id	sid	tid	token	lemma	pos
ap-2216	1	1	acta	acta	PROPN
ap-2216	1	2	polytechnica	polytechnica	PROPN
ap-2216	1	3	doi:10.14311	doi:10.14311	PROPN
ap-2216	1	4	/	/	SYM
ap-2216	1	5	ap.2014.54.0275	ap.2014.54.0275	PROPN
ap-2216	1	6	acta	acta	PROPN
ap-2216	1	7	polytechnica	polytechnica	PROPN
ap-2216	1	8	54(4):275–280	54(4):275–280	PROPN
ap-2216	1	9	,	,	PUNCT
ap-2216	1	10	2014	2014	NUM
ap-2216	1	11	©	©	PROPN
ap-2216	1	12	czech	czech	PROPN
ap-2216	1	13	technical	technical	PROPN
ap-2216	1	14	university	university	PROPN
ap-2216	1	15	in	in	ADP
ap-2216	1	16	prague	prague	PROPN
ap-2216	1	17	,	,	PUNCT
ap-2216	1	18	2014	2014	NUM
ap-2216	1	19	available	available	ADJ
ap-2216	1	20	online	online	ADV
ap-2216	1	21	at	at	ADP
ap-2216	1	22	http://ojs.cvut.cz/ojs/index.php/ap	http://ojs.cvut.cz/ojs/index.php/ap	PROPN
ap-2216	1	23	using	use	VERB
ap-2216	1	24	photoplethysmography	photoplethysmography	NOUN
ap-2216	1	25	imaging	imaging	NOUN
ap-2216	1	26	for	for	ADP
ap-2216	1	27	objective	objective	ADJ
ap-2216	1	28	contactless	contactless	NOUN
ap-2216	1	29	pain	pain	NOUN
ap-2216	1	30	assessment	assessment	NOUN
ap-2216	1	31	marcus	marcus	PROPN
ap-2216	1	32	koenya,∗	koenya,∗	PROPN
ap-2216	1	33	,	,	PUNCT
ap-2216	1	34	nikolai	nikolai	NOUN
ap-2216	1	35	blanika	blanika	NOUN
ap-2216	1	36	,	,	PUNCT
ap-2216	1	37	xinchi	xinchi	PROPN
ap-2216	1	38	yua	yua	PROPN
ap-2216	1	39	,	,	PUNCT
ap-2216	1	40	michael	michael	PROPN
ap-2216	1	41	czaplikb	czaplikb	PROPN
ap-2216	1	42	,	,	PUNCT
ap-2216	1	43	marian	marian	PROPN
ap-2216	1	44	waltera	waltera	PROPN
ap-2216	1	45	,	,	PUNCT
ap-2216	1	46	rolf	rolf	NOUN
ap-2216	1	47	rossaintb	rossaintb	PROPN
ap-2216	1	48	,	,	PUNCT
ap-2216	1	49	vladimir	vladimir	NOUN
ap-2216	1	50	blazeka	blazeka	PROPN
ap-2216	1	51	,	,	PUNCT
ap-2216	1	52	steffen	steffen	PROPN
ap-2216	1	53	leonhardta	leonhardta	PROPN
ap-2216	1	54	a	a	DET
ap-2216	1	55	chair	chair	NOUN
ap-2216	1	56	for	for	ADP
ap-2216	1	57	medical	medical	ADJ
ap-2216	1	58	information	information	NOUN
ap-2216	1	59	technology	technology	NOUN
ap-2216	1	60	,	,	PUNCT
ap-2216	1	61	helmholtz	helmholtz	NOUN
ap-2216	1	62	-	-	PUNCT
ap-2216	1	63	institute	institute	NOUN
ap-2216	1	64	,	,	PUNCT
ap-2216	1	65	rwth	rwth	PROPN
ap-2216	1	66	aachen	aachen	PROPN
ap-2216	1	67	university	university	PROPN
ap-2216	1	68	,	,	PUNCT
ap-2216	1	69	pauwelsstrasse	pauwelsstrasse	NOUN
ap-2216	1	70	20	20	NUM
ap-2216	1	71	,	,	PUNCT
ap-2216	1	72	52074	52074	NUM
ap-2216	1	73	aachen	aachen	PROPN
ap-2216	1	74	,	,	PUNCT
ap-2216	1	75	germany	germany	PROPN
ap-2216	1	76	b	b	PROPN
ap-2216	1	77	department	department	PROPN
ap-2216	1	78	of	of	ADP
ap-2216	1	79	anesthesiology	anesthesiology	NOUN
ap-2216	1	80	,	,	PUNCT
ap-2216	1	81	university	university	NOUN
ap-2216	1	82	hospital	hospital	NOUN
ap-2216	1	83	aachen	aachen	PROPN
ap-2216	1	84	,	,	PUNCT
ap-2216	1	85	pauwelsstrasse	pauwelsstrasse	NOUN
ap-2216	1	86	30	30	NUM
ap-2216	1	87	,	,	PUNCT
ap-2216	1	88	52074	52074	NUM
ap-2216	1	89	aachen	aachen	PROPN
ap-2216	1	90	,	,	PUNCT
ap-2216	1	91	germany	germany	PROPN
ap-2216	1	92	∗	∗	NOUN
ap-2216	1	93	corresponding	correspond	VERB
ap-2216	1	94	author	author	NOUN
ap-2216	1	95	:	:	PUNCT
ap-2216	1	96	koeny@hia.rwth-aachen.de	koeny@hia.rwth-aachen.de	PROPN
ap-2216	1	97	abstract	abstract	NOUN
ap-2216	1	98	.	.	PUNCT
ap-2216	2	1	this	this	DET
ap-2216	2	2	work	work	NOUN
ap-2216	2	3	presents	present	VERB
ap-2216	2	4	an	an	DET
ap-2216	2	5	extension	extension	NOUN
ap-2216	2	6	to	to	ADP
ap-2216	2	7	the	the	DET
ap-2216	2	8	known	know	VERB
ap-2216	2	9	analgesia	analgesia	NOUN
ap-2216	2	10	nociception	nociception	NOUN
ap-2216	2	11	index	index	NOUN
ap-2216	2	12	(	(	PUNCT
ap-2216	2	13	ani	ani	NOUN
ap-2216	2	14	)	)	PUNCT
ap-2216	2	15	,	,	PUNCT
ap-2216	2	16	which	which	PRON
ap-2216	2	17	provides	provide	VERB
ap-2216	2	18	an	an	DET
ap-2216	2	19	objective	objective	ADJ
ap-2216	2	20	estimation	estimation	NOUN
ap-2216	2	21	of	of	ADP
ap-2216	2	22	the	the	DET
ap-2216	2	23	current	current	ADJ
ap-2216	2	24	depth	depth	NOUN
ap-2216	2	25	of	of	ADP
ap-2216	2	26	analgesia	analgesia	NOUN
ap-2216	2	27	.	.	PUNCT
ap-2216	3	1	an	an	DET
ap-2216	3	2	adequate	adequate	ADJ
ap-2216	3	3	“	"	PUNCT
ap-2216	3	4	measure	measure	NOUN
ap-2216	3	5	”	"	PUNCT
ap-2216	3	6	would	would	AUX
ap-2216	3	7	facilitate	facilitate	VERB
ap-2216	3	8	so	so	ADV
ap-2216	3	9	-	-	PUNCT
ap-2216	3	10	called	call	VERB
ap-2216	3	11	balanced	balanced	ADJ
ap-2216	3	12	anesthesia	anesthesia	NOUN
ap-2216	3	13	.	.	PUNCT
ap-2216	4	1	generally	generally	ADV
ap-2216	4	2	,	,	PUNCT
ap-2216	4	3	ani	ani	X
ap-2216	4	4	is	be	AUX
ap-2216	4	5	computed	compute	VERB
ap-2216	4	6	using	use	VERB
ap-2216	4	7	heart	heart	NOUN
ap-2216	4	8	rate	rate	NOUN
ap-2216	4	9	variability	variability	NOUN
ap-2216	4	10	or	or	CCONJ
ap-2216	4	11	rather	rather	ADV
ap-2216	4	12	beat	beat	VERB
ap-2216	4	13	-	-	PUNCT
ap-2216	4	14	to	to	ADP
ap-2216	4	15	-	-	PUNCT
ap-2216	4	16	beat	beat	VERB
ap-2216	4	17	intervals	interval	NOUN
ap-2216	4	18	based	base	VERB
ap-2216	4	19	on	on	ADP
ap-2216	4	20	an	an	DET
ap-2216	4	21	electrocardiogram	electrocardiogram	NOUN
ap-2216	4	22	(	(	PUNCT
ap-2216	4	23	ecg	ecg	PROPN
ap-2216	4	24	)	)	PUNCT
ap-2216	4	25	.	.	PUNCT
ap-2216	5	1	there	there	PRON
ap-2216	5	2	are	be	VERB
ap-2216	5	3	clinical	clinical	ADJ
ap-2216	5	4	situations	situation	NOUN
ap-2216	5	5	where	where	SCONJ
ap-2216	5	6	no	no	DET
ap-2216	5	7	ecg	ecg	PROPN
ap-2216	5	8	monitoring	monitoring	NOUN
ap-2216	5	9	is	be	AUX
ap-2216	5	10	available	available	ADJ
ap-2216	5	11	or	or	CCONJ
ap-2216	5	12	required	require	VERB
ap-2216	5	13	,	,	PUNCT
ap-2216	5	14	but	but	CCONJ
ap-2216	5	15	only	only	ADV
ap-2216	5	16	photoplethysmography	photoplethysmography	NOUN
ap-2216	5	17	(	(	PUNCT
ap-2216	5	18	ppg	ppg	PROPN
ap-2216	5	19	)	)	PUNCT
ap-2216	5	20	,	,	PUNCT
ap-2216	5	21	e.g.	e.g.	ADV
ap-2216	5	22	,	,	PUNCT
ap-2216	5	23	in	in	ADP
ap-2216	5	24	some	some	DET
ap-2216	5	25	cases	case	NOUN
ap-2216	5	26	in	in	ADP
ap-2216	5	27	postoperative	postoperative	ADJ
ap-2216	5	28	care	care	NOUN
ap-2216	5	29	or	or	CCONJ
ap-2216	5	30	pain	pain	NOUN
ap-2216	5	31	therapy	therapy	NOUN
ap-2216	5	32	.	.	PUNCT
ap-2216	6	1	in	in	ADP
ap-2216	6	2	addition	addition	NOUN
ap-2216	6	3	,	,	PUNCT
ap-2216	6	4	a	a	DET
ap-2216	6	5	combination	combination	NOUN
ap-2216	6	6	of	of	ADP
ap-2216	6	7	ppg	ppg	NOUN
ap-2216	6	8	and	and	CCONJ
ap-2216	6	9	ecg	ecg	PROPN
ap-2216	6	10	for	for	ADP
ap-2216	6	11	obtaining	obtain	VERB
ap-2216	6	12	beat	beat	NOUN
ap-2216	6	13	-	-	PUNCT
ap-2216	6	14	to	to	ADP
ap-2216	6	15	-	-	PUNCT
ap-2216	6	16	beat	beat	VERB
ap-2216	6	17	intervals	interval	NOUN
ap-2216	6	18	may	may	AUX
ap-2216	6	19	lead	lead	VERB
ap-2216	6	20	to	to	ADP
ap-2216	6	21	increased	increase	VERB
ap-2216	6	22	robustness	robustness	NOUN
ap-2216	6	23	and	and	CCONJ
ap-2216	6	24	reliability	reliability	NOUN
ap-2216	6	25	for	for	ADP
ap-2216	6	26	dealing	deal	VERB
ap-2216	6	27	with	with	ADP
ap-2216	6	28	artifacts	artifact	NOUN
ap-2216	6	29	.	.	PUNCT
ap-2216	7	1	this	this	DET
ap-2216	7	2	work	work	NOUN
ap-2216	7	3	therefore	therefore	ADV
ap-2216	7	4	investigates	investigate	VERB
ap-2216	7	5	the	the	DET
ap-2216	7	6	computation	computation	NOUN
ap-2216	7	7	of	of	ADP
ap-2216	7	8	ani	ani	NOUN
ap-2216	7	9	using	use	VERB
ap-2216	7	10	standard	standard	ADJ
ap-2216	7	11	ppg	ppg	NOUN
ap-2216	7	12	.	.	PUNCT
ap-2216	8	1	in	in	ADP
ap-2216	8	2	addition	addition	NOUN
ap-2216	8	3	,	,	PUNCT
ap-2216	8	4	new	new	ADJ
ap-2216	8	5	methods	method	NOUN
ap-2216	8	6	and	and	CCONJ
ap-2216	8	7	opportunities	opportunity	NOUN
ap-2216	8	8	are	be	AUX
ap-2216	8	9	presented	present	VERB
ap-2216	8	10	using	use	VERB
ap-2216	8	11	contactless	contactless	NOUN
ap-2216	8	12	ppg	ppg	NOUN
ap-2216	8	13	imaging	imaging	NOUN
ap-2216	8	14	(	(	PUNCT
ap-2216	8	15	ppgi	ppgi	NOUN
ap-2216	8	16	)	)	PUNCT
ap-2216	8	17	.	.	PUNCT
ap-2216	9	1	ppgi	ppgi	NOUN
ap-2216	9	2	®	®	NOUN
ap-2216	9	3	enables	enable	VERB
ap-2216	9	4	contactless	contactless	ADJ
ap-2216	9	5	ppg	ppg	NOUN
ap-2216	9	6	recordings	recording	NOUN
ap-2216	9	7	for	for	ADP
ap-2216	9	8	deriving	derive	VERB
ap-2216	9	9	beat	beat	NOUN
ap-2216	9	10	-	-	PUNCT
ap-2216	9	11	to	to	ADP
ap-2216	9	12	-	-	PUNCT
ap-2216	9	13	beat	beat	VERB
ap-2216	9	14	intervals	interval	NOUN
ap-2216	9	15	as	as	ADV
ap-2216	9	16	well	well	ADV
ap-2216	9	17	as	as	ADP
ap-2216	9	18	analysis	analysis	NOUN
ap-2216	9	19	of	of	ADP
ap-2216	9	20	local	local	ADJ
ap-2216	9	21	perfusion	perfusion	NOUN
ap-2216	9	22	and	and	CCONJ
ap-2216	9	23	wounds	wound	NOUN
ap-2216	9	24	.	.	PUNCT
ap-2216	10	1	keywords	keyword	NOUN
ap-2216	10	2	:	:	PUNCT
ap-2216	10	3	anesthesiology	anesthesiology	NOUN
ap-2216	10	4	,	,	PUNCT
ap-2216	10	5	analgesia	analgesia	NOUN
ap-2216	10	6	,	,	PUNCT
ap-2216	10	7	nociception	nociception	NOUN
ap-2216	10	8	,	,	PUNCT
ap-2216	10	9	pain	pain	NOUN
ap-2216	10	10	,	,	PUNCT
ap-2216	10	11	heart	heart	NOUN
ap-2216	10	12	rate	rate	NOUN
ap-2216	10	13	variability	variability	NOUN
ap-2216	10	14	,	,	PUNCT
ap-2216	10	15	ecg	ecg	PROPN
ap-2216	10	16	,	,	PUNCT
ap-2216	10	17	ppg	ppg	INTJ
ap-2216	10	18	,	,	PUNCT
ap-2216	10	19	image	image	NOUN
ap-2216	10	20	based	base	VERB
ap-2216	10	21	ppg	ppg	NOUN
ap-2216	10	22	,	,	PUNCT
ap-2216	10	23	ppgi	ppgi	NOUN
ap-2216	10	24	.	.	PUNCT
ap-2216	11	1	1	1	X
ap-2216	11	2	.	.	X
ap-2216	11	3	introduction	introduction	NOUN
ap-2216	11	4	this	this	DET
ap-2216	11	5	work	work	NOUN
ap-2216	11	6	discusses	discuss	VERB
ap-2216	11	7	an	an	DET
ap-2216	11	8	extension	extension	NOUN
ap-2216	11	9	to	to	ADP
ap-2216	11	10	the	the	DET
ap-2216	11	11	photoplethysmogram	photoplethysmogram	PROPN
ap-2216	11	12	(	(	PUNCT
ap-2216	11	13	ppg	ppg	PROPN
ap-2216	11	14	)	)	PUNCT
ap-2216	12	1	[	[	X
ap-2216	12	2	1	1	X
ap-2216	12	3	]	]	PUNCT
ap-2216	12	4	based	base	VERB
ap-2216	12	5	analgesia	analgesia	PROPN
ap-2216	12	6	nociception	nociception	NOUN
ap-2216	12	7	index	index	NOUN
ap-2216	12	8	(	(	PUNCT
ap-2216	12	9	ani	ani	NOUN
ap-2216	12	10	)	)	PUNCT
ap-2216	12	11	for	for	ADP
ap-2216	12	12	image	image	NOUN
ap-2216	12	13	based	base	VERB
ap-2216	12	14	ppg	ppg	NOUN
ap-2216	12	15	(	(	PUNCT
ap-2216	12	16	ppgi	ppgi	NOUN
ap-2216	12	17	®	®	NOUN
ap-2216	12	18	)	)	PUNCT
ap-2216	12	19	.	.	PUNCT
ap-2216	13	1	one	one	NUM
ap-2216	13	2	of	of	ADP
ap-2216	13	3	the	the	DET
ap-2216	13	4	major	major	ADJ
ap-2216	13	5	tasks	task	NOUN
ap-2216	13	6	of	of	ADP
ap-2216	13	7	the	the	DET
ap-2216	13	8	anesthesiologist	anesthesiologist	NOUN
ap-2216	13	9	during	during	ADP
ap-2216	13	10	surgical	surgical	ADJ
ap-2216	13	11	interventions	intervention	NOUN
ap-2216	13	12	is	be	AUX
ap-2216	13	13	to	to	PART
ap-2216	13	14	maintain	maintain	VERB
ap-2216	13	15	adequate	adequate	ADJ
ap-2216	13	16	narcosis	narcosis	NOUN
ap-2216	13	17	.	.	PUNCT
ap-2216	14	1	the	the	DET
ap-2216	14	2	dosage	dosage	NOUN
ap-2216	14	3	of	of	ADP
ap-2216	14	4	drugs	drug	NOUN
ap-2216	14	5	leading	lead	VERB
ap-2216	14	6	to	to	ADP
ap-2216	14	7	suppression	suppression	NOUN
ap-2216	14	8	of	of	ADP
ap-2216	14	9	the	the	DET
ap-2216	14	10	patient	patient	NOUN
ap-2216	14	11	’s	’s	PART
ap-2216	14	12	consciousness	consciousness	NOUN
ap-2216	14	13	and	and	CCONJ
ap-2216	14	14	the	the	DET
ap-2216	14	15	sensation	sensation	NOUN
ap-2216	14	16	of	of	ADP
ap-2216	14	17	pain	pain	NOUN
ap-2216	14	18	must	must	AUX
ap-2216	14	19	be	be	AUX
ap-2216	14	20	adapted	adapt	VERB
ap-2216	14	21	to	to	ADP
ap-2216	14	22	the	the	DET
ap-2216	14	23	current	current	ADJ
ap-2216	14	24	surgical	surgical	ADJ
ap-2216	14	25	progress	progress	NOUN
ap-2216	14	26	,	,	PUNCT
ap-2216	14	27	and	and	CCONJ
ap-2216	14	28	also	also	ADV
ap-2216	14	29	individually	individually	ADV
ap-2216	14	30	for	for	ADP
ap-2216	14	31	each	each	DET
ap-2216	14	32	patient	patient	NOUN
ap-2216	14	33	with	with	ADP
ap-2216	14	34	regard	regard	NOUN
ap-2216	14	35	to	to	ADP
ap-2216	14	36	his	his	PRON
ap-2216	14	37	premedical	premedical	ADJ
ap-2216	14	38	history	history	NOUN
ap-2216	14	39	and	and	CCONJ
ap-2216	14	40	current	current	ADJ
ap-2216	14	41	health	health	NOUN
ap-2216	14	42	state	state	NOUN
ap-2216	14	43	.	.	PUNCT
ap-2216	15	1	some	some	DET
ap-2216	15	2	events	event	NOUN
ap-2216	15	3	,	,	PUNCT
ap-2216	15	4	e.g.	e.g.	ADV
ap-2216	15	5	,	,	PUNCT
ap-2216	15	6	skin	skin	NOUN
ap-2216	15	7	incisions	incision	NOUN
ap-2216	15	8	,	,	PUNCT
ap-2216	15	9	require	require	VERB
ap-2216	15	10	deeper	deep	ADJ
ap-2216	15	11	analgesia	analgesia	NOUN
ap-2216	15	12	.	.	PUNCT
ap-2216	16	1	increases	increase	NOUN
ap-2216	16	2	of	of	ADP
ap-2216	16	3	blood	blood	NOUN
ap-2216	16	4	pressure	pressure	NOUN
ap-2216	16	5	and/or	and/or	CCONJ
ap-2216	16	6	heart	heart	NOUN
ap-2216	16	7	rate	rate	NOUN
ap-2216	16	8	can	can	AUX
ap-2216	16	9	indicate	indicate	VERB
ap-2216	16	10	inadequate	inadequate	ADJ
ap-2216	16	11	narcosis	narcosis	NOUN
ap-2216	16	12	.	.	PUNCT
ap-2216	17	1	however	however	ADV
ap-2216	17	2	,	,	PUNCT
ap-2216	17	3	it	it	PRON
ap-2216	17	4	is	be	AUX
ap-2216	17	5	often	often	ADV
ap-2216	17	6	particularly	particularly	ADV
ap-2216	17	7	challenging	challenging	ADJ
ap-2216	17	8	to	to	PART
ap-2216	17	9	discriminate	discriminate	VERB
ap-2216	17	10	pain	pain	NOUN
ap-2216	17	11	from	from	ADP
ap-2216	17	12	insufficient	insufficient	ADJ
ap-2216	17	13	sedation	sedation	NOUN
ap-2216	17	14	.	.	PUNCT
ap-2216	18	1	an	an	DET
ap-2216	18	2	adequate	adequate	ADJ
ap-2216	18	3	assessment	assessment	NOUN
ap-2216	18	4	of	of	ADP
ap-2216	18	5	the	the	DET
ap-2216	18	6	depth	depth	NOUN
ap-2216	18	7	of	of	ADP
ap-2216	18	8	analgesia	analgesia	NOUN
ap-2216	18	9	would	would	AUX
ap-2216	18	10	support	support	VERB
ap-2216	18	11	the	the	DET
ap-2216	18	12	anesthesiologist	anesthesiologist	NOUN
ap-2216	18	13	in	in	ADP
ap-2216	18	14	balancing	balance	VERB
ap-2216	18	15	the	the	DET
ap-2216	18	16	narcosis	narcosis	NOUN
ap-2216	18	17	properly	properly	ADV
ap-2216	18	18	.	.	PUNCT
ap-2216	19	1	unfortunately	unfortunately	ADV
ap-2216	19	2	,	,	PUNCT
ap-2216	19	3	a	a	DET
ap-2216	19	4	reliable	reliable	ADJ
ap-2216	19	5	objective	objective	ADJ
ap-2216	19	6	measurement	measurement	NOUN
ap-2216	19	7	of	of	ADP
ap-2216	19	8	pain	pain	NOUN
ap-2216	19	9	intensity	intensity	NOUN
ap-2216	19	10	is	be	AUX
ap-2216	19	11	not	not	PART
ap-2216	19	12	yet	yet	ADV
ap-2216	19	13	available	available	ADJ
ap-2216	19	14	,	,	PUNCT
ap-2216	19	15	since	since	SCONJ
ap-2216	19	16	pain	pain	NOUN
ap-2216	19	17	is	be	AUX
ap-2216	19	18	an	an	DET
ap-2216	19	19	individual	individual	ADJ
ap-2216	19	20	sensation	sensation	NOUN
ap-2216	19	21	leading	lead	VERB
ap-2216	19	22	to	to	ADP
ap-2216	19	23	large	large	ADJ
ap-2216	19	24	inter	inter	ADJ
ap-2216	19	25	-	-	ADJ
ap-2216	19	26	patient	patient	ADJ
ap-2216	19	27	variability	variability	NOUN
ap-2216	19	28	.	.	PUNCT
ap-2216	20	1	awake	awake	ADJ
ap-2216	20	2	patients	patient	NOUN
ap-2216	20	3	are	be	AUX
ap-2216	20	4	usually	usually	ADV
ap-2216	20	5	asked	ask	VERB
ap-2216	20	6	to	to	PART
ap-2216	20	7	estimate	estimate	VERB
ap-2216	20	8	their	their	PRON
ap-2216	20	9	pain	pain	NOUN
ap-2216	20	10	intensity	intensity	NOUN
ap-2216	20	11	on	on	ADP
ap-2216	20	12	a	a	DET
ap-2216	20	13	given	give	VERB
ap-2216	20	14	scale	scale	NOUN
ap-2216	20	15	(	(	PUNCT
ap-2216	20	16	e.g.	e.g.	ADV
ap-2216	20	17	,	,	PUNCT
ap-2216	20	18	from	from	ADP
ap-2216	20	19	1	1	NUM
ap-2216	20	20	to	to	ADP
ap-2216	20	21	10	10	NUM
ap-2216	20	22	)	)	PUNCT
ap-2216	20	23	,	,	PUNCT
ap-2216	20	24	using	use	VERB
ap-2216	20	25	e.g.	e.g.	ADV
ap-2216	20	26	,	,	PUNCT
ap-2216	20	27	the	the	DET
ap-2216	20	28	visual	visual	ADJ
ap-2216	20	29	analogue	analogue	NOUN
ap-2216	20	30	scale	scale	NOUN
ap-2216	20	31	(	(	PUNCT
ap-2216	20	32	vas	vas	X
ap-2216	20	33	)	)	PUNCT
ap-2216	21	1	[	[	X
ap-2216	21	2	2	2	NUM
ap-2216	21	3	]	]	PUNCT
ap-2216	21	4	.	.	PUNCT
ap-2216	22	1	however	however	ADV
ap-2216	22	2	,	,	PUNCT
ap-2216	22	3	this	this	DET
ap-2216	22	4	procedure	procedure	NOUN
ap-2216	22	5	is	be	AUX
ap-2216	22	6	not	not	PART
ap-2216	22	7	feasible	feasible	ADJ
ap-2216	22	8	with	with	ADP
ap-2216	22	9	unconscious	unconscious	ADJ
ap-2216	22	10	or	or	CCONJ
ap-2216	22	11	uncooperative	uncooperative	ADJ
ap-2216	22	12	patients	patient	NOUN
ap-2216	22	13	.	.	PUNCT
ap-2216	23	1	several	several	ADJ
ap-2216	23	2	new	new	ADJ
ap-2216	23	3	methods	method	NOUN
ap-2216	23	4	are	be	AUX
ap-2216	23	5	currently	currently	ADV
ap-2216	23	6	under	under	ADP
ap-2216	23	7	investigation	investigation	NOUN
ap-2216	23	8	which	which	PRON
ap-2216	23	9	aim	aim	VERB
ap-2216	23	10	to	to	PART
ap-2216	23	11	quantify	quantify	VERB
ap-2216	23	12	the	the	DET
ap-2216	23	13	depth	depth	NOUN
ap-2216	23	14	of	of	ADP
ap-2216	23	15	analgesia	analgesia	NOUN
ap-2216	23	16	.	.	PUNCT
ap-2216	24	1	one	one	NUM
ap-2216	24	2	is	be	AUX
ap-2216	24	3	the	the	DET
ap-2216	24	4	surgical	surgical	ADJ
ap-2216	24	5	stress	stress	NOUN
ap-2216	24	6	index	index	NOUN
ap-2216	24	7	(	(	PUNCT
ap-2216	24	8	ssi	ssi	PROPN
ap-2216	24	9	)	)	PUNCT
ap-2216	24	10	which	which	PRON
ap-2216	24	11	has	have	AUX
ap-2216	24	12	been	be	AUX
ap-2216	24	13	especially	especially	ADV
ap-2216	24	14	developed	develop	VERB
ap-2216	24	15	for	for	ADP
ap-2216	24	16	analgesia	analgesia	NOUN
ap-2216	24	17	monitoring	monitoring	NOUN
ap-2216	24	18	during	during	ADP
ap-2216	24	19	surgical	surgical	ADJ
ap-2216	24	20	interventions	intervention	NOUN
ap-2216	24	21	,	,	PUNCT
ap-2216	24	22	and	and	CCONJ
ap-2216	24	23	is	be	AUX
ap-2216	24	24	based	base	VERB
ap-2216	24	25	on	on	ADP
ap-2216	24	26	an	an	DET
ap-2216	24	27	analysis	analysis	NOUN
ap-2216	24	28	of	of	ADP
ap-2216	24	29	the	the	DET
ap-2216	24	30	ppg	ppg	NOUN
ap-2216	24	31	measured	measure	VERB
ap-2216	24	32	by	by	ADP
ap-2216	24	33	a	a	DET
ap-2216	24	34	finger	finger	NOUN
ap-2216	24	35	clip	clip	NOUN
ap-2216	25	1	[	[	X
ap-2216	25	2	3	3	NUM
ap-2216	25	3	]	]	PUNCT
ap-2216	25	4	.	.	PUNCT
ap-2216	26	1	ssi	ssi	PROPN
ap-2216	26	2	is	be	AUX
ap-2216	26	3	currently	currently	ADV
ap-2216	26	4	available	available	ADJ
ap-2216	26	5	as	as	ADP
ap-2216	26	6	an	an	DET
ap-2216	26	7	extension	extension	NOUN
ap-2216	26	8	module	module	NOUN
ap-2216	26	9	for	for	ADP
ap-2216	26	10	ge	ge	PROPN
ap-2216	26	11	healthcare	healthcare	PROPN
ap-2216	26	12	monitors	monitor	NOUN
ap-2216	26	13	to	to	PART
ap-2216	26	14	assess	assess	VERB
ap-2216	26	15	the	the	DET
ap-2216	26	16	analgesia	analgesia	NOUN
ap-2216	26	17	or	or	CCONJ
ap-2216	26	18	the	the	DET
ap-2216	26	19	stress	stress	NOUN
ap-2216	26	20	level	level	NOUN
ap-2216	26	21	during	during	ADP
ap-2216	26	22	surgical	surgical	ADJ
ap-2216	26	23	interventions	intervention	NOUN
ap-2216	26	24	.	.	PUNCT
ap-2216	27	1	another	another	DET
ap-2216	27	2	method	method	NOUN
ap-2216	27	3	is	be	AUX
ap-2216	27	4	based	base	VERB
ap-2216	27	5	on	on	ADP
ap-2216	27	6	skin	skin	NOUN
ap-2216	27	7	conductance	conductance	NOUN
ap-2216	27	8	measurements	measurement	NOUN
ap-2216	27	9	[	[	X
ap-2216	27	10	4	4	NUM
ap-2216	27	11	]	]	PUNCT
ap-2216	27	12	.	.	PUNCT
ap-2216	28	1	the	the	DET
ap-2216	28	2	number	number	NOUN
ap-2216	28	3	of	of	ADP
ap-2216	28	4	fluctuations	fluctuation	NOUN
ap-2216	28	5	of	of	ADP
ap-2216	28	6	the	the	DET
ap-2216	28	7	skin	skin	NOUN
ap-2216	28	8	conductance	conductance	NOUN
ap-2216	28	9	(	(	PUNCT
ap-2216	28	10	nfsc	nfsc	X
ap-2216	28	11	)	)	PUNCT
ap-2216	28	12	is	be	AUX
ap-2216	28	13	associated	associate	VERB
ap-2216	28	14	with	with	ADP
ap-2216	28	15	the	the	DET
ap-2216	28	16	patient	patient	NOUN
ap-2216	28	17	’s	’s	PART
ap-2216	28	18	pain	pain	NOUN
ap-2216	28	19	sensation	sensation	NOUN
ap-2216	28	20	.	.	PUNCT
ap-2216	29	1	analyses	analysis	NOUN
ap-2216	29	2	of	of	ADP
ap-2216	29	3	skin	skin	NOUN
ap-2216	29	4	conductance	conductance	NOUN
ap-2216	29	5	are	be	AUX
ap-2216	29	6	mostly	mostly	ADV
ap-2216	29	7	used	use	VERB
ap-2216	29	8	in	in	ADP
ap-2216	29	9	postoperative	postoperative	ADJ
ap-2216	29	10	clinical	clinical	ADJ
ap-2216	29	11	trials	trial	NOUN
ap-2216	29	12	under	under	ADP
ap-2216	29	13	various	various	ADJ
ap-2216	29	14	circumstances	circumstance	NOUN
ap-2216	29	15	[	[	X
ap-2216	29	16	5	5	NUM
ap-2216	29	17	,	,	PUNCT
ap-2216	29	18	6	6	NUM
ap-2216	29	19	]	]	PUNCT
ap-2216	29	20	.	.	PUNCT
ap-2216	30	1	a	a	DET
ap-2216	30	2	promising	promising	ADJ
ap-2216	30	3	new	new	ADJ
ap-2216	30	4	method	method	NOUN
ap-2216	30	5	is	be	AUX
ap-2216	30	6	ani	ani	ADP
ap-2216	30	7	.	.	PUNCT
ap-2216	31	1	the	the	DET
ap-2216	31	2	ani	ani	NOUN
ap-2216	31	3	index	index	NOUN
ap-2216	31	4	is	be	AUX
ap-2216	31	5	based	base	VERB
ap-2216	31	6	on	on	ADP
ap-2216	31	7	an	an	DET
ap-2216	31	8	analysis	analysis	NOUN
ap-2216	31	9	of	of	ADP
ap-2216	31	10	the	the	DET
ap-2216	31	11	ecg	ecg	PROPN
ap-2216	31	12	signal	signal	NOUN
ap-2216	31	13	[	[	X
ap-2216	31	14	7	7	NUM
ap-2216	31	15	]	]	PUNCT
ap-2216	31	16	,	,	PUNCT
ap-2216	31	17	especially	especially	ADV
ap-2216	31	18	an	an	DET
ap-2216	31	19	analysis	analysis	NOUN
ap-2216	31	20	of	of	ADP
ap-2216	31	21	heart	heart	NOUN
ap-2216	31	22	rate	rate	NOUN
ap-2216	31	23	variability	variability	NOUN
ap-2216	31	24	(	(	PUNCT
ap-2216	31	25	hrv	hrv	NOUN
ap-2216	31	26	)	)	PUNCT
ap-2216	31	27	or	or	CCONJ
ap-2216	31	28	the	the	DET
ap-2216	31	29	beatto	beatto	NOUN
ap-2216	31	30	-	-	PUNCT
ap-2216	31	31	beat	beat	NOUN
ap-2216	31	32	interval	interval	NOUN
ap-2216	31	33	[	[	X
ap-2216	31	34	8	8	NUM
ap-2216	31	35	]	]	PUNCT
ap-2216	31	36	.	.	PUNCT
ap-2216	32	1	1.1	1.1	NUM
ap-2216	32	2	.	.	PUNCT
ap-2216	33	1	heart	heart	NOUN
ap-2216	33	2	rate	rate	NOUN
ap-2216	33	3	variability	variability	NOUN
ap-2216	33	4	heart	heart	NOUN
ap-2216	33	5	frequency	frequency	NOUN
ap-2216	33	6	is	be	AUX
ap-2216	33	7	related	relate	VERB
ap-2216	33	8	to	to	ADP
ap-2216	33	9	the	the	DET
ap-2216	33	10	activity	activity	NOUN
ap-2216	33	11	of	of	ADP
ap-2216	33	12	the	the	DET
ap-2216	33	13	sympathetic	sympathetic	ADJ
ap-2216	33	14	and	and	CCONJ
ap-2216	33	15	parasympathetic	parasympathetic	ADJ
ap-2216	33	16	nervous	nervous	ADJ
ap-2216	33	17	system	system	NOUN
ap-2216	33	18	.	.	PUNCT
ap-2216	34	1	variations	variation	NOUN
ap-2216	34	2	of	of	ADP
ap-2216	34	3	frequency	frequency	NOUN
ap-2216	34	4	are	be	AUX
ap-2216	34	5	affected	affect	VERB
ap-2216	34	6	by	by	ADP
ap-2216	34	7	the	the	DET
ap-2216	34	8	autonomous	autonomous	ADJ
ap-2216	34	9	nervous	nervous	ADJ
ap-2216	34	10	system	system	NOUN
ap-2216	34	11	(	(	PUNCT
ap-2216	34	12	ans	an	NOUN
ap-2216	34	13	)	)	PUNCT
ap-2216	34	14	which	which	PRON
ap-2216	34	15	,	,	PUNCT
ap-2216	34	16	for	for	ADP
ap-2216	34	17	example	example	NOUN
ap-2216	34	18	,	,	PUNCT
ap-2216	34	19	reacts	react	VERB
ap-2216	34	20	to	to	ADP
ap-2216	34	21	external	external	ADJ
ap-2216	34	22	influences	influence	NOUN
ap-2216	34	23	,	,	PUNCT
ap-2216	34	24	such	such	ADJ
ap-2216	34	25	as	as	ADP
ap-2216	34	26	stress	stress	NOUN
ap-2216	34	27	or	or	CCONJ
ap-2216	34	28	pain	pain	NOUN
ap-2216	34	29	.	.	PUNCT
ap-2216	35	1	since	since	SCONJ
ap-2216	35	2	the	the	DET
ap-2216	35	3	patient	patient	NOUN
ap-2216	35	4	is	be	AUX
ap-2216	35	5	unconscious	unconscious	ADJ
ap-2216	35	6	during	during	ADP
ap-2216	35	7	surgical	surgical	ADJ
ap-2216	35	8	interventions	intervention	NOUN
ap-2216	35	9	,	,	PUNCT
ap-2216	35	10	it	it	PRON
ap-2216	35	11	can	can	AUX
ap-2216	35	12	be	be	AUX
ap-2216	35	13	assumed	assume	VERB
ap-2216	35	14	that	that	SCONJ
ap-2216	35	15	in	in	ADP
ap-2216	35	16	this	this	DET
ap-2216	35	17	situation	situation	NOUN
ap-2216	35	18	,	,	PUNCT
ap-2216	35	19	pain	pain	NOUN
ap-2216	35	20	is	be	AUX
ap-2216	35	21	the	the	DET
ap-2216	35	22	most	most	ADV
ap-2216	35	23	significant	significant	ADJ
ap-2216	35	24	stress	stress	NOUN
ap-2216	35	25	factor	factor	NOUN
ap-2216	35	26	.	.	PUNCT
ap-2216	36	1	in	in	ADP
ap-2216	36	2	studies	study	NOUN
ap-2216	36	3	,	,	PUNCT
ap-2216	36	4	a	a	DET
ap-2216	36	5	relatively	relatively	ADV
ap-2216	36	6	high	high	ADJ
ap-2216	36	7	correlation	correlation	NOUN
ap-2216	36	8	between	between	ADP
ap-2216	36	9	analgesic	analgesic	ADJ
ap-2216	36	10	drugs	drug	NOUN
ap-2216	36	11	and	and	CCONJ
ap-2216	36	12	hrv	hrv	NOUN
ap-2216	36	13	has	have	AUX
ap-2216	36	14	been	be	AUX
ap-2216	36	15	confirmed	confirm	VERB
ap-2216	36	16	[	[	X
ap-2216	36	17	7	7	NUM
ap-2216	36	18	]	]	PUNCT
ap-2216	36	19	.	.	PUNCT
ap-2216	37	1	the	the	DET
ap-2216	37	2	spectrum	spectrum	NOUN
ap-2216	37	3	of	of	ADP
ap-2216	37	4	the	the	DET
ap-2216	37	5	hrv	hrv	NOUN
ap-2216	37	6	can	can	AUX
ap-2216	37	7	be	be	AUX
ap-2216	37	8	divided	divide	VERB
ap-2216	37	9	into	into	ADP
ap-2216	37	10	four	four	NUM
ap-2216	37	11	parts	part	NOUN
ap-2216	37	12	,	,	PUNCT
ap-2216	37	13	which	which	PRON
ap-2216	37	14	are	be	AUX
ap-2216	37	15	associated	associate	VERB
ap-2216	37	16	with	with	ADP
ap-2216	37	17	different	different	ADJ
ap-2216	37	18	sources	source	NOUN
ap-2216	37	19	[	[	X
ap-2216	37	20	8	8	NUM
ap-2216	37	21	,	,	PUNCT
ap-2216	37	22	9	9	NUM
ap-2216	37	23	]	]	PUNCT
ap-2216	37	24	.	.	PUNCT
ap-2216	38	1	ani	ani	PROPN
ap-2216	38	2	uses	use	VERB
ap-2216	38	3	the	the	DET
ap-2216	38	4	hf	hf	PROPN
ap-2216	38	5	frequency	frequency	NOUN
ap-2216	38	6	range	range	NOUN
ap-2216	38	7	between	between	ADP
ap-2216	38	8	0.15hz	0.15hz	NOUN
ap-2216	38	9	and	and	CCONJ
ap-2216	38	10	0.5hz	0.5hz	NUM
ap-2216	38	11	,	,	PUNCT
ap-2216	38	12	which	which	PRON
ap-2216	38	13	is	be	AUX
ap-2216	38	14	associated	associate	VERB
ap-2216	38	15	with	with	ADP
ap-2216	38	16	the	the	DET
ap-2216	38	17	correlation	correlation	NOUN
ap-2216	38	18	between	between	ADP
ap-2216	38	19	breathing	breathing	NOUN
ap-2216	38	20	and	and	CCONJ
ap-2216	38	21	heart	heart	NOUN
ap-2216	38	22	rhythm	rhythm	NOUN
ap-2216	38	23	[	[	X
ap-2216	38	24	7	7	X
ap-2216	38	25	]	]	PUNCT
ap-2216	38	26	or	or	CCONJ
ap-2216	38	27	the	the	DET
ap-2216	38	28	respiratory	respiratory	ADJ
ap-2216	38	29	sinus	sinus	NOUN
ap-2216	38	30	arrhythmia	arrhythmia	VERB
ap-2216	38	31	.	.	PUNCT
ap-2216	39	1	275	275	NUM
ap-2216	39	2	http://dx.doi.org/10.14311/ap.2014.54.0275	http://dx.doi.org/10.14311/ap.2014.54.0275	SYM
ap-2216	39	3	http://ojs.cvut.cz/ojs/index.php/ap	http://ojs.cvut.cz/ojs/index.php/ap	PROPN
ap-2216	39	4	m.	m.	NOUN
ap-2216	39	5	koeny	koeny	NOUN
ap-2216	39	6	,	,	PUNCT
ap-2216	39	7	n.	n.	PROPN
ap-2216	39	8	blanik	blanik	PROPN
ap-2216	39	9	,	,	PUNCT
ap-2216	39	10	x.	x.	PROPN
ap-2216	39	11	yu	yu	PROPN
ap-2216	39	12	et	et	PROPN
ap-2216	39	13	al	al	PROPN
ap-2216	39	14	.	.	PROPN
ap-2216	40	1	acta	acta	PROPN
ap-2216	40	2	polytechnica	polytechnica	PROPN
ap-2216	40	3	1.2	1.2	NUM
ap-2216	40	4	.	.	PUNCT
ap-2216	41	1	analgesia	analgesia	PROPN
ap-2216	41	2	nociception	nociception	PROPN
ap-2216	41	3	index	index	NOUN
ap-2216	41	4	the	the	DET
ap-2216	41	5	following	follow	VERB
ap-2216	41	6	steps	step	NOUN
ap-2216	41	7	of	of	ADP
ap-2216	41	8	ani	ani	NOUN
ap-2216	41	9	computation	computation	NOUN
ap-2216	41	10	are	be	AUX
ap-2216	41	11	summarized	summarize	VERB
ap-2216	41	12	from	from	ADP
ap-2216	41	13	[	[	X
ap-2216	41	14	7	7	NUM
ap-2216	41	15	]	]	PUNCT
ap-2216	41	16	.	.	PUNCT
ap-2216	42	1	the	the	DET
ap-2216	42	2	first	first	ADJ
ap-2216	42	3	step	step	NOUN
ap-2216	42	4	is	be	AUX
ap-2216	42	5	to	to	PART
ap-2216	42	6	determine	determine	VERB
ap-2216	42	7	the	the	DET
ap-2216	42	8	beat	beat	NOUN
ap-2216	42	9	-	-	PUNCT
ap-2216	42	10	to	to	ADP
ap-2216	42	11	-	-	PUNCT
ap-2216	42	12	beat	beat	VERB
ap-2216	42	13	intervals	interval	NOUN
ap-2216	42	14	from	from	ADP
ap-2216	42	15	the	the	DET
ap-2216	42	16	ecg	ecg	PROPN
ap-2216	42	17	signal	signal	NOUN
ap-2216	42	18	.	.	PUNCT
ap-2216	43	1	then	then	ADV
ap-2216	43	2	a	a	DET
ap-2216	43	3	special	special	ADJ
ap-2216	43	4	filter	filter	NOUN
ap-2216	43	5	is	be	AUX
ap-2216	43	6	used	use	VERB
ap-2216	43	7	to	to	PART
ap-2216	43	8	remove	remove	VERB
ap-2216	43	9	extra	extra	ADJ
ap-2216	43	10	systoles	systole	NOUN
ap-2216	43	11	and	and	CCONJ
ap-2216	43	12	artifacts	artifact	NOUN
ap-2216	43	13	from	from	ADP
ap-2216	43	14	the	the	DET
ap-2216	43	15	beat	beat	NOUN
ap-2216	43	16	-	-	PUNCT
ap-2216	43	17	to	to	ADP
ap-2216	43	18	-	-	PUNCT
ap-2216	43	19	beat	beat	VERB
ap-2216	43	20	interval	interval	NOUN
ap-2216	43	21	series	series	NOUN
ap-2216	43	22	[	[	X
ap-2216	43	23	10	10	NUM
ap-2216	43	24	]	]	PUNCT
ap-2216	43	25	.	.	PUNCT
ap-2216	44	1	after	after	ADP
ap-2216	44	2	resampling	resample	VERB
ap-2216	44	3	,	,	PUNCT
ap-2216	44	4	the	the	DET
ap-2216	44	5	signal	signal	NOUN
ap-2216	44	6	is	be	AUX
ap-2216	44	7	normalized	normalize	VERB
ap-2216	44	8	over	over	ADP
ap-2216	44	9	a	a	DET
ap-2216	44	10	time	time	NOUN
ap-2216	44	11	period	period	NOUN
ap-2216	44	12	of	of	ADP
ap-2216	44	13	64	64	NUM
ap-2216	44	14	seconds	second	NOUN
ap-2216	44	15	and	and	CCONJ
ap-2216	44	16	the	the	DET
ap-2216	44	17	signal	signal	NOUN
ap-2216	44	18	is	be	AUX
ap-2216	44	19	band	band	NOUN
ap-2216	44	20	-	-	PUNCT
ap-2216	44	21	pass	pass	NOUN
ap-2216	44	22	filtered	filter	VERB
ap-2216	44	23	between	between	ADP
ap-2216	44	24	0.15	0.15	NUM
ap-2216	44	25	and	and	CCONJ
ap-2216	44	26	0.5hz	0.5hz	NUM
ap-2216	44	27	.	.	PUNCT
ap-2216	45	1	finally	finally	ADV
ap-2216	45	2	,	,	PUNCT
ap-2216	45	3	the	the	DET
ap-2216	45	4	parasympathetic	parasympathetic	ADJ
ap-2216	45	5	tone	tone	NOUN
ap-2216	45	6	is	be	AUX
ap-2216	45	7	computed	compute	VERB
ap-2216	45	8	using	use	VERB
ap-2216	45	9	an	an	DET
ap-2216	45	10	area	area	NOUN
ap-2216	45	11	-	-	PUNCT
ap-2216	45	12	under	under	ADP
ap-2216	45	13	-	-	PUNCT
ap-2216	45	14	the	the	DET
ap-2216	45	15	-	-	PUNCT
ap-2216	45	16	envelope	envelope	NOUN
ap-2216	45	17	algorithm	algorithm	NOUN
ap-2216	45	18	of	of	ADP
ap-2216	45	19	the	the	DET
ap-2216	45	20	filtered	filter	VERB
ap-2216	45	21	beatto	beatto	NOUN
ap-2216	45	22	-	-	PUNCT
ap-2216	45	23	beat	beat	NOUN
ap-2216	45	24	series	series	NOUN
ap-2216	45	25	curve	curve	NOUN
ap-2216	45	26	.	.	PUNCT
ap-2216	46	1	ani	ani	PROPN
ap-2216	46	2	is	be	AUX
ap-2216	46	3	now	now	ADV
ap-2216	46	4	computed	compute	VERB
ap-2216	46	5	,	,	PUNCT
ap-2216	46	6	according	accord	VERB
ap-2216	46	7	to	to	ADP
ap-2216	46	8	equation	equation	NOUN
ap-2216	46	9	1	1	NUM
ap-2216	46	10	,	,	PUNCT
ap-2216	46	11	where	where	SCONJ
ap-2216	46	12	aucmin	aucmin	NOUN
ap-2216	46	13	is	be	AUX
ap-2216	46	14	determined	determine	VERB
ap-2216	46	15	as	as	ADP
ap-2216	46	16	the	the	DET
ap-2216	46	17	minimum	minimum	ADJ
ap-2216	46	18	area	area	NOUN
ap-2216	46	19	of	of	ADP
ap-2216	46	20	the	the	DET
ap-2216	46	21	envelopes	envelope	NOUN
ap-2216	46	22	of	of	ADP
ap-2216	46	23	the	the	DET
ap-2216	46	24	64	64	NUM
ap-2216	46	25	s	s	NOUN
ap-2216	46	26	interval	interval	NOUN
ap-2216	46	27	divided	divide	VERB
ap-2216	46	28	into	into	ADP
ap-2216	46	29	16	16	NUM
ap-2216	46	30	s	s	PART
ap-2216	46	31	parts	part	NOUN
ap-2216	46	32	.	.	PUNCT
ap-2216	47	1	finally	finally	ADV
ap-2216	47	2	ani	ani	VERB
ap-2216	47	3	is	be	AUX
ap-2216	47	4	determined	determine	VERB
ap-2216	47	5	as	as	SCONJ
ap-2216	47	6	described	describe	VERB
ap-2216	47	7	in	in	ADP
ap-2216	47	8	[	[	X
ap-2216	47	9	7	7	NUM
ap-2216	47	10	]	]	SYM
ap-2216	47	11	:	:	PUNCT
ap-2216	47	12	ani	ani	X
ap-2216	47	13	=	=	SYM
ap-2216	47	14	100	100	NUM
ap-2216	47	15	·	·	PUNCT
ap-2216	47	16	(	(	PUNCT
ap-2216	47	17	α	α	X
ap-2216	47	18	·	·	PUNCT
ap-2216	47	19	aucmin	aucmin	NOUN
ap-2216	47	20	+	+	CCONJ
ap-2216	47	21	β	β	X
ap-2216	47	22	)	)	PUNCT
ap-2216	47	23	12.8	12.8	NUM
ap-2216	47	24	(	(	PUNCT
ap-2216	47	25	1	1	NUM
ap-2216	47	26	)	)	PUNCT
ap-2216	47	27	one	one	NUM
ap-2216	47	28	advantage	advantage	NOUN
ap-2216	47	29	of	of	ADP
ap-2216	47	30	the	the	DET
ap-2216	47	31	system	system	NOUN
ap-2216	47	32	is	be	AUX
ap-2216	47	33	that	that	SCONJ
ap-2216	47	34	no	no	DET
ap-2216	47	35	additional	additional	ADJ
ap-2216	47	36	sensor	sensor	NOUN
ap-2216	47	37	is	be	AUX
ap-2216	47	38	necessary	necessary	ADJ
ap-2216	47	39	.	.	PUNCT
ap-2216	48	1	according	accord	VERB
ap-2216	48	2	to	to	ADP
ap-2216	48	3	the	the	DET
ap-2216	48	4	manufacturer	manufacturer	NOUN
ap-2216	48	5	,	,	PUNCT
ap-2216	48	6	ani	ani	X
ap-2216	48	7	is	be	AUX
ap-2216	48	8	also	also	ADV
ap-2216	48	9	valid	valid	ADJ
ap-2216	48	10	for	for	ADP
ap-2216	48	11	awake	awake	ADJ
ap-2216	48	12	patients	patient	NOUN
ap-2216	48	13	in	in	ADP
ap-2216	48	14	postoperative	postoperative	ADJ
ap-2216	48	15	care	care	NOUN
ap-2216	49	1	[	[	X
ap-2216	49	2	7	7	NUM
ap-2216	49	3	]	]	PUNCT
ap-2216	49	4	,	,	PUNCT
ap-2216	49	5	for	for	ADP
ap-2216	49	6	example	example	NOUN
ap-2216	49	7	in	in	ADP
ap-2216	49	8	the	the	DET
ap-2216	49	9	recovery	recovery	NOUN
ap-2216	49	10	room	room	NOUN
ap-2216	49	11	or	or	CCONJ
ap-2216	49	12	in	in	ADP
ap-2216	49	13	intensive	intensive	ADJ
ap-2216	49	14	care	care	NOUN
ap-2216	49	15	.	.	PUNCT
ap-2216	50	1	1.3	1.3	NUM
ap-2216	50	2	.	.	PUNCT
ap-2216	51	1	use	use	NOUN
ap-2216	51	2	of	of	ADP
ap-2216	51	3	ppg	ppg	PROPN
ap-2216	51	4	ppg	ppg	NOUN
ap-2216	51	5	is	be	AUX
ap-2216	51	6	an	an	DET
ap-2216	51	7	optical	optical	ADJ
ap-2216	51	8	volumetric	volumetric	NOUN
ap-2216	51	9	measurement	measurement	NOUN
ap-2216	51	10	.	.	PUNCT
ap-2216	52	1	it	it	PRON
ap-2216	52	2	is	be	AUX
ap-2216	52	3	routinely	routinely	ADV
ap-2216	52	4	used	use	VERB
ap-2216	52	5	during	during	ADP
ap-2216	52	6	surgical	surgical	ADJ
ap-2216	52	7	interventions	intervention	NOUN
ap-2216	52	8	to	to	PART
ap-2216	52	9	determine	determine	VERB
ap-2216	52	10	oxygen	oxygen	NOUN
ap-2216	52	11	saturation	saturation	NOUN
ap-2216	52	12	(	(	PUNCT
ap-2216	52	13	spo2	spo2	PROPN
ap-2216	52	14	)	)	PUNCT
ap-2216	52	15	.	.	PUNCT
ap-2216	53	1	in	in	ADP
ap-2216	53	2	most	most	ADJ
ap-2216	53	3	cases	case	NOUN
ap-2216	53	4	,	,	PUNCT
ap-2216	53	5	it	it	PRON
ap-2216	53	6	is	be	AUX
ap-2216	53	7	measured	measure	VERB
ap-2216	53	8	using	use	VERB
ap-2216	53	9	a	a	DET
ap-2216	53	10	finger	finger	NOUN
ap-2216	53	11	clip	clip	NOUN
ap-2216	53	12	.	.	PUNCT
ap-2216	54	1	figure	figure	NOUN
ap-2216	54	2	4	4	NUM
ap-2216	54	3	shows	show	VERB
ap-2216	54	4	an	an	DET
ap-2216	54	5	ecg	ecg	PROPN
ap-2216	54	6	and	and	CCONJ
ap-2216	54	7	the	the	DET
ap-2216	54	8	inherent	inherent	ADJ
ap-2216	54	9	ppg	ppg	NOUN
ap-2216	54	10	signal	signal	NOUN
ap-2216	54	11	.	.	PUNCT
ap-2216	55	1	of	of	ADP
ap-2216	55	2	course	course	NOUN
ap-2216	55	3	,	,	PUNCT
ap-2216	55	4	the	the	DET
ap-2216	55	5	ecg	ecg	PROPN
ap-2216	55	6	and	and	CCONJ
ap-2216	55	7	ppg	ppg	PROPN
ap-2216	55	8	correlate	correlate	VERB
ap-2216	55	9	well	well	ADV
ap-2216	55	10	.	.	PUNCT
ap-2216	56	1	therefore	therefore	ADV
ap-2216	56	2	,	,	PUNCT
ap-2216	56	3	the	the	DET
ap-2216	56	4	beat	beat	NOUN
ap-2216	56	5	-	-	PUNCT
ap-2216	56	6	to	to	ADP
ap-2216	56	7	-	-	PUNCT
ap-2216	56	8	beat	beat	VERB
ap-2216	56	9	intervals	interval	NOUN
ap-2216	56	10	should	should	AUX
ap-2216	56	11	also	also	ADV
ap-2216	56	12	correlate	correlate	VERB
ap-2216	56	13	,	,	PUNCT
ap-2216	56	14	and	and	CCONJ
ap-2216	56	15	the	the	DET
ap-2216	56	16	authors	author	NOUN
ap-2216	56	17	assume	assume	VERB
ap-2216	56	18	the	the	DET
ap-2216	56	19	ppg	ppg	NOUN
ap-2216	56	20	signal	signal	NOUN
ap-2216	56	21	can	can	AUX
ap-2216	56	22	be	be	AUX
ap-2216	56	23	used	use	VERB
ap-2216	56	24	to	to	PART
ap-2216	56	25	determine	determine	VERB
ap-2216	56	26	the	the	DET
ap-2216	56	27	ani	ani	NOUN
ap-2216	56	28	index	index	NOUN
ap-2216	56	29	using	use	VERB
ap-2216	56	30	the	the	DET
ap-2216	56	31	ppg	ppg	NOUN
ap-2216	56	32	signal	signal	NOUN
ap-2216	56	33	.	.	PUNCT
ap-2216	57	1	a	a	DET
ap-2216	57	2	very	very	ADV
ap-2216	57	3	promising	promising	ADJ
ap-2216	57	4	approach	approach	NOUN
ap-2216	57	5	would	would	AUX
ap-2216	57	6	be	be	AUX
ap-2216	57	7	to	to	PART
ap-2216	57	8	fuse	fuse	VERB
ap-2216	57	9	ecg	ecg	PROPN
ap-2216	57	10	and	and	CCONJ
ap-2216	57	11	ppg	ppg	VERB
ap-2216	57	12	in	in	ADP
ap-2216	57	13	order	order	NOUN
ap-2216	57	14	to	to	PART
ap-2216	57	15	improve	improve	VERB
ap-2216	57	16	the	the	DET
ap-2216	57	17	accuracy	accuracy	NOUN
ap-2216	57	18	and	and	CCONJ
ap-2216	57	19	the	the	DET
ap-2216	57	20	robustness	robustness	NOUN
ap-2216	57	21	of	of	ADP
ap-2216	57	22	ani	ani	NOUN
ap-2216	57	23	computation	computation	NOUN
ap-2216	57	24	.	.	PUNCT
ap-2216	58	1	in	in	ADP
ap-2216	58	2	addition	addition	NOUN
ap-2216	58	3	,	,	PUNCT
ap-2216	58	4	the	the	DET
ap-2216	58	5	source	source	NOUN
ap-2216	58	6	can	can	AUX
ap-2216	58	7	be	be	AUX
ap-2216	58	8	switched	switch	VERB
ap-2216	58	9	if	if	SCONJ
ap-2216	58	10	the	the	DET
ap-2216	58	11	quality	quality	NOUN
ap-2216	58	12	of	of	ADP
ap-2216	58	13	one	one	NUM
ap-2216	58	14	of	of	ADP
ap-2216	58	15	the	the	DET
ap-2216	58	16	signals	signal	NOUN
ap-2216	58	17	is	be	AUX
ap-2216	58	18	not	not	PART
ap-2216	58	19	sufficient	sufficient	ADJ
ap-2216	58	20	or	or	CCONJ
ap-2216	58	21	is	be	AUX
ap-2216	58	22	provided	provide	VERB
ap-2216	58	23	with	with	ADP
ap-2216	58	24	artifacts	artifact	NOUN
ap-2216	58	25	.	.	PUNCT
ap-2216	59	1	1.4	1.4	NUM
ap-2216	59	2	.	.	PUNCT
ap-2216	59	3	image	image	NOUN
ap-2216	59	4	based	base	VERB
ap-2216	59	5	ppg	ppg	NOUN
ap-2216	59	6	image	image	NOUN
ap-2216	59	7	-	-	PUNCT
ap-2216	59	8	based	base	VERB
ap-2216	59	9	ppg	ppg	NOUN
ap-2216	59	10	technology	technology	NOUN
ap-2216	59	11	(	(	PUNCT
ap-2216	59	12	photoplethysmography	photoplethysmography	NOUN
ap-2216	59	13	imaging	imaging	NOUN
ap-2216	59	14	,	,	PUNCT
ap-2216	59	15	ppgi	ppgi	NOUN
ap-2216	59	16	)	)	PUNCT
ap-2216	59	17	was	be	AUX
ap-2216	59	18	first	first	ADV
ap-2216	59	19	introduced	introduce	VERB
ap-2216	59	20	in	in	ADP
ap-2216	59	21	1998	1998	NUM
ap-2216	59	22	by	by	ADP
ap-2216	59	23	rwth	rwth	PROPN
ap-2216	59	24	aachen	aachen	PROPN
ap-2216	59	25	university	university	PROPN
ap-2216	59	26	,	,	PUNCT
ap-2216	59	27	aachen	aachen	PROPN
ap-2216	59	28	,	,	PUNCT
ap-2216	59	29	germany	germany	PROPN
ap-2216	59	30	[	[	X
ap-2216	59	31	11	11	NUM
ap-2216	59	32	]	]	PUNCT
ap-2216	59	33	.	.	PUNCT
ap-2216	60	1	a	a	DET
ap-2216	60	2	ppgi	ppgi	NOUN
ap-2216	60	3	signal	signal	NOUN
ap-2216	60	4	is	be	AUX
ap-2216	60	5	recorded	record	VERB
ap-2216	60	6	using	use	VERB
ap-2216	60	7	visible	visible	ADJ
ap-2216	60	8	and/or	and/or	CCONJ
ap-2216	60	9	near	near	ADP
ap-2216	60	10	infrared	infrared	ADJ
ap-2216	60	11	camera	camera	NOUN
ap-2216	60	12	technology	technology	NOUN
ap-2216	60	13	focused	focus	VERB
ap-2216	60	14	on	on	ADP
ap-2216	60	15	the	the	DET
ap-2216	60	16	skin	skin	NOUN
ap-2216	60	17	surface	surface	NOUN
ap-2216	60	18	.	.	PUNCT
ap-2216	61	1	similar	similar	ADJ
ap-2216	61	2	to	to	ADP
ap-2216	61	3	classical	classical	ADJ
ap-2216	61	4	ppg	ppg	NOUN
ap-2216	61	5	,	,	PUNCT
ap-2216	61	6	ppgi	ppgi	NOUN
ap-2216	61	7	detects	detect	NOUN
ap-2216	61	8	minor	minor	ADJ
ap-2216	61	9	changes	change	NOUN
ap-2216	61	10	in	in	ADP
ap-2216	61	11	light	light	ADJ
ap-2216	61	12	intensity	intensity	NOUN
ap-2216	61	13	originating	originate	VERB
ap-2216	61	14	from	from	ADP
ap-2216	61	15	modulated	modulate	VERB
ap-2216	61	16	perfusion	perfusion	NOUN
ap-2216	61	17	of	of	ADP
ap-2216	61	18	the	the	DET
ap-2216	61	19	skin	skin	NOUN
ap-2216	61	20	tissue	tissue	NOUN
ap-2216	61	21	.	.	PUNCT
ap-2216	62	1	hence	hence	ADV
ap-2216	62	2	,	,	PUNCT
ap-2216	62	3	these	these	DET
ap-2216	62	4	changes	change	NOUN
ap-2216	62	5	—	—	PUNCT
ap-2216	62	6	although	although	SCONJ
ap-2216	62	7	not	not	PART
ap-2216	62	8	visible	visible	ADJ
ap-2216	62	9	to	to	ADP
ap-2216	62	10	the	the	DET
ap-2216	62	11	human	human	ADJ
ap-2216	62	12	eye	eye	NOUN
ap-2216	62	13	—	—	PUNCT
ap-2216	62	14	possess	possess	VERB
ap-2216	62	15	similar	similar	ADJ
ap-2216	62	16	information	information	NOUN
ap-2216	62	17	to	to	ADP
ap-2216	62	18	a	a	DET
ap-2216	62	19	ppg	ppg	NOUN
ap-2216	62	20	signal	signal	NOUN
ap-2216	62	21	.	.	PUNCT
ap-2216	63	1	the	the	DET
ap-2216	63	2	signal	signal	NOUN
ap-2216	63	3	can	can	AUX
ap-2216	63	4	be	be	AUX
ap-2216	63	5	used	use	VERB
ap-2216	63	6	to	to	PART
ap-2216	63	7	estimate	estimate	VERB
ap-2216	63	8	heart	heart	NOUN
ap-2216	63	9	rate	rate	NOUN
ap-2216	63	10	and	and	CCONJ
ap-2216	63	11	heart	heart	NOUN
ap-2216	63	12	rate	rate	NOUN
ap-2216	63	13	variability.[11	variability.[11	NOUN
ap-2216	63	14	]	]	PUNCT
ap-2216	63	15	.	.	PUNCT
ap-2216	64	1	since	since	SCONJ
ap-2216	64	2	,	,	PUNCT
ap-2216	64	3	camera	camera	NOUN
ap-2216	64	4	sensor	sensor	NOUN
ap-2216	64	5	and	and	CCONJ
ap-2216	64	6	measurement	measurement	NOUN
ap-2216	64	7	location	location	NOUN
ap-2216	64	8	are	be	AUX
ap-2216	64	9	now	now	ADV
ap-2216	64	10	not	not	PART
ap-2216	64	11	fixed	fix	VERB
ap-2216	64	12	together	together	ADV
ap-2216	64	13	rigidly	rigidly	ADV
ap-2216	64	14	,	,	PUNCT
ap-2216	64	15	relative	relative	ADJ
ap-2216	64	16	movements	movement	NOUN
ap-2216	64	17	between	between	ADP
ap-2216	64	18	the	the	DET
ap-2216	64	19	observed	observed	ADJ
ap-2216	64	20	object	object	NOUN
ap-2216	64	21	and	and	CCONJ
ap-2216	64	22	the	the	DET
ap-2216	64	23	camera	camera	NOUN
ap-2216	64	24	may	may	AUX
ap-2216	64	25	become	become	VERB
ap-2216	64	26	an	an	DET
ap-2216	64	27	issue	issue	NOUN
ap-2216	64	28	in	in	ADP
ap-2216	64	29	the	the	DET
ap-2216	64	30	assessment	assessment	NOUN
ap-2216	64	31	of	of	ADP
ap-2216	64	32	ppgi	ppgi	NOUN
ap-2216	64	33	sequences	sequence	NOUN
ap-2216	64	34	.	.	PUNCT
ap-2216	65	1	to	to	PART
ap-2216	65	2	prevent	prevent	VERB
ap-2216	65	3	such	such	ADJ
ap-2216	65	4	movement	movement	NOUN
ap-2216	65	5	artifacts	artifact	NOUN
ap-2216	65	6	,	,	PUNCT
ap-2216	65	7	either	either	CCONJ
ap-2216	65	8	image	image	NOUN
ap-2216	65	9	processing	processing	NOUN
ap-2216	65	10	algorithms	algorithm	NOUN
ap-2216	65	11	for	for	ADP
ap-2216	65	12	movement	movement	NOUN
ap-2216	65	13	compensation	compensation	NOUN
ap-2216	65	14	must	must	AUX
ap-2216	65	15	be	be	AUX
ap-2216	65	16	applied	apply	VERB
ap-2216	65	17	,	,	PUNCT
ap-2216	65	18	anesthesia	anesthesia	PROPN
ap-2216	65	19	workstation	workstation	PROPN
ap-2216	65	20	hr	hr	NOUN
ap-2216	65	21	83	83	NUM
ap-2216	65	22	ll	ll	AUX
ap-2216	65	23	lead	lead	VERB
ap-2216	65	24	off	off	ADP
ap-2216	65	25	nibp	nibp	PROPN
ap-2216	65	26	120	120	NUM
ap-2216	65	27	80	80	NUM
ap-2216	65	28	propofol	propofol	NOUN
ap-2216	65	29	15	15	NUM
ap-2216	65	30	ml	ml	NOUN
ap-2216	65	31	/	/	SYM
ap-2216	65	32	h	h	NOUN
ap-2216	65	33	infusion	infusion	NOUN
ap-2216	65	34	pump	pump	VERB
ap-2216	65	35	patient	patient	ADJ
ap-2216	65	36	monitor	monitor	NOUN
ap-2216	65	37	hr	hr	NOUN
ap-2216	65	38	83	83	NUM
ap-2216	65	39	nibp	nibp	NOUN
ap-2216	65	40	120	120	NUM
ap-2216	65	41	80	80	NUM
ap-2216	65	42	surgical	surgical	ADJ
ap-2216	65	43	events	event	NOUN
ap-2216	65	44	anesthesia	anesthesia	NOUN
ap-2216	65	45	events	event	NOUN
ap-2216	65	46	anesthesia	anesthesia	NOUN
ap-2216	65	47	machine	machine	NOUN
ap-2216	65	48	propofol	propofol	NOUN
ap-2216	65	49	15	15	NUM
ap-2216	65	50	ml	ml	NOUN
ap-2216	65	51	/	/	SYM
ap-2216	65	52	h	h	NOUN
ap-2216	65	53	infusion	infusion	NOUN
ap-2216	65	54	pump	pump	NOUN
ap-2216	65	55	propofol	propofol	NOUN
ap-2216	65	56	15	15	NUM
ap-2216	65	57	ml	ml	NOUN
ap-2216	65	58	/	/	SYM
ap-2216	65	59	h	h	NOUN
ap-2216	65	60	infusion	infusion	NOUN
ap-2216	65	61	pump	pump	NOUN
ap-2216	65	62	figure	figure	NOUN
ap-2216	65	63	1	1	NUM
ap-2216	65	64	.	.	PUNCT
ap-2216	65	65	setup	setup	NOUN
ap-2216	65	66	of	of	ADP
ap-2216	65	67	the	the	DET
ap-2216	65	68	system	system	NOUN
ap-2216	65	69	in	in	ADP
ap-2216	65	70	the	the	DET
ap-2216	65	71	university	university	NOUN
ap-2216	65	72	hospital	hospital	NOUN
ap-2216	65	73	in	in	ADP
ap-2216	65	74	aachen	aachen	NOUN
ap-2216	65	75	for	for	ADP
ap-2216	65	76	recording	record	VERB
ap-2216	65	77	vital	vital	ADJ
ap-2216	65	78	signs	sign	NOUN
ap-2216	65	79	during	during	ADP
ap-2216	65	80	surgical	surgical	ADJ
ap-2216	65	81	interventions	intervention	NOUN
ap-2216	65	82	.	.	PUNCT
ap-2216	66	1	or	or	CCONJ
ap-2216	66	2	the	the	DET
ap-2216	66	3	measurement	measurement	NOUN
ap-2216	66	4	setup	setup	NOUN
ap-2216	66	5	must	must	AUX
ap-2216	66	6	guarantee	guarantee	VERB
ap-2216	66	7	a	a	DET
ap-2216	66	8	motionfree	motionfree	ADJ
ap-2216	66	9	measurement	measurement	PROPN
ap-2216	66	10	scenario	scenario	NOUN
ap-2216	66	11	,	,	PUNCT
ap-2216	66	12	for	for	ADP
ap-2216	66	13	example	example	NOUN
ap-2216	66	14	by	by	ADP
ap-2216	66	15	appropriate	appropriate	ADJ
ap-2216	66	16	fixation	fixation	NOUN
ap-2216	66	17	of	of	ADP
ap-2216	66	18	the	the	DET
ap-2216	66	19	observed	observe	VERB
ap-2216	66	20	body	body	NOUN
ap-2216	66	21	part	part	NOUN
ap-2216	66	22	.	.	PUNCT
ap-2216	67	1	to	to	PART
ap-2216	67	2	extract	extract	VERB
ap-2216	67	3	a	a	DET
ap-2216	67	4	ppg	ppg	NOUN
ap-2216	67	5	signal	signal	NOUN
ap-2216	67	6	from	from	ADP
ap-2216	67	7	a	a	DET
ap-2216	67	8	ppgi	ppgi	NOUN
ap-2216	67	9	video	video	NOUN
ap-2216	67	10	sequence	sequence	NOUN
ap-2216	67	11	,	,	PUNCT
ap-2216	67	12	every	every	DET
ap-2216	67	13	single	single	ADJ
ap-2216	67	14	pixel	pixel	NOUN
ap-2216	67	15	of	of	ADP
ap-2216	67	16	the	the	DET
ap-2216	67	17	sensitive	sensitive	ADJ
ap-2216	67	18	camera	camera	NOUN
ap-2216	67	19	chip	chip	NOUN
ap-2216	67	20	senses	sense	NOUN
ap-2216	67	21	like	like	ADP
ap-2216	67	22	a	a	DET
ap-2216	67	23	classical	classical	ADJ
ap-2216	67	24	ppg	ppg	NOUN
ap-2216	67	25	sensor	sensor	NOUN
ap-2216	67	26	.	.	PUNCT
ap-2216	68	1	in	in	ADP
ap-2216	68	2	addition	addition	NOUN
ap-2216	68	3	,	,	PUNCT
ap-2216	68	4	inside	inside	ADP
ap-2216	68	5	the	the	DET
ap-2216	68	6	recorded	record	VERB
ap-2216	68	7	video	video	NOUN
ap-2216	68	8	frame	frame	NOUN
ap-2216	68	9	,	,	PUNCT
ap-2216	68	10	a	a	DET
ap-2216	68	11	region	region	NOUN
ap-2216	68	12	of	of	ADP
ap-2216	68	13	interest	interest	NOUN
ap-2216	68	14	(	(	PUNCT
ap-2216	68	15	roi	roi	NOUN
ap-2216	68	16	)	)	PUNCT
ap-2216	68	17	can	can	AUX
ap-2216	68	18	be	be	AUX
ap-2216	68	19	defined	define	VERB
ap-2216	68	20	in	in	ADP
ap-2216	68	21	which	which	PRON
ap-2216	68	22	for	for	ADP
ap-2216	68	23	every	every	DET
ap-2216	68	24	frame	frame	NOUN
ap-2216	68	25	the	the	DET
ap-2216	68	26	mean	mean	ADJ
ap-2216	68	27	gray	gray	ADJ
ap-2216	68	28	values	value	NOUN
ap-2216	68	29	of	of	ADP
ap-2216	68	30	all	all	DET
ap-2216	68	31	containing	contain	VERB
ap-2216	68	32	pixels	pixel	NOUN
ap-2216	68	33	are	be	AUX
ap-2216	68	34	calculated	calculate	VERB
ap-2216	68	35	,	,	PUNCT
ap-2216	68	36	representing	represent	VERB
ap-2216	68	37	the	the	DET
ap-2216	68	38	mean	mean	ADJ
ap-2216	68	39	regional	regional	ADJ
ap-2216	68	40	ppg	ppg	NOUN
ap-2216	68	41	value	value	NOUN
ap-2216	68	42	at	at	ADP
ap-2216	68	43	that	that	DET
ap-2216	68	44	particular	particular	ADJ
ap-2216	68	45	moment	moment	NOUN
ap-2216	68	46	.	.	PUNCT
ap-2216	69	1	this	this	PRON
ap-2216	69	2	enables	enable	VERB
ap-2216	69	3	totally	totally	ADV
ap-2216	69	4	contact	contact	NOUN
ap-2216	69	5	-	-	PUNCT
ap-2216	69	6	free	free	ADJ
ap-2216	69	7	,	,	PUNCT
ap-2216	69	8	non	non	ADJ
ap-2216	69	9	-	-	ADJ
ap-2216	69	10	obtrusive	obtrusive	ADJ
ap-2216	69	11	monitoring	monitoring	NOUN
ap-2216	69	12	of	of	ADP
ap-2216	69	13	skin	skin	NOUN
ap-2216	69	14	perfusion	perfusion	NOUN
ap-2216	69	15	and	and	CCONJ
ap-2216	69	16	further	further	ADJ
ap-2216	69	17	derivable	derivable	ADJ
ap-2216	69	18	vital	vital	ADJ
ap-2216	69	19	parameters	parameter	NOUN
ap-2216	69	20	.	.	PUNCT
ap-2216	70	1	the	the	DET
ap-2216	70	2	local	local	ADJ
ap-2216	70	3	distribution	distribution	NOUN
ap-2216	70	4	within	within	ADP
ap-2216	70	5	the	the	DET
ap-2216	70	6	observed	observe	VERB
ap-2216	70	7	body	body	NOUN
ap-2216	70	8	surface	surface	NOUN
ap-2216	70	9	can	can	AUX
ap-2216	70	10	be	be	AUX
ap-2216	70	11	estimated	estimate	VERB
ap-2216	70	12	for	for	ADP
ap-2216	70	13	all	all	DET
ap-2216	70	14	findings	finding	NOUN
ap-2216	70	15	resulting	result	VERB
ap-2216	70	16	in	in	ADP
ap-2216	70	17	functional	functional	ADJ
ap-2216	70	18	mapping	mapping	NOUN
ap-2216	70	19	of	of	ADP
ap-2216	70	20	the	the	DET
ap-2216	70	21	observed	observe	VERB
ap-2216	70	22	parameter	parameter	NOUN
ap-2216	70	23	with	with	ADP
ap-2216	70	24	spatial	spatial	ADJ
ap-2216	70	25	resolution	resolution	NOUN
ap-2216	70	26	[	[	X
ap-2216	70	27	12	12	NUM
ap-2216	70	28	]	]	PUNCT
ap-2216	70	29	.	.	PUNCT
ap-2216	71	1	we	we	PRON
ap-2216	71	2	acknowledge	acknowledge	VERB
ap-2216	71	3	that	that	PRON
ap-2216	71	4	part	part	NOUN
ap-2216	71	5	of	of	ADP
ap-2216	71	6	the	the	DET
ap-2216	71	7	work	work	NOUN
ap-2216	71	8	presented	present	VERB
ap-2216	71	9	in	in	ADP
ap-2216	71	10	this	this	DET
ap-2216	71	11	paper	paper	NOUN
ap-2216	71	12	has	have	AUX
ap-2216	71	13	been	be	AUX
ap-2216	71	14	previously	previously	ADV
ap-2216	71	15	published	publish	VERB
ap-2216	71	16	in	in	ADP
ap-2216	71	17	[	[	X
ap-2216	71	18	1	1	NUM
ap-2216	71	19	]	]	PUNCT
ap-2216	71	20	.	.	PUNCT
ap-2216	72	1	2	2	X
ap-2216	72	2	.	.	X
ap-2216	72	3	materials	material	NOUN
ap-2216	72	4	and	and	CCONJ
ap-2216	72	5	methods	method	NOUN
ap-2216	72	6	2.1	2.1	NUM
ap-2216	72	7	.	.	PUNCT
ap-2216	73	1	data	datum	NOUN
ap-2216	73	2	recordings	recording	NOUN
ap-2216	73	3	in	in	ADP
ap-2216	73	4	the	the	DET
ap-2216	73	5	university	university	NOUN
ap-2216	73	6	hospital	hospital	NOUN
ap-2216	73	7	in	in	ADP
ap-2216	73	8	aachen	aachen	PROPN
ap-2216	73	9	the	the	DET
ap-2216	73	10	ecg	ecg	PROPN
ap-2216	73	11	and	and	CCONJ
ap-2216	73	12	ppg	ppg	PROPN
ap-2216	73	13	signals	signal	NOUN
ap-2216	73	14	used	use	VERB
ap-2216	73	15	to	to	PART
ap-2216	73	16	develop	develop	VERB
ap-2216	73	17	and	and	CCONJ
ap-2216	73	18	evaluate	evaluate	VERB
ap-2216	73	19	the	the	DET
ap-2216	73	20	described	describe	VERB
ap-2216	73	21	algorithms	algorithm	NOUN
ap-2216	73	22	were	be	AUX
ap-2216	73	23	recorded	record	VERB
ap-2216	73	24	over	over	ADP
ap-2216	73	25	a	a	DET
ap-2216	73	26	time	time	NOUN
ap-2216	73	27	period	period	NOUN
ap-2216	73	28	of	of	ADP
ap-2216	73	29	two	two	NUM
ap-2216	73	30	months	month	NOUN
ap-2216	73	31	anonymously	anonymously	ADV
ap-2216	73	32	at	at	ADP
ap-2216	73	33	the	the	DET
ap-2216	73	34	university	university	NOUN
ap-2216	73	35	hospital	hospital	NOUN
ap-2216	73	36	of	of	ADP
ap-2216	73	37	aachen	aachen	PROPN
ap-2216	73	38	,	,	PUNCT
ap-2216	73	39	germany	germany	PROPN
ap-2216	73	40	,	,	PUNCT
ap-2216	73	41	after	after	ADP
ap-2216	73	42	approval	approval	NOUN
ap-2216	73	43	by	by	ADP
ap-2216	73	44	the	the	DET
ap-2216	73	45	local	local	ADJ
ap-2216	73	46	ethics	ethic	NOUN
ap-2216	73	47	committee	committee	NOUN
ap-2216	73	48	.	.	PUNCT
ap-2216	74	1	the	the	DET
ap-2216	74	2	patients	patient	NOUN
ap-2216	74	3	received	receive	VERB
ap-2216	74	4	either	either	CCONJ
ap-2216	74	5	total	total	ADJ
ap-2216	74	6	intravenous	intravenous	ADJ
ap-2216	74	7	anesthesia	anesthesia	NOUN
ap-2216	74	8	or	or	CCONJ
ap-2216	74	9	balanced	balance	VERB
ap-2216	74	10	anesthesia	anesthesia	NOUN
ap-2216	74	11	with	with	ADP
ap-2216	74	12	volatile	volatile	ADJ
ap-2216	74	13	anesthetics	anesthetic	NOUN
ap-2216	74	14	.	.	PUNCT
ap-2216	75	1	in	in	ADP
ap-2216	75	2	addition	addition	NOUN
ap-2216	75	3	to	to	ADP
ap-2216	75	4	the	the	DET
ap-2216	75	5	ecg	ecg	PROPN
ap-2216	75	6	and	and	CCONJ
ap-2216	75	7	ppg	ppg	PROPN
ap-2216	75	8	signal	signal	NOUN
ap-2216	75	9	,	,	PUNCT
ap-2216	75	10	all	all	PRON
ap-2216	75	11	available	available	ADJ
ap-2216	75	12	vital	vital	ADJ
ap-2216	75	13	signs	sign	NOUN
ap-2216	75	14	from	from	ADP
ap-2216	75	15	the	the	DET
ap-2216	75	16	patient	patient	NOUN
ap-2216	75	17	monitor	monitor	NOUN
ap-2216	75	18	,	,	PUNCT
ap-2216	75	19	the	the	DET
ap-2216	75	20	anesthesia	anesthesia	NOUN
ap-2216	75	21	machine	machine	NOUN
ap-2216	75	22	and	and	CCONJ
ap-2216	75	23	syringe	syringe	NOUN
ap-2216	75	24	pumps	pump	NOUN
ap-2216	75	25	were	be	AUX
ap-2216	75	26	recorded	record	VERB
ap-2216	75	27	.	.	PUNCT
ap-2216	76	1	in	in	ADP
ap-2216	76	2	addition	addition	NOUN
ap-2216	76	3	,	,	PUNCT
ap-2216	76	4	important	important	ADJ
ap-2216	76	5	anesthesia	anesthesia	NOUN
ap-2216	76	6	-	-	PUNCT
ap-2216	76	7	associated	associate	VERB
ap-2216	76	8	and	and	CCONJ
ap-2216	76	9	surgical	surgical	ADJ
ap-2216	76	10	events	event	NOUN
ap-2216	76	11	,	,	PUNCT
ap-2216	76	12	such	such	ADJ
ap-2216	76	13	as	as	ADP
ap-2216	76	14	skin	skin	NOUN
ap-2216	76	15	incision	incision	NOUN
ap-2216	76	16	or	or	CCONJ
ap-2216	76	17	manually	manually	ADV
ap-2216	76	18	administered	administer	VERB
ap-2216	76	19	drugs	drug	NOUN
ap-2216	76	20	were	be	AUX
ap-2216	76	21	recorded	record	VERB
ap-2216	76	22	by	by	ADP
ap-2216	76	23	a	a	DET
ap-2216	76	24	dedicated	dedicated	ADJ
ap-2216	76	25	ob276	ob276	NOUN
ap-2216	76	26	vol	vol	NOUN
ap-2216	76	27	.	.	PUNCT
ap-2216	77	1	54	54	NUM
ap-2216	77	2	no	no	NOUN
ap-2216	77	3	.	.	PUNCT
ap-2216	78	1	4/2014	4/2014	NUM
ap-2216	78	2	using	use	VERB
ap-2216	78	3	ppg	ppg	NOUN
ap-2216	78	4	imaging	imaging	NOUN
ap-2216	78	5	for	for	ADP
ap-2216	78	6	objective	objective	ADJ
ap-2216	78	7	contactless	contactless	NOUN
ap-2216	78	8	pain	pain	NOUN
ap-2216	78	9	assessment	assessment	NOUN
ap-2216	78	10	figure	figure	NOUN
ap-2216	78	11	2	2	NUM
ap-2216	78	12	.	.	PUNCT
ap-2216	78	13	steps	step	NOUN
ap-2216	78	14	of	of	ADP
ap-2216	78	15	the	the	DET
ap-2216	78	16	beat	beat	NOUN
ap-2216	78	17	-	-	PUNCT
ap-2216	78	18	to	to	ADP
ap-2216	78	19	-	-	PUNCT
ap-2216	78	20	beat	beat	VERB
ap-2216	78	21	interval	interval	NOUN
ap-2216	78	22	calculation	calculation	NOUN
ap-2216	78	23	,	,	PUNCT
ap-2216	78	24	modified	modify	VERB
ap-2216	78	25	after	after	ADP
ap-2216	78	26	[	[	X
ap-2216	78	27	14	14	NUM
ap-2216	78	28	]	]	SYM
ap-2216	78	29	.	.	PUNCT
ap-2216	79	1	server	server	PROPN
ap-2216	79	2	.	.	PROPN
ap-2216	80	1	based	base	VERB
ap-2216	80	2	on	on	ADP
ap-2216	80	3	these	these	DET
ap-2216	80	4	data	datum	NOUN
ap-2216	80	5	,	,	PUNCT
ap-2216	80	6	influences	influence	NOUN
ap-2216	80	7	on	on	ADP
ap-2216	80	8	the	the	DET
ap-2216	80	9	ani	ani	NOUN
ap-2216	80	10	could	could	AUX
ap-2216	80	11	be	be	AUX
ap-2216	80	12	examined	examine	VERB
ap-2216	80	13	and	and	CCONJ
ap-2216	80	14	correlations	correlation	NOUN
ap-2216	80	15	could	could	AUX
ap-2216	80	16	be	be	AUX
ap-2216	80	17	analyzed	analyze	VERB
ap-2216	80	18	,	,	PUNCT
ap-2216	81	1	cf	cf	X
ap-2216	81	2	.	.	PUNCT
ap-2216	81	3	figure	figure	NOUN
ap-2216	81	4	1	1	NUM
ap-2216	81	5	.	.	PUNCT
ap-2216	82	1	the	the	DET
ap-2216	82	2	system	system	NOUN
ap-2216	82	3	used	use	VERB
ap-2216	82	4	for	for	ADP
ap-2216	82	5	data	datum	NOUN
ap-2216	82	6	acquisition	acquisition	NOUN
ap-2216	82	7	was	be	AUX
ap-2216	82	8	developed	develop	VERB
ap-2216	82	9	as	as	ADP
ap-2216	82	10	an	an	DET
ap-2216	82	11	“	"	PUNCT
ap-2216	82	12	anesthesia	anesthesia	PROPN
ap-2216	82	13	workstation	workstation	NOUN
ap-2216	82	14	”	"	PUNCT
ap-2216	82	15	in	in	ADP
ap-2216	82	16	context	context	NOUN
ap-2216	82	17	of	of	ADP
ap-2216	82	18	a	a	DET
ap-2216	82	19	research	research	NOUN
ap-2216	82	20	project	project	NOUN
ap-2216	82	21	[	[	X
ap-2216	82	22	13	13	NUM
ap-2216	82	23	]	]	PUNCT
ap-2216	82	24	on	on	ADP
ap-2216	82	25	modular	modular	ADJ
ap-2216	82	26	networking	networking	NOUN
ap-2216	82	27	in	in	ADP
ap-2216	82	28	the	the	DET
ap-2216	82	29	operating	operating	NOUN
ap-2216	82	30	room	room	NOUN
ap-2216	82	31	.	.	PUNCT
ap-2216	83	1	using	use	VERB
ap-2216	83	2	the	the	DET
ap-2216	83	3	pc	pc	NOUN
ap-2216	83	4	data	datum	NOUN
ap-2216	83	5	connection	connection	NOUN
ap-2216	83	6	with	with	ADP
ap-2216	83	7	the	the	DET
ap-2216	83	8	mp70	mp70	PROPN
ap-2216	83	9	patient	patient	NOUN
ap-2216	83	10	monitor	monitor	NOUN
ap-2216	83	11	(	(	PUNCT
ap-2216	83	12	philips	philips	PROPN
ap-2216	83	13	ag	ag	PROPN
ap-2216	83	14	)	)	PUNCT
ap-2216	83	15	,	,	PUNCT
ap-2216	83	16	a	a	DET
ap-2216	83	17	primus	primus	PROPN
ap-2216	83	18	or	or	CCONJ
ap-2216	83	19	cato	cato	PROPN
ap-2216	83	20	anesthesia	anesthesia	PROPN
ap-2216	83	21	machine	machine	NOUN
ap-2216	83	22	(	(	PUNCT
ap-2216	83	23	draeger	draeger	PROPN
ap-2216	83	24	medical	medical	PROPN
ap-2216	83	25	,	,	PUNCT
ap-2216	83	26	luebeck	luebeck	NOUN
ap-2216	83	27	)	)	PUNCT
ap-2216	83	28	and	and	CCONJ
ap-2216	83	29	syringe	syringe	NOUN
ap-2216	83	30	pumps	pump	NOUN
ap-2216	83	31	(	(	PUNCT
ap-2216	83	32	bbraun	bbraun	NOUN
ap-2216	83	33	,	,	PUNCT
ap-2216	83	34	melsungen	melsungen	NOUN
ap-2216	83	35	)	)	PUNCT
ap-2216	83	36	,	,	PUNCT
ap-2216	83	37	data	datum	NOUN
ap-2216	83	38	were	be	AUX
ap-2216	83	39	recorded	record	VERB
ap-2216	83	40	during	during	ADP
ap-2216	83	41	the	the	DET
ap-2216	83	42	surgical	surgical	ADJ
ap-2216	83	43	intervention	intervention	NOUN
ap-2216	83	44	and	and	CCONJ
ap-2216	83	45	were	be	AUX
ap-2216	83	46	prepared	prepare	VERB
ap-2216	83	47	for	for	ADP
ap-2216	83	48	further	further	ADJ
ap-2216	83	49	visualization	visualization	NOUN
ap-2216	83	50	and	and	CCONJ
ap-2216	83	51	analysis	analysis	NOUN
ap-2216	83	52	in	in	ADP
ap-2216	83	53	matlab	matlab	PROPN
ap-2216	83	54	(	(	PUNCT
ap-2216	83	55	the	the	DET
ap-2216	83	56	mathworks	mathworks	PROPN
ap-2216	83	57	company	company	NOUN
ap-2216	83	58	)	)	PUNCT
ap-2216	83	59	.	.	PUNCT
ap-2216	84	1	using	use	VERB
ap-2216	84	2	the	the	DET
ap-2216	84	3	same	same	ADJ
ap-2216	84	4	system	system	NOUN
ap-2216	84	5	,	,	PUNCT
ap-2216	84	6	during	during	ADP
ap-2216	84	7	an	an	DET
ap-2216	84	8	animal	animal	NOUN
ap-2216	84	9	trial	trial	NOUN
ap-2216	84	10	,	,	PUNCT
ap-2216	84	11	the	the	DET
ap-2216	84	12	vital	vital	ADJ
ap-2216	84	13	signs	sign	NOUN
ap-2216	84	14	of	of	ADP
ap-2216	84	15	a	a	DET
ap-2216	84	16	young	young	ADJ
ap-2216	84	17	pig	pig	NOUN
ap-2216	84	18	(	(	PUNCT
ap-2216	84	19	“	"	PUNCT
ap-2216	84	20	deutsche	deutsche	NOUN
ap-2216	84	21	landrasse	landrasse	NOUN
ap-2216	84	22	”	"	PUNCT
ap-2216	84	23	)	)	PUNCT
ap-2216	84	24	were	be	AUX
ap-2216	84	25	recorded	record	VERB
ap-2216	84	26	as	as	ADP
ap-2216	84	27	a	a	DET
ap-2216	84	28	reference	reference	NOUN
ap-2216	84	29	.	.	PUNCT
ap-2216	85	1	using	use	VERB
ap-2216	85	2	an	an	DET
ap-2216	85	3	additional	additional	ADJ
ap-2216	85	4	pc	pc	NOUN
ap-2216	85	5	,	,	PUNCT
ap-2216	85	6	which	which	PRON
ap-2216	85	7	was	be	AUX
ap-2216	85	8	connected	connect	VERB
ap-2216	85	9	to	to	ADP
ap-2216	85	10	the	the	DET
ap-2216	85	11	ppgi	ppgi	NOUN
ap-2216	85	12	camera	camera	NOUN
ap-2216	85	13	(	(	PUNCT
ap-2216	85	14	avt	avt	PROPN
ap-2216	85	15	,	,	PUNCT
ap-2216	85	16	pike	pike	NOUN
ap-2216	85	17	210b	210b	PROPN
ap-2216	85	18	)	)	PUNCT
ap-2216	85	19	,	,	PUNCT
ap-2216	85	20	the	the	DET
ap-2216	85	21	ppgi	ppgi	NOUN
ap-2216	85	22	video	video	NOUN
ap-2216	85	23	was	be	AUX
ap-2216	85	24	recorded	record	VERB
ap-2216	85	25	synchronously	synchronously	ADV
ap-2216	85	26	,	,	PUNCT
ap-2216	85	27	using	use	VERB
ap-2216	85	28	a	a	DET
ap-2216	85	29	self	self	NOUN
ap-2216	85	30	-	-	PUNCT
ap-2216	85	31	developed	develop	VERB
ap-2216	85	32	software	software	NOUN
ap-2216	85	33	tool	tool	NOUN
ap-2216	85	34	with	with	ADP
ap-2216	85	35	matlab	matlab	PROPN
ap-2216	85	36	.	.	PUNCT
ap-2216	86	1	due	due	ADP
ap-2216	86	2	to	to	ADP
ap-2216	86	3	restrictions	restriction	NOUN
ap-2216	86	4	of	of	ADP
ap-2216	86	5	the	the	DET
ap-2216	86	6	recording	recording	NOUN
ap-2216	86	7	system	system	NOUN
ap-2216	86	8	,	,	PUNCT
ap-2216	86	9	three	three	NUM
ap-2216	86	10	minutes	minute	NOUN
ap-2216	86	11	could	could	AUX
ap-2216	86	12	be	be	AUX
ap-2216	86	13	recorded	record	VERB
ap-2216	86	14	continuously	continuously	ADV
ap-2216	86	15	.	.	PUNCT
ap-2216	87	1	the	the	DET
ap-2216	87	2	resolution	resolution	NOUN
ap-2216	87	3	of	of	ADP
ap-2216	87	4	the	the	DET
ap-2216	87	5	camera	camera	NOUN
ap-2216	87	6	was	be	AUX
ap-2216	87	7	set	set	VERB
ap-2216	87	8	for	for	ADP
ap-2216	87	9	this	this	DET
ap-2216	87	10	recording	recording	NOUN
ap-2216	87	11	to	to	ADP
ap-2216	87	12	640	640	NUM
ap-2216	87	13	×	×	NOUN
ap-2216	87	14	480	480	NUM
ap-2216	87	15	pixels	pixel	NOUN
ap-2216	87	16	,	,	PUNCT
ap-2216	87	17	with	with	ADP
ap-2216	87	18	a	a	DET
ap-2216	87	19	sample	sample	NOUN
ap-2216	87	20	rate	rate	NOUN
ap-2216	87	21	of	of	ADP
ap-2216	87	22	15	15	NUM
ap-2216	87	23	frames	frame	NOUN
ap-2216	87	24	per	per	ADP
ap-2216	87	25	second	second	NOUN
ap-2216	87	26	.	.	PUNCT
ap-2216	88	1	2.2	2.2	NUM
ap-2216	88	2	.	.	PUNCT
ap-2216	89	1	preprocessing	preprocesse	VERB
ap-2216	89	2	the	the	DET
ap-2216	89	3	ppg	ppg	NOUN
ap-2216	89	4	signal	signal	NOUN
ap-2216	89	5	because	because	SCONJ
ap-2216	89	6	the	the	DET
ap-2216	89	7	ani	ani	NOUN
ap-2216	89	8	was	be	AUX
ap-2216	89	9	originally	originally	ADV
ap-2216	89	10	developed	develop	VERB
ap-2216	89	11	using	use	VERB
ap-2216	89	12	the	the	DET
ap-2216	89	13	ecg	ecg	PROPN
ap-2216	89	14	derived	derive	VERB
ap-2216	89	15	beat	beat	NOUN
ap-2216	89	16	-	-	PUNCT
ap-2216	89	17	to	to	ADP
ap-2216	89	18	-	-	PUNCT
ap-2216	89	19	beat	beat	NOUN
ap-2216	89	20	intervals	interval	NOUN
ap-2216	89	21	,	,	PUNCT
ap-2216	89	22	the	the	DET
ap-2216	89	23	most	most	ADV
ap-2216	89	24	important	important	ADJ
ap-2216	89	25	step	step	NOUN
ap-2216	89	26	was	be	AUX
ap-2216	89	27	to	to	PART
ap-2216	89	28	adapt	adapt	VERB
ap-2216	89	29	the	the	DET
ap-2216	89	30	beat	beat	NOUN
ap-2216	89	31	-	-	PUNCT
ap-2216	89	32	to	to	ADP
ap-2216	89	33	-	-	PUNCT
ap-2216	89	34	beat	beat	VERB
ap-2216	89	35	interval	interval	NOUN
ap-2216	89	36	computation	computation	NOUN
ap-2216	89	37	to	to	ADP
ap-2216	89	38	the	the	DET
ap-2216	89	39	ppg	ppg	PROPN
ap-2216	89	40	signal	signal	NOUN
ap-2216	89	41	.	.	PUNCT
ap-2216	90	1	the	the	DET
ap-2216	90	2	first	first	ADJ
ap-2216	90	3	step	step	NOUN
ap-2216	90	4	is	be	AUX
ap-2216	90	5	to	to	PART
ap-2216	90	6	estimate	estimate	VERB
ap-2216	90	7	the	the	DET
ap-2216	90	8	beatto	beatto	ADJ
ap-2216	90	9	-	-	PUNCT
ap-2216	90	10	beat	beat	NOUN
ap-2216	90	11	intervals	interval	NOUN
ap-2216	90	12	from	from	ADP
ap-2216	90	13	the	the	DET
ap-2216	90	14	ppg	ppg	NOUN
ap-2216	90	15	signal	signal	NOUN
ap-2216	90	16	.	.	PUNCT
ap-2216	91	1	this	this	PRON
ap-2216	91	2	was	be	AUX
ap-2216	91	3	done	do	VERB
ap-2216	91	4	using	use	VERB
ap-2216	91	5	a	a	DET
ap-2216	91	6	modified	modify	VERB
ap-2216	91	7	version	version	NOUN
ap-2216	91	8	of	of	ADP
ap-2216	91	9	the	the	DET
ap-2216	91	10	ppg	ppg	ADJ
ap-2216	91	11	-	-	PUNCT
ap-2216	91	12	adapted	adapt	VERB
ap-2216	91	13	adapit	adapit	NOUN
ap-2216	91	14	algorithm	algorithm	NOUN
ap-2216	91	15	[	[	X
ap-2216	91	16	14	14	NUM
ap-2216	91	17	]	]	PUNCT
ap-2216	91	18	with	with	ADP
ap-2216	91	19	the	the	DET
ap-2216	91	20	following	follow	VERB
ap-2216	91	21	steps	step	NOUN
ap-2216	91	22	,	,	PUNCT
ap-2216	91	23	according	accord	VERB
ap-2216	91	24	to	to	PART
ap-2216	91	25	figure	figure	VERB
ap-2216	91	26	2	2	NUM
ap-2216	91	27	:	:	PUNCT
ap-2216	91	28	(	(	PUNCT
ap-2216	91	29	1	1	NUM
ap-2216	91	30	.	.	PUNCT
ap-2216	91	31	)	)	PUNCT
ap-2216	92	1	a	a	DET
ap-2216	92	2	median	median	ADJ
ap-2216	92	3	filter	filter	NOUN
ap-2216	92	4	of	of	ADP
ap-2216	92	5	length	length	NOUN
ap-2216	92	6	550ms	550ms	NOUN
ap-2216	92	7	is	be	AUX
ap-2216	92	8	applied	apply	VERB
ap-2216	92	9	to	to	ADP
ap-2216	92	10	the	the	DET
ap-2216	92	11	original	original	ADJ
ap-2216	92	12	signal	signal	NOUN
ap-2216	92	13	(	(	PUNCT
ap-2216	92	14	figure	figure	NOUN
ap-2216	92	15	2.1	2.1	NUM
ap-2216	92	16	)	)	PUNCT
ap-2216	92	17	to	to	PART
ap-2216	92	18	determine	determine	VERB
ap-2216	92	19	the	the	DET
ap-2216	92	20	dc	dc	PROPN
ap-2216	92	21	offset	offset	NOUN
ap-2216	92	22	and	and	CCONJ
ap-2216	92	23	trend	trend	NOUN
ap-2216	92	24	of	of	ADP
ap-2216	92	25	the	the	DET
ap-2216	92	26	ppg	ppg	NOUN
ap-2216	92	27	signal	signal	NOUN
ap-2216	92	28	(	(	PUNCT
ap-2216	92	29	figure	figure	NOUN
ap-2216	92	30	2.2	2.2	NUM
ap-2216	92	31	)	)	PUNCT
ap-2216	92	32	.	.	PUNCT
ap-2216	93	1	(	(	PUNCT
ap-2216	93	2	2	2	NUM
ap-2216	93	3	.	.	PUNCT
ap-2216	93	4	)	)	PUNCT
ap-2216	94	1	the	the	DET
ap-2216	94	2	median	median	NOUN
ap-2216	94	3	filtered	filter	VERB
ap-2216	94	4	signal	signal	NOUN
ap-2216	94	5	is	be	AUX
ap-2216	94	6	subtracted	subtract	VERB
ap-2216	94	7	from	from	ADP
ap-2216	94	8	the	the	DET
ap-2216	94	9	original	original	ADJ
ap-2216	94	10	signal	signal	NOUN
ap-2216	94	11	in	in	ADP
ap-2216	94	12	order	order	NOUN
ap-2216	94	13	to	to	PART
ap-2216	94	14	eliminate	eliminate	VERB
ap-2216	94	15	the	the	DET
ap-2216	94	16	dc	dc	PROPN
ap-2216	94	17	offset	offset	NOUN
ap-2216	94	18	and	and	CCONJ
ap-2216	94	19	trend	trend	NOUN
ap-2216	94	20	of	of	ADP
ap-2216	94	21	the	the	DET
ap-2216	94	22	ppg	ppg	NOUN
ap-2216	94	23	signal	signal	NOUN
ap-2216	94	24	(	(	PUNCT
ap-2216	94	25	figure	figure	NOUN
ap-2216	94	26	2.3	2.3	NUM
ap-2216	94	27	)	)	PUNCT
ap-2216	94	28	.	.	PUNCT
ap-2216	95	1	figure	figure	VERB
ap-2216	95	2	3	3	NUM
ap-2216	95	3	.	.	NUM
ap-2216	95	4	selected	select	VERB
ap-2216	95	5	example	example	NOUN
ap-2216	95	6	of	of	ADP
ap-2216	95	7	a	a	DET
ap-2216	95	8	ppgi	ppgi	NOUN
ap-2216	95	9	image	image	NOUN
ap-2216	95	10	.	.	PUNCT
ap-2216	96	1	(	(	PUNCT
ap-2216	96	2	3	3	NUM
ap-2216	96	3	.	.	PUNCT
ap-2216	96	4	)	)	PUNCT
ap-2216	96	5	to	to	PART
ap-2216	96	6	filter	filter	VERB
ap-2216	96	7	out	out	ADP
ap-2216	96	8	invalid	invalid	ADJ
ap-2216	96	9	peaks	peak	NOUN
ap-2216	96	10	,	,	PUNCT
ap-2216	96	11	two	two	NUM
ap-2216	96	12	thresholds	threshold	NOUN
ap-2216	96	13	are	be	AUX
ap-2216	96	14	calculated	calculate	VERB
ap-2216	96	15	in	in	ADP
ap-2216	96	16	a	a	DET
ap-2216	96	17	seven	seven	NUM
ap-2216	96	18	-	-	PUNCT
ap-2216	96	19	second	second	ADV
ap-2216	96	20	-	-	PUNCT
ap-2216	96	21	long	long	ADJ
ap-2216	96	22	window	window	NOUN
ap-2216	96	23	(	(	PUNCT
ap-2216	96	24	figure	figure	NOUN
ap-2216	96	25	2.3	2.3	NUM
ap-2216	96	26	):	):	PUNCT
ap-2216	96	27	t1	t1	NOUN
ap-2216	96	28	=	=	SYM
ap-2216	96	29	2	2	NUM
ap-2216	96	30	×	×	NOUN
ap-2216	96	31	standard	standard	ADJ
ap-2216	96	32	deviation	deviation	NOUN
ap-2216	96	33	,	,	PUNCT
ap-2216	96	34	t2	t2	NOUN
ap-2216	96	35	=	=	SYM
ap-2216	96	36	3	3	NUM
ap-2216	96	37	×	×	NOUN
ap-2216	96	38	standard	standard	ADJ
ap-2216	96	39	deviation	deviation	NOUN
ap-2216	96	40	.	.	PUNCT
ap-2216	97	1	the	the	DET
ap-2216	97	2	first	first	ADJ
ap-2216	97	3	estimation	estimation	NOUN
ap-2216	97	4	of	of	ADP
ap-2216	97	5	peaks	peak	NOUN
ap-2216	97	6	results	result	NOUN
ap-2216	97	7	of	of	ADP
ap-2216	97	8	peaks	peak	NOUN
ap-2216	97	9	greater	great	ADJ
ap-2216	97	10	than	than	ADP
ap-2216	97	11	t2	t2	NOUN
ap-2216	97	12	.	.	PUNCT
ap-2216	98	1	(	(	PUNCT
ap-2216	98	2	4	4	NUM
ap-2216	98	3	.	.	PUNCT
ap-2216	98	4	)	)	PUNCT
ap-2216	99	1	the	the	DET
ap-2216	99	2	third	third	ADJ
ap-2216	99	3	threshold	threshold	NOUN
ap-2216	99	4	is	be	AUX
ap-2216	99	5	t3	t3	NOUN
ap-2216	99	6	=	=	NUM
ap-2216	99	7	0.8	0.8	NUM
ap-2216	99	8	×	×	NOUN
ap-2216	99	9	standard	standard	ADJ
ap-2216	99	10	deviation	deviation	NOUN
ap-2216	99	11	of	of	ADP
ap-2216	99	12	the	the	DET
ap-2216	99	13	resulting	result	VERB
ap-2216	99	14	signal	signal	NOUN
ap-2216	99	15	.	.	PUNCT
ap-2216	100	1	(	(	PUNCT
ap-2216	100	2	5	5	NUM
ap-2216	100	3	.	.	PUNCT
ap-2216	100	4	)	)	PUNCT
ap-2216	101	1	all	all	DET
ap-2216	101	2	peaks	peak	NOUN
ap-2216	101	3	not	not	PART
ap-2216	101	4	within	within	ADP
ap-2216	101	5	the	the	DET
ap-2216	101	6	threshold	threshold	NOUN
ap-2216	101	7	are	be	AUX
ap-2216	101	8	invalid	invalid	ADJ
ap-2216	101	9	.	.	PUNCT
ap-2216	102	1	(	(	PUNCT
ap-2216	102	2	6	6	NUM
ap-2216	102	3	.	.	PUNCT
ap-2216	102	4	)	)	PUNCT
ap-2216	103	1	a	a	DET
ap-2216	103	2	standard	standard	ADJ
ap-2216	103	3	peak	peak	NOUN
ap-2216	103	4	detection	detection	NOUN
ap-2216	103	5	algorithm	algorithm	NOUN
ap-2216	103	6	is	be	AUX
ap-2216	103	7	used	use	VERB
ap-2216	103	8	to	to	PART
ap-2216	103	9	detect	detect	VERB
ap-2216	103	10	the	the	DET
ap-2216	103	11	maxima	maxima	NOUN
ap-2216	103	12	of	of	ADP
ap-2216	103	13	the	the	DET
ap-2216	103	14	resulting	result	VERB
ap-2216	103	15	signal	signal	NOUN
ap-2216	103	16	(	(	PUNCT
ap-2216	103	17	figure	figure	NOUN
ap-2216	103	18	2.4	2.4	NUM
ap-2216	103	19	)	)	PUNCT
ap-2216	103	20	.	.	PUNCT
ap-2216	104	1	(	(	PUNCT
ap-2216	104	2	7	7	NUM
ap-2216	104	3	.	.	PUNCT
ap-2216	104	4	)	)	PUNCT
ap-2216	104	5	figure	figure	VERB
ap-2216	104	6	2.5	2.5	NUM
ap-2216	104	7	shows	show	VERB
ap-2216	104	8	the	the	DET
ap-2216	104	9	detected	detect	VERB
ap-2216	104	10	peaks	peak	NOUN
ap-2216	104	11	can	can	AUX
ap-2216	104	12	be	be	AUX
ap-2216	104	13	seen	see	VERB
ap-2216	104	14	together	together	ADV
ap-2216	104	15	with	with	ADP
ap-2216	104	16	the	the	DET
ap-2216	104	17	original	original	ADJ
ap-2216	104	18	signal	signal	NOUN
ap-2216	104	19	.	.	PUNCT
ap-2216	105	1	now	now	ADV
ap-2216	105	2	the	the	DET
ap-2216	105	3	distance	distance	NOUN
ap-2216	105	4	between	between	ADP
ap-2216	105	5	the	the	DET
ap-2216	105	6	peaks	peak	NOUN
ap-2216	105	7	can	can	AUX
ap-2216	105	8	be	be	AUX
ap-2216	105	9	determined	determine	VERB
ap-2216	105	10	in	in	ADP
ap-2216	105	11	order	order	NOUN
ap-2216	105	12	to	to	PART
ap-2216	105	13	estimate	estimate	VERB
ap-2216	105	14	the	the	DET
ap-2216	105	15	ani	ani	NOUN
ap-2216	105	16	,	,	PUNCT
ap-2216	105	17	as	as	SCONJ
ap-2216	105	18	described	describe	VERB
ap-2216	105	19	in	in	ADP
ap-2216	105	20	section	section	NOUN
ap-2216	105	21	1.2	1.2	NUM
ap-2216	105	22	and	and	CCONJ
ap-2216	105	23	[	[	X
ap-2216	105	24	7	7	NUM
ap-2216	105	25	]	]	PUNCT
ap-2216	105	26	.	.	PUNCT
ap-2216	106	1	2.3	2.3	NUM
ap-2216	106	2	.	.	PUNCT
ap-2216	107	1	preprocessing	preprocesse	VERB
ap-2216	107	2	the	the	DET
ap-2216	107	3	ppgi	ppgi	NOUN
ap-2216	107	4	signal	signal	NOUN
ap-2216	107	5	first	first	ADV
ap-2216	107	6	,	,	PUNCT
ap-2216	107	7	the	the	DET
ap-2216	107	8	ppgi	ppgi	NOUN
ap-2216	107	9	signal	signal	NOUN
ap-2216	107	10	must	must	AUX
ap-2216	107	11	be	be	AUX
ap-2216	107	12	extracted	extract	VERB
ap-2216	107	13	from	from	ADP
ap-2216	107	14	the	the	DET
ap-2216	107	15	ppgi	ppgi	NOUN
ap-2216	107	16	video	video	NOUN
ap-2216	107	17	signal	signal	NOUN
ap-2216	107	18	.	.	PUNCT
ap-2216	108	1	in	in	ADP
ap-2216	108	2	the	the	DET
ap-2216	108	3	context	context	NOUN
ap-2216	108	4	of	of	ADP
ap-2216	108	5	the	the	DET
ap-2216	108	6	animal	animal	NOUN
ap-2216	108	7	trial	trial	NOUN
ap-2216	108	8	,	,	PUNCT
ap-2216	108	9	this	this	PRON
ap-2216	108	10	was	be	AUX
ap-2216	108	11	done	do	VERB
ap-2216	108	12	setting	set	VERB
ap-2216	108	13	up	up	ADP
ap-2216	108	14	a	a	DET
ap-2216	108	15	fixed	fixed	ADJ
ap-2216	108	16	region	region	NOUN
ap-2216	108	17	of	of	ADP
ap-2216	108	18	interest	interest	NOUN
ap-2216	108	19	(	(	PUNCT
ap-2216	108	20	roi	roi	NOUN
ap-2216	108	21	)	)	PUNCT
ap-2216	108	22	,	,	PUNCT
ap-2216	108	23	as	as	SCONJ
ap-2216	108	24	shown	show	VERB
ap-2216	108	25	in	in	ADP
ap-2216	108	26	figure	figure	NOUN
ap-2216	108	27	3	3	NUM
ap-2216	108	28	.	.	PUNCT
ap-2216	109	1	a	a	DET
ap-2216	109	2	fixed	fix	VERB
ap-2216	109	3	roi	roi	NOUN
ap-2216	109	4	can	can	AUX
ap-2216	109	5	be	be	AUX
ap-2216	109	6	used	use	VERB
ap-2216	109	7	,	,	PUNCT
ap-2216	109	8	because	because	SCONJ
ap-2216	109	9	the	the	DET
ap-2216	109	10	pig	pig	NOUN
ap-2216	109	11	is	be	AUX
ap-2216	109	12	sedated	sedate	VERB
ap-2216	109	13	and	and	CCONJ
ap-2216	109	14	the	the	DET
ap-2216	109	15	camera	camera	NOUN
ap-2216	109	16	is	be	AUX
ap-2216	109	17	mounted	mount	VERB
ap-2216	109	18	in	in	ADP
ap-2216	109	19	a	a	DET
ap-2216	109	20	fixed	fix	VERB
ap-2216	109	21	position	position	NOUN
ap-2216	109	22	.	.	PUNCT
ap-2216	110	1	therefore	therefore	ADV
ap-2216	110	2	,	,	PUNCT
ap-2216	110	3	movement	movement	NOUN
ap-2216	110	4	artifacts	artifact	NOUN
ap-2216	110	5	are	be	AUX
ap-2216	110	6	suspended	suspend	VERB
ap-2216	110	7	.	.	PUNCT
ap-2216	111	1	the	the	DET
ap-2216	111	2	video	video	NOUN
ap-2216	111	3	signal	signal	NOUN
ap-2216	111	4	was	be	AUX
ap-2216	111	5	filtered	filter	VERB
ap-2216	111	6	within	within	ADP
ap-2216	111	7	the	the	DET
ap-2216	111	8	region	region	NOUN
ap-2216	111	9	of	of	ADP
ap-2216	111	10	interest	interest	NOUN
ap-2216	111	11	using	use	VERB
ap-2216	111	12	a	a	DET
ap-2216	111	13	2d	2d	NUM
ap-2216	111	14	median	median	ADJ
ap-2216	111	15	filter	filter	NOUN
ap-2216	111	16	.	.	PUNCT
ap-2216	112	1	the	the	DET
ap-2216	112	2	extracted	extract	VERB
ap-2216	112	3	ppgi	ppgi	NOUN
ap-2216	112	4	signal	signal	NOUN
ap-2216	112	5	has	have	VERB
ap-2216	112	6	a	a	DET
ap-2216	112	7	sample	sample	NOUN
ap-2216	112	8	rate	rate	NOUN
ap-2216	112	9	of	of	ADP
ap-2216	112	10	15	15	NUM
ap-2216	112	11	samples	sample	NOUN
ap-2216	112	12	per	per	ADP
ap-2216	112	13	second	second	NOUN
ap-2216	112	14	,	,	PUNCT
ap-2216	112	15	as	as	SCONJ
ap-2216	112	16	this	this	PRON
ap-2216	112	17	is	be	AUX
ap-2216	112	18	the	the	DET
ap-2216	112	19	frame	frame	NOUN
ap-2216	112	20	rate	rate	NOUN
ap-2216	112	21	of	of	ADP
ap-2216	112	22	the	the	DET
ap-2216	112	23	ppgi	ppgi	NOUN
ap-2216	112	24	camera	camera	NOUN
ap-2216	112	25	.	.	PUNCT
ap-2216	113	1	for	for	ADP
ap-2216	113	2	heart	heart	NOUN
ap-2216	113	3	rate	rate	NOUN
ap-2216	113	4	variability	variability	NOUN
ap-2216	113	5	computation	computation	NOUN
ap-2216	113	6	,	,	PUNCT
ap-2216	113	7	exact	exact	ADJ
ap-2216	113	8	determination	determination	NOUN
ap-2216	113	9	of	of	ADP
ap-2216	113	10	the	the	DET
ap-2216	113	11	hrv	hrv	NOUN
ap-2216	113	12	is	be	AUX
ap-2216	113	13	essential	essential	ADJ
ap-2216	113	14	.	.	PUNCT
ap-2216	114	1	therefore	therefore	ADV
ap-2216	114	2	,	,	PUNCT
ap-2216	114	3	15	15	NUM
ap-2216	114	4	samples	sample	NOUN
ap-2216	114	5	per	per	ADP
ap-2216	114	6	second	second	NOUN
ap-2216	114	7	are	be	AUX
ap-2216	114	8	not	not	PART
ap-2216	114	9	sufficient	sufficient	ADJ
ap-2216	114	10	and	and	CCONJ
ap-2216	114	11	the	the	DET
ap-2216	114	12	signal	signal	NOUN
ap-2216	114	13	is	be	AUX
ap-2216	114	14	interpolated	interpolate	VERB
ap-2216	114	15	to	to	ADP
ap-2216	114	16	125hz	125hz	PROPN
ap-2216	114	17	,	,	PUNCT
ap-2216	114	18	which	which	PRON
ap-2216	114	19	is	be	AUX
ap-2216	114	20	equal	equal	ADJ
ap-2216	114	21	to	to	ADP
ap-2216	114	22	the	the	DET
ap-2216	114	23	sample	sample	NOUN
ap-2216	114	24	rate	rate	NOUN
ap-2216	114	25	of	of	ADP
ap-2216	114	26	the	the	DET
ap-2216	114	27	measured	measure	VERB
ap-2216	114	28	ppg	ppg	NOUN
ap-2216	114	29	signal	signal	NOUN
ap-2216	114	30	.	.	PUNCT
ap-2216	115	1	a	a	DET
ap-2216	115	2	simple	simple	ADJ
ap-2216	115	3	spline	spline	NOUN
ap-2216	115	4	interpolation	interpolation	NOUN
ap-2216	115	5	was	be	AUX
ap-2216	115	6	used	use	VERB
ap-2216	115	7	,	,	PUNCT
ap-2216	115	8	because	because	SCONJ
ap-2216	115	9	this	this	PRON
ap-2216	115	10	matches	match	VERB
ap-2216	115	11	the	the	DET
ap-2216	115	12	characteristics	characteristic	NOUN
ap-2216	115	13	of	of	ADP
ap-2216	115	14	the	the	DET
ap-2216	115	15	ppg	ppg	NOUN
ap-2216	115	16	signal	signal	VERB
ap-2216	115	17	much	much	ADJ
ap-2216	115	18	277	277	NUM
ap-2216	115	19	m.	m.	NOUN
ap-2216	115	20	koeny	koeny	NOUN
ap-2216	115	21	,	,	PUNCT
ap-2216	115	22	n.	n.	PROPN
ap-2216	115	23	blanik	blanik	PROPN
ap-2216	115	24	,	,	PUNCT
ap-2216	115	25	x.	x.	PROPN
ap-2216	115	26	yu	yu	PROPN
ap-2216	115	27	et	et	PROPN
ap-2216	115	28	al	al	PROPN
ap-2216	115	29	.	.	PROPN
ap-2216	115	30	acta	acta	PROPN
ap-2216	115	31	polytechnica	polytechnica	PROPN
ap-2216	115	32	-1	-1	PROPN
ap-2216	115	33	0	0	NUM
ap-2216	115	34	1	1	NUM
ap-2216	115	35	2	2	NUM
ap-2216	115	36	3	3	NUM
ap-2216	115	37	4	4	NUM
ap-2216	115	38	5	5	NUM
ap-2216	115	39	6	6	NUM
ap-2216	115	40	ecg	ecg	PROPN
ap-2216	115	41	signal	signal	PROPN
ap-2216	115	42	ppg	ppg	PROPN
ap-2216	115	43	signal	signal	NOUN
ap-2216	115	44	time	time	NOUN
ap-2216	115	45	[	[	X
ap-2216	115	46	s	s	X
ap-2216	115	47	]	]	X
ap-2216	115	48	figure	figure	NOUN
ap-2216	115	49	4	4	NUM
ap-2216	115	50	.	.	NOUN
ap-2216	115	51	example	example	NOUN
ap-2216	115	52	of	of	ADP
ap-2216	115	53	an	an	DET
ap-2216	115	54	ecg	ecg	PROPN
ap-2216	115	55	and	and	CCONJ
ap-2216	115	56	a	a	DET
ap-2216	115	57	ppg	ppg	NOUN
ap-2216	115	58	signal	signal	NOUN
ap-2216	115	59	with	with	ADP
ap-2216	115	60	a	a	DET
ap-2216	115	61	time	time	NOUN
ap-2216	115	62	-	-	PUNCT
ap-2216	115	63	delay	delay	NOUN
ap-2216	115	64	.	.	PUNCT
ap-2216	116	1	figure	figure	NOUN
ap-2216	116	2	5	5	NUM
ap-2216	116	3	.	.	PUNCT
ap-2216	117	1	interpolated	interpolate	VERB
ap-2216	117	2	vs.	vs.	ADP
ap-2216	117	3	non	non	ADJ
ap-2216	117	4	-	-	ADJ
ap-2216	117	5	interpolated	interpolated	ADJ
ap-2216	117	6	ppgi	ppgi	NOUN
ap-2216	117	7	signal	signal	NOUN
ap-2216	117	8	.	.	PUNCT
ap-2216	118	1	better	well	ADJ
ap-2216	118	2	than	than	ADP
ap-2216	118	3	a	a	DET
ap-2216	118	4	linear	linear	ADJ
ap-2216	118	5	interpolation	interpolation	NOUN
ap-2216	118	6	.	.	PUNCT
ap-2216	119	1	figure	figure	NOUN
ap-2216	119	2	5	5	NUM
ap-2216	119	3	shows	show	VERB
ap-2216	119	4	the	the	DET
ap-2216	119	5	original	original	ADJ
ap-2216	119	6	extracted	extract	VERB
ap-2216	119	7	signal	signal	NOUN
ap-2216	119	8	and	and	CCONJ
ap-2216	119	9	the	the	DET
ap-2216	119	10	up	up	ADV
ap-2216	119	11	-	-	PUNCT
ap-2216	119	12	sampled	sample	VERB
ap-2216	119	13	signal	signal	NOUN
ap-2216	119	14	.	.	PUNCT
ap-2216	120	1	the	the	DET
ap-2216	120	2	interpolated	interpolate	VERB
ap-2216	120	3	ppgi	ppgi	NOUN
ap-2216	120	4	signal	signal	NOUN
ap-2216	120	5	is	be	AUX
ap-2216	120	6	handled	handle	VERB
ap-2216	120	7	like	like	ADP
ap-2216	120	8	the	the	DET
ap-2216	120	9	regular	regular	ADJ
ap-2216	120	10	ppg	ppg	NOUN
ap-2216	120	11	signal	signal	NOUN
ap-2216	120	12	for	for	ADP
ap-2216	120	13	further	further	ADJ
ap-2216	120	14	processing	processing	NOUN
ap-2216	120	15	steps	step	NOUN
ap-2216	120	16	.	.	PUNCT
ap-2216	121	1	the	the	DET
ap-2216	121	2	ppgi	ppgi	NOUN
ap-2216	121	3	signal	signal	NOUN
ap-2216	121	4	was	be	AUX
ap-2216	121	5	at	at	ADP
ap-2216	121	6	least	least	ADJ
ap-2216	121	7	limited	limit	VERB
ap-2216	121	8	to	to	ADP
ap-2216	121	9	three	three	NUM
ap-2216	121	10	minutes	minute	NOUN
ap-2216	121	11	,	,	PUNCT
ap-2216	121	12	due	due	ADP
ap-2216	121	13	to	to	ADP
ap-2216	121	14	restrictions	restriction	NOUN
ap-2216	121	15	of	of	ADP
ap-2216	121	16	the	the	DET
ap-2216	121	17	recording	recording	NOUN
ap-2216	121	18	system	system	NOUN
ap-2216	121	19	used	use	VERB
ap-2216	121	20	in	in	ADP
ap-2216	121	21	the	the	DET
ap-2216	121	22	study	study	NOUN
ap-2216	121	23	.	.	PUNCT
ap-2216	122	1	ani	ani	NOUN
ap-2216	122	2	computation	computation	NOUN
ap-2216	122	3	is	be	AUX
ap-2216	122	4	not	not	PART
ap-2216	122	5	reliable	reliable	ADJ
ap-2216	122	6	in	in	ADP
ap-2216	122	7	this	this	DET
ap-2216	122	8	context	context	NOUN
ap-2216	122	9	.	.	PUNCT
ap-2216	123	1	in	in	ADP
ap-2216	123	2	addition	addition	NOUN
ap-2216	123	3	,	,	PUNCT
ap-2216	123	4	the	the	DET
ap-2216	123	5	pig	pig	NOUN
ap-2216	123	6	was	be	AUX
ap-2216	123	7	ventilated	ventilate	VERB
ap-2216	123	8	with	with	ADP
ap-2216	123	9	up	up	ADP
ap-2216	123	10	to	to	PART
ap-2216	123	11	40	40	NUM
ap-2216	123	12	breaths	breath	NOUN
ap-2216	123	13	per	per	ADP
ap-2216	123	14	minute	minute	NOUN
ap-2216	123	15	,	,	PUNCT
ap-2216	123	16	while	while	SCONJ
ap-2216	123	17	the	the	DET
ap-2216	123	18	filter	filter	NOUN
ap-2216	123	19	of	of	ADP
ap-2216	123	20	the	the	DET
ap-2216	123	21	hrv	hrv	NOUN
ap-2216	123	22	is	be	AUX
ap-2216	123	23	set	set	VERB
ap-2216	123	24	to	to	ADP
ap-2216	123	25	0.15	0.15	NUM
ap-2216	123	26	–	–	PUNCT
ap-2216	123	27	0.5hz	0.5hz	NUM
ap-2216	123	28	,	,	PUNCT
ap-2216	123	29	according	accord	VERB
ap-2216	123	30	to	to	ADP
ap-2216	123	31	ani	ani	NOUN
ap-2216	123	32	specification	specification	NOUN
ap-2216	123	33	.	.	PUNCT
ap-2216	124	1	thus	thus	ADV
ap-2216	124	2	,	,	PUNCT
ap-2216	124	3	the	the	DET
ap-2216	124	4	ani	ani	NOUN
ap-2216	124	5	would	would	AUX
ap-2216	124	6	not	not	PART
ap-2216	124	7	be	be	AUX
ap-2216	124	8	valid	valid	ADJ
ap-2216	124	9	.	.	PUNCT
ap-2216	125	1	therefore	therefore	ADV
ap-2216	125	2	,	,	PUNCT
ap-2216	125	3	in	in	ADP
ap-2216	125	4	the	the	DET
ap-2216	125	5	following	follow	VERB
ap-2216	125	6	results	result	NOUN
ap-2216	125	7	only	only	ADV
ap-2216	125	8	the	the	DET
ap-2216	125	9	rr	rr	NOUN
ap-2216	125	10	-	-	PUNCT
ap-2216	125	11	intervals	interval	NOUN
ap-2216	125	12	are	be	AUX
ap-2216	125	13	considered	consider	VERB
ap-2216	125	14	and	and	CCONJ
ap-2216	125	15	are	be	AUX
ap-2216	125	16	compared	compare	VERB
ap-2216	125	17	with	with	ADP
ap-2216	125	18	the	the	DET
ap-2216	125	19	ecg	ecg	PROPN
ap-2216	125	20	and	and	CCONJ
ap-2216	125	21	ppg	ppg	PROPN
ap-2216	125	22	rr	rr	NOUN
ap-2216	125	23	-	-	NOUN
ap-2216	125	24	intervals	interval	NOUN
ap-2216	125	25	.	.	PUNCT
ap-2216	126	1	3	3	X
ap-2216	126	2	.	.	NOUN
ap-2216	126	3	results	result	VERB
ap-2216	126	4	3.1	3.1	NUM
ap-2216	126	5	.	.	PUNCT
ap-2216	126	6	comparison	comparison	NOUN
ap-2216	126	7	of	of	ADP
ap-2216	126	8	ecg	ecg	PROPN
ap-2216	126	9	,	,	PUNCT
ap-2216	126	10	ppg	ppg	NOUN
ap-2216	126	11	and	and	CCONJ
ap-2216	126	12	ppgi	ppgi	NOUN
ap-2216	126	13	signals	signal	NOUN
ap-2216	126	14	it	it	PRON
ap-2216	126	15	is	be	AUX
ap-2216	126	16	clearly	clearly	ADV
ap-2216	126	17	understandable	understandable	ADJ
ap-2216	126	18	that	that	SCONJ
ap-2216	126	19	the	the	DET
ap-2216	126	20	heart	heart	NOUN
ap-2216	126	21	rates	rate	NOUN
ap-2216	126	22	of	of	ADP
ap-2216	126	23	the	the	DET
ap-2216	126	24	different	different	ADJ
ap-2216	126	25	signals	signal	NOUN
ap-2216	126	26	correlate	correlate	VERB
ap-2216	126	27	.	.	PUNCT
ap-2216	127	1	of	of	ADP
ap-2216	127	2	course	course	NOUN
ap-2216	127	3	,	,	PUNCT
ap-2216	127	4	there	there	PRON
ap-2216	127	5	is	be	VERB
ap-2216	127	6	a	a	DET
ap-2216	127	7	short	short	ADJ
ap-2216	127	8	time	time	NOUN
ap-2216	127	9	-	-	PUNCT
ap-2216	127	10	delay	delay	NOUN
ap-2216	127	11	between	between	ADP
ap-2216	127	12	the	the	DET
ap-2216	127	13	r	r	NOUN
ap-2216	127	14	-	-	PUNCT
ap-2216	127	15	peaks	peak	NOUN
ap-2216	127	16	of	of	ADP
ap-2216	127	17	the	the	DET
ap-2216	127	18	ecg	ecg	PROPN
ap-2216	127	19	and	and	CCONJ
ap-2216	127	20	the	the	DET
ap-2216	127	21	maximum	maximum	NOUN
ap-2216	127	22	of	of	ADP
ap-2216	127	23	the	the	DET
ap-2216	127	24	ppg	ppg	NOUN
ap-2216	127	25	signal	signal	NOUN
ap-2216	127	26	,	,	PUNCT
ap-2216	127	27	see	see	VERB
ap-2216	127	28	figure	figure	NOUN
ap-2216	127	29	4	4	NUM
ap-2216	127	30	.	.	PUNCT
ap-2216	128	1	there	there	PRON
ap-2216	128	2	are	be	VERB
ap-2216	128	3	various	various	ADJ
ap-2216	128	4	reasons	reason	NOUN
ap-2216	128	5	for	for	ADP
ap-2216	128	6	the	the	DET
ap-2216	128	7	short	short	ADJ
ap-2216	128	8	time	time	NOUN
ap-2216	128	9	delay	delay	NOUN
ap-2216	128	10	.	.	PUNCT
ap-2216	129	1	physiologically	physiologically	ADV
ap-2216	129	2	,	,	PUNCT
ap-2216	129	3	the	the	DET
ap-2216	129	4	time	time	NOUN
ap-2216	129	5	delay	delay	NOUN
ap-2216	129	6	is	be	AUX
ap-2216	129	7	caused	cause	VERB
ap-2216	129	8	by	by	ADP
ap-2216	129	9	the	the	DET
ap-2216	129	10	pulse	pulse	NOUN
ap-2216	129	11	transition	transition	NOUN
ap-2216	129	12	time	time	NOUN
ap-2216	129	13	from	from	ADP
ap-2216	129	14	the	the	DET
ap-2216	129	15	heart	heart	NOUN
ap-2216	129	16	to	to	ADP
ap-2216	129	17	the	the	DET
ap-2216	129	18	fingers	finger	NOUN
ap-2216	129	19	.	.	PUNCT
ap-2216	130	1	this	this	DET
ap-2216	130	2	delay	delay	NOUN
ap-2216	130	3	is	be	AUX
ap-2216	130	4	dependent	dependent	ADJ
ap-2216	130	5	on	on	ADP
ap-2216	130	6	cardiovascular	cardiovascular	ADJ
ap-2216	130	7	factors	factor	NOUN
ap-2216	130	8	,	,	PUNCT
ap-2216	130	9	e.g.	e.g.	ADV
ap-2216	130	10	,	,	PUNCT
ap-2216	130	11	blood	blood	NOUN
ap-2216	130	12	pressure	pressure	NOUN
ap-2216	130	13	.	.	PUNCT
ap-2216	131	1	the	the	DET
ap-2216	131	2	other	other	ADJ
ap-2216	131	3	time	time	NOUN
ap-2216	131	4	delay	delay	NOUN
ap-2216	131	5	is	be	AUX
ap-2216	131	6	due	due	ADJ
ap-2216	131	7	to	to	ADP
ap-2216	131	8	technical	technical	ADJ
ap-2216	131	9	reasons	reason	NOUN
ap-2216	131	10	.	.	PUNCT
ap-2216	132	1	depending	depend	VERB
ap-2216	132	2	on	on	ADP
ap-2216	132	3	the	the	DET
ap-2216	132	4	device	device	NOUN
ap-2216	132	5	,	,	PUNCT
ap-2216	132	6	the	the	DET
ap-2216	132	7	time	time	NOUN
ap-2216	132	8	delay	delay	NOUN
ap-2216	132	9	of	of	ADP
ap-2216	132	10	the	the	DET
ap-2216	132	11	signal	signal	ADJ
ap-2216	132	12	filter	filter	NOUN
ap-2216	132	13	of	of	ADP
ap-2216	132	14	each	each	DET
ap-2216	132	15	signal	signal	NOUN
ap-2216	132	16	differs	differ	NOUN
ap-2216	132	17	.	.	PUNCT
ap-2216	133	1	there	there	PRON
ap-2216	133	2	can	can	AUX
ap-2216	133	3	also	also	ADV
ap-2216	133	4	be	be	AUX
ap-2216	133	5	a	a	DET
ap-2216	133	6	time	time	NOUN
ap-2216	133	7	shift	shift	NOUN
ap-2216	133	8	,	,	PUNCT
ap-2216	133	9	if	if	SCONJ
ap-2216	133	10	the	the	DET
ap-2216	133	11	two	two	NUM
ap-2216	133	12	signals	signal	NOUN
ap-2216	133	13	are	be	AUX
ap-2216	133	14	acquired	acquire	VERB
ap-2216	133	15	by	by	ADP
ap-2216	133	16	different	different	ADJ
ap-2216	133	17	devices	device	NOUN
ap-2216	133	18	.	.	PUNCT
ap-2216	134	1	for	for	ADP
ap-2216	134	2	example	example	NOUN
ap-2216	134	3	,	,	PUNCT
ap-2216	134	4	the	the	DET
ap-2216	134	5	ecg	ecg	PROPN
ap-2216	134	6	is	be	AUX
ap-2216	134	7	received	receive	VERB
ap-2216	134	8	from	from	ADP
ap-2216	134	9	a	a	DET
ap-2216	134	10	figure	figure	NOUN
ap-2216	134	11	6	6	NUM
ap-2216	134	12	.	.	PUNCT
ap-2216	134	13	hrv	hrv	NOUN
ap-2216	134	14	signals	signal	NOUN
ap-2216	134	15	of	of	ADP
ap-2216	134	16	ecg	ecg	PROPN
ap-2216	134	17	,	,	PUNCT
ap-2216	134	18	ppg	ppg	NOUN
ap-2216	134	19	and	and	CCONJ
ap-2216	134	20	ppgi	ppgi	NOUN
ap-2216	134	21	.	.	PUNCT
ap-2216	135	1	patient	patient	ADJ
ap-2216	135	2	monitor	monitor	NOUN
ap-2216	135	3	and	and	CCONJ
ap-2216	135	4	the	the	DET
ap-2216	135	5	ppg	ppg	NOUN
ap-2216	135	6	from	from	ADP
ap-2216	135	7	a	a	DET
ap-2216	135	8	special	special	ADJ
ap-2216	135	9	optimized	optimize	VERB
ap-2216	135	10	ppg	ppg	NOUN
ap-2216	135	11	device	device	NOUN
ap-2216	135	12	.	.	PUNCT
ap-2216	136	1	for	for	ADP
ap-2216	136	2	computation	computation	NOUN
ap-2216	136	3	of	of	ADP
ap-2216	136	4	the	the	DET
ap-2216	136	5	hrv	hrv	NOUN
ap-2216	136	6	,	,	PUNCT
ap-2216	136	7	the	the	DET
ap-2216	136	8	time	time	NOUN
ap-2216	136	9	delay	delay	NOUN
ap-2216	136	10	can	can	AUX
ap-2216	136	11	be	be	AUX
ap-2216	136	12	ignored	ignore	VERB
ap-2216	136	13	,	,	PUNCT
ap-2216	136	14	because	because	SCONJ
ap-2216	136	15	it	it	PRON
ap-2216	136	16	is	be	AUX
ap-2216	136	17	only	only	ADV
ap-2216	136	18	up	up	ADP
ap-2216	136	19	to	to	ADP
ap-2216	136	20	one	one	NUM
ap-2216	136	21	second	second	NOUN
ap-2216	136	22	under	under	ADP
ap-2216	136	23	normal	normal	ADJ
ap-2216	136	24	conditions	condition	NOUN
ap-2216	136	25	.	.	PUNCT
ap-2216	137	1	this	this	PRON
ap-2216	137	2	does	do	AUX
ap-2216	137	3	not	not	PART
ap-2216	137	4	influence	influence	VERB
ap-2216	137	5	ani	ani	NOUN
ap-2216	137	6	computation	computation	NOUN
ap-2216	137	7	.	.	PUNCT
ap-2216	138	1	the	the	DET
ap-2216	138	2	ppgi	ppgi	NOUN
ap-2216	138	3	signal	signal	NOUN
ap-2216	138	4	is	be	AUX
ap-2216	138	5	also	also	ADV
ap-2216	138	6	delayed	delay	VERB
ap-2216	138	7	.	.	PUNCT
ap-2216	139	1	in	in	ADP
ap-2216	139	2	addition	addition	NOUN
ap-2216	139	3	to	to	ADP
ap-2216	139	4	the	the	DET
ap-2216	139	5	delay	delay	NOUN
ap-2216	139	6	caused	cause	VERB
ap-2216	139	7	by	by	ADP
ap-2216	139	8	signal	signal	NOUN
ap-2216	139	9	processing	processing	NOUN
ap-2216	139	10	and	and	CCONJ
ap-2216	139	11	filtering	filtering	NOUN
ap-2216	139	12	,	,	PUNCT
ap-2216	139	13	the	the	DET
ap-2216	139	14	delay	delay	NOUN
ap-2216	139	15	is	be	AUX
ap-2216	139	16	dependent	dependent	ADJ
ap-2216	139	17	on	on	ADP
ap-2216	139	18	the	the	DET
ap-2216	139	19	same	same	ADJ
ap-2216	139	20	physiological	physiological	ADJ
ap-2216	139	21	factors	factor	NOUN
ap-2216	139	22	as	as	ADP
ap-2216	139	23	the	the	DET
ap-2216	139	24	regular	regular	ADJ
ap-2216	139	25	ppg	ppg	NOUN
ap-2216	139	26	signal	signal	NOUN
ap-2216	139	27	.	.	PUNCT
ap-2216	140	1	of	of	ADP
ap-2216	140	2	course	course	NOUN
ap-2216	140	3	,	,	PUNCT
ap-2216	140	4	it	it	PRON
ap-2216	140	5	also	also	ADV
ap-2216	140	6	depends	depend	VERB
ap-2216	140	7	on	on	ADP
ap-2216	140	8	the	the	DET
ap-2216	140	9	region	region	NOUN
ap-2216	140	10	that	that	PRON
ap-2216	140	11	is	be	AUX
ap-2216	140	12	recorded	record	VERB
ap-2216	140	13	or	or	CCONJ
ap-2216	140	14	that	that	SCONJ
ap-2216	140	15	the	the	DET
ap-2216	140	16	roi	roi	NOUN
ap-2216	140	17	is	be	AUX
ap-2216	140	18	focused	focus	VERB
ap-2216	140	19	on	on	ADP
ap-2216	140	20	.	.	PROPN
ap-2216	140	21	3.2	3.2	NUM
ap-2216	140	22	.	.	PUNCT
ap-2216	140	23	comparing	compare	VERB
ap-2216	140	24	heart	heart	NOUN
ap-2216	140	25	rate	rate	NOUN
ap-2216	140	26	variability	variability	NOUN
ap-2216	140	27	in	in	ADP
ap-2216	140	28	addition	addition	NOUN
ap-2216	140	29	to	to	ADP
ap-2216	140	30	the	the	DET
ap-2216	140	31	time	time	NOUN
ap-2216	140	32	delay	delay	NOUN
ap-2216	140	33	between	between	ADP
ap-2216	140	34	the	the	DET
ap-2216	140	35	ecg	ecg	PROPN
ap-2216	140	36	signal	signal	NOUN
ap-2216	140	37	and	and	CCONJ
ap-2216	140	38	the	the	DET
ap-2216	140	39	ppg	ppg	NOUN
ap-2216	140	40	signal	signal	NOUN
ap-2216	140	41	,	,	PUNCT
ap-2216	140	42	the	the	DET
ap-2216	140	43	sample	sample	NOUN
ap-2216	140	44	times	time	NOUN
ap-2216	140	45	of	of	ADP
ap-2216	140	46	the	the	DET
ap-2216	140	47	ecg	ecg	PROPN
ap-2216	140	48	and	and	CCONJ
ap-2216	140	49	ppg	ppg	PROPN
ap-2216	140	50	signals	signal	NOUN
ap-2216	140	51	,	,	PUNCT
ap-2216	140	52	are	be	AUX
ap-2216	140	53	relevant	relevant	ADJ
ap-2216	140	54	for	for	ADP
ap-2216	140	55	the	the	DET
ap-2216	140	56	precision	precision	NOUN
ap-2216	140	57	of	of	ADP
ap-2216	140	58	the	the	DET
ap-2216	140	59	measurement	measurement	NOUN
ap-2216	140	60	.	.	PUNCT
ap-2216	141	1	because	because	SCONJ
ap-2216	141	2	the	the	DET
ap-2216	141	3	r	r	NOUN
ap-2216	141	4	-	-	PUNCT
ap-2216	141	5	peak	peak	NOUN
ap-2216	141	6	is	be	AUX
ap-2216	141	7	a	a	DET
ap-2216	141	8	short	short	ADJ
ap-2216	141	9	sharp	sharp	ADJ
ap-2216	141	10	peak	peak	NOUN
ap-2216	141	11	,	,	PUNCT
ap-2216	141	12	it	it	PRON
ap-2216	141	13	can	can	AUX
ap-2216	141	14	be	be	AUX
ap-2216	141	15	altered	alter	VERB
ap-2216	141	16	and	and	CCONJ
ap-2216	141	17	the	the	DET
ap-2216	141	18	detected	detect	VERB
ap-2216	141	19	maximum	maximum	NOUN
ap-2216	141	20	is	be	AUX
ap-2216	141	21	not	not	PART
ap-2216	141	22	precisely	precisely	ADV
ap-2216	141	23	the	the	DET
ap-2216	141	24	real	real	ADJ
ap-2216	141	25	maximum	maximum	NOUN
ap-2216	141	26	.	.	PUNCT
ap-2216	142	1	an	an	DET
ap-2216	142	2	example	example	NOUN
ap-2216	142	3	is	be	AUX
ap-2216	142	4	shown	show	VERB
ap-2216	142	5	in	in	ADP
ap-2216	142	6	figure	figure	NOUN
ap-2216	142	7	4	4	NUM
ap-2216	142	8	.	.	PUNCT
ap-2216	143	1	state	state	NOUN
ap-2216	143	2	of	of	ADP
ap-2216	143	3	the	the	DET
ap-2216	143	4	art	art	NOUN
ap-2216	143	5	devices	device	NOUN
ap-2216	143	6	for	for	ADP
ap-2216	143	7	high	high	ADJ
ap-2216	143	8	quality	quality	NOUN
ap-2216	143	9	hrv	hrv	NOUN
ap-2216	143	10	analysis	analysis	NOUN
ap-2216	143	11	use	use	VERB
ap-2216	143	12	a	a	DET
ap-2216	143	13	sample	sample	NOUN
ap-2216	143	14	rate	rate	NOUN
ap-2216	143	15	of	of	ADP
ap-2216	143	16	up	up	ADP
ap-2216	143	17	to	to	ADP
ap-2216	143	18	1000hz	1000hz	PROPN
ap-2216	143	19	[	[	X
ap-2216	143	20	8	8	NUM
ap-2216	143	21	]	]	PUNCT
ap-2216	143	22	to	to	PART
ap-2216	143	23	ensure	ensure	VERB
ap-2216	143	24	high	high	ADJ
ap-2216	143	25	precision	precision	NOUN
ap-2216	143	26	hrv	hrv	NOUN
ap-2216	143	27	computation	computation	NOUN
ap-2216	143	28	.	.	PUNCT
ap-2216	144	1	the	the	DET
ap-2216	144	2	patient	patient	ADJ
ap-2216	144	3	monitor	monitor	NOUN
ap-2216	144	4	used	use	VERB
ap-2216	144	5	in	in	ADP
ap-2216	144	6	this	this	DET
ap-2216	144	7	study	study	NOUN
ap-2216	144	8	has	have	VERB
ap-2216	144	9	a	a	DET
ap-2216	144	10	sample	sample	NOUN
ap-2216	144	11	rate	rate	NOUN
ap-2216	144	12	of	of	ADP
ap-2216	144	13	250hz	250hz	NOUN
ap-2216	144	14	for	for	ADP
ap-2216	144	15	the	the	DET
ap-2216	144	16	ecg	ecg	PROPN
ap-2216	144	17	signal	signal	NOUN
ap-2216	144	18	and	and	CCONJ
ap-2216	144	19	125hz	125hz	PROPN
ap-2216	144	20	for	for	ADP
ap-2216	144	21	the	the	DET
ap-2216	144	22	ppg	ppg	NOUN
ap-2216	144	23	signal	signal	NOUN
ap-2216	144	24	.	.	PUNCT
ap-2216	145	1	this	this	PRON
ap-2216	145	2	is	be	AUX
ap-2216	145	3	standard	standard	ADJ
ap-2216	145	4	for	for	ADP
ap-2216	145	5	currently	currently	ADV
ap-2216	145	6	used	use	VERB
ap-2216	145	7	patient	patient	NOUN
ap-2216	145	8	monitors	monitor	NOUN
ap-2216	145	9	.	.	PUNCT
ap-2216	146	1	the	the	DET
ap-2216	146	2	ppg	ppg	NOUN
ap-2216	146	3	signal	signal	NOUN
ap-2216	146	4	is	be	AUX
ap-2216	146	5	much	much	ADV
ap-2216	146	6	smoother	smooth	ADJ
ap-2216	146	7	than	than	ADP
ap-2216	146	8	the	the	DET
ap-2216	146	9	ecg	ecg	PROPN
ap-2216	146	10	signal	signal	NOUN
ap-2216	146	11	,	,	PUNCT
ap-2216	146	12	see	see	VERB
ap-2216	146	13	figure	figure	NOUN
ap-2216	146	14	3	3	NUM
ap-2216	146	15	.	.	PUNCT
ap-2216	147	1	for	for	ADP
ap-2216	147	2	the	the	DET
ap-2216	147	3	lower	low	ADJ
ap-2216	147	4	sample	sample	NOUN
ap-2216	147	5	frequency	frequency	NOUN
ap-2216	147	6	,	,	PUNCT
ap-2216	147	7	the	the	DET
ap-2216	147	8	error	error	NOUN
ap-2216	147	9	of	of	ADP
ap-2216	147	10	the	the	DET
ap-2216	147	11	peak	peak	NOUN
ap-2216	147	12	detection	detection	NOUN
ap-2216	147	13	is	be	AUX
ap-2216	147	14	larger	large	ADJ
ap-2216	147	15	.	.	PUNCT
ap-2216	148	1	additional	additional	ADJ
ap-2216	148	2	care	care	NOUN
ap-2216	148	3	must	must	AUX
ap-2216	148	4	therefore	therefore	ADV
ap-2216	148	5	be	be	AUX
ap-2216	148	6	taken	take	VERB
ap-2216	148	7	in	in	ADP
ap-2216	148	8	peak	peak	NOUN
ap-2216	148	9	detection	detection	NOUN
ap-2216	148	10	and	and	CCONJ
ap-2216	148	11	in	in	ADP
ap-2216	148	12	threshold	threshold	NOUN
ap-2216	148	13	adjustment	adjustment	NOUN
ap-2216	148	14	of	of	ADP
ap-2216	148	15	this	this	DET
ap-2216	148	16	algorithm	algorithm	NOUN
ap-2216	148	17	.	.	PUNCT
ap-2216	149	1	in	in	ADP
ap-2216	149	2	addition	addition	NOUN
ap-2216	149	3	,	,	PUNCT
ap-2216	149	4	the	the	DET
ap-2216	149	5	278	278	NUM
ap-2216	149	6	vol	vol	NOUN
ap-2216	149	7	.	.	PUNCT
ap-2216	150	1	54	54	NUM
ap-2216	150	2	no	no	NOUN
ap-2216	150	3	.	.	PUNCT
ap-2216	151	1	4/2014	4/2014	NUM
ap-2216	151	2	using	use	VERB
ap-2216	151	3	ppg	ppg	NOUN
ap-2216	151	4	imaging	imaging	NOUN
ap-2216	151	5	for	for	ADP
ap-2216	151	6	objective	objective	ADJ
ap-2216	151	7	contactless	contactless	NOUN
ap-2216	151	8	pain	pain	NOUN
ap-2216	151	9	assessment	assessment	NOUN
ap-2216	151	10	-1	-1	X
ap-2216	151	11	0	0	NUM
ap-2216	152	1	1	1	NUM
ap-2216	152	2	2	2	NUM
ap-2216	152	3	0	0	NUM
ap-2216	152	4	25	25	NUM
ap-2216	152	5	50	50	NUM
ap-2216	152	6	75	75	NUM
ap-2216	152	7	1	1	NUM
ap-2216	152	8	.	.	ADP
ap-2216	152	9	2	2	NUM
ap-2216	152	10	.	.	NOUN
ap-2216	152	11	0	0	NUM
ap-2216	152	12	2	2	NUM
ap-2216	152	13	43	43	NUM
ap-2216	152	14	.	.	PUNCT
ap-2216	153	1	43:50	43:50	NUM
ap-2216	153	2	44:02	44:02	NUM
ap-2216	153	3	44:14	44:14	NUM
ap-2216	153	4	44:26	44:26	NUM
ap-2216	153	5	44:38	44:38	NUM
ap-2216	153	6	44:50	44:50	NUM
ap-2216	153	7	0	0	NUM
ap-2216	153	8	25	25	NUM
ap-2216	153	9	50	50	NUM
ap-2216	153	10	75	75	NUM
ap-2216	153	11	time	time	NOUN
ap-2216	153	12	(	(	PUNCT
ap-2216	153	13	mm	mm	NOUN
ap-2216	153	14	:	:	PUNCT
ap-2216	153	15	ss	ss	NOUN
ap-2216	153	16	)	)	PUNCT
ap-2216	153	17	4	4	NUM
ap-2216	153	18	.	.	X
ap-2216	153	19	figure	figure	VERB
ap-2216	153	20	7	7	NUM
ap-2216	153	21	.	.	PUNCT
ap-2216	154	1	(	(	PUNCT
ap-2216	154	2	1	1	X
ap-2216	154	3	)	)	PUNCT
ap-2216	154	4	ecg	ecg	PROPN
ap-2216	154	5	signal	signal	NOUN
ap-2216	154	6	.	.	PUNCT
ap-2216	155	1	(	(	PUNCT
ap-2216	155	2	2	2	X
ap-2216	155	3	)	)	PUNCT
ap-2216	155	4	ecg	ecg	PROPN
ap-2216	155	5	-	-	PUNCT
ap-2216	155	6	based	base	VERB
ap-2216	155	7	ani	ani	NOUN
ap-2216	155	8	.	.	PUNCT
ap-2216	156	1	(	(	PUNCT
ap-2216	156	2	3	3	X
ap-2216	156	3	)	)	PUNCT
ap-2216	156	4	ppg	ppg	NOUN
ap-2216	156	5	signal	signal	NOUN
ap-2216	156	6	.	.	PUNCT
ap-2216	157	1	(	(	PUNCT
ap-2216	157	2	4	4	X
ap-2216	157	3	)	)	PUNCT
ap-2216	157	4	ppg	ppg	NOUN
ap-2216	157	5	-	-	PUNCT
ap-2216	157	6	based	base	VERB
ap-2216	157	7	ani	ani	NOUN
ap-2216	157	8	.	.	PUNCT
ap-2216	158	1	dicrotic	dicrotic	ADJ
ap-2216	158	2	notch	notch	NOUN
ap-2216	158	3	can	can	AUX
ap-2216	158	4	influence	influence	VERB
ap-2216	158	5	the	the	DET
ap-2216	158	6	peak	peak	NOUN
ap-2216	158	7	detection	detection	NOUN
ap-2216	158	8	of	of	ADP
ap-2216	158	9	the	the	DET
ap-2216	158	10	adapit	adapit	NOUN
ap-2216	158	11	algorithm	algorithm	NOUN
ap-2216	158	12	.	.	PUNCT
ap-2216	159	1	the	the	DET
ap-2216	159	2	non	non	ADJ
ap-2216	159	3	-	-	ADJ
ap-2216	159	4	interpolated	interpolated	ADJ
ap-2216	159	5	ppgi	ppgi	NOUN
ap-2216	159	6	signal	signal	NOUN
ap-2216	159	7	has	have	VERB
ap-2216	159	8	a	a	DET
ap-2216	159	9	sample	sample	NOUN
ap-2216	159	10	rate	rate	NOUN
ap-2216	159	11	of	of	ADP
ap-2216	159	12	15hz	15hz	NUM
ap-2216	159	13	.	.	PUNCT
ap-2216	160	1	this	this	DET
ap-2216	160	2	sample	sample	NOUN
ap-2216	160	3	rate	rate	NOUN
ap-2216	160	4	is	be	AUX
ap-2216	160	5	not	not	PART
ap-2216	160	6	sufficient	sufficient	ADJ
ap-2216	160	7	to	to	PART
ap-2216	160	8	determine	determine	VERB
ap-2216	160	9	the	the	DET
ap-2216	160	10	peaks	peak	NOUN
ap-2216	160	11	of	of	ADP
ap-2216	160	12	the	the	DET
ap-2216	160	13	ppgi	ppgi	NOUN
ap-2216	160	14	wave	wave	VERB
ap-2216	160	15	accurately	accurately	ADV
ap-2216	160	16	.	.	PUNCT
ap-2216	161	1	using	use	VERB
ap-2216	161	2	the	the	DET
ap-2216	161	3	interpolation	interpolation	NOUN
ap-2216	161	4	method	method	NOUN
ap-2216	161	5	described	describe	VERB
ap-2216	161	6	in	in	ADP
ap-2216	161	7	section	section	NOUN
ap-2216	161	8	2.3	2.3	NUM
ap-2216	161	9	,	,	PUNCT
ap-2216	161	10	the	the	DET
ap-2216	161	11	ppgi	ppgi	NOUN
ap-2216	161	12	curve	curve	NOUN
ap-2216	161	13	is	be	AUX
ap-2216	161	14	smoother	smooth	ADJ
ap-2216	161	15	and	and	CCONJ
ap-2216	161	16	is	be	AUX
ap-2216	161	17	up	up	ADV
ap-2216	161	18	-	-	PUNCT
ap-2216	161	19	sampled	sample	VERB
ap-2216	161	20	to	to	ADP
ap-2216	161	21	a	a	DET
ap-2216	161	22	standard	standard	ADJ
ap-2216	161	23	ppg	ppg	NOUN
ap-2216	161	24	sample	sample	NOUN
ap-2216	161	25	rate	rate	NOUN
ap-2216	161	26	of	of	ADP
ap-2216	161	27	125hz	125hz	PROPN
ap-2216	161	28	.	.	PUNCT
ap-2216	162	1	unfortunately	unfortunately	ADV
ap-2216	162	2	,	,	PUNCT
ap-2216	162	3	interpolation	interpolation	NOUN
ap-2216	162	4	is	be	AUX
ap-2216	162	5	only	only	ADV
ap-2216	162	6	an	an	DET
ap-2216	162	7	approach	approach	NOUN
ap-2216	162	8	and	and	CCONJ
ap-2216	162	9	does	do	AUX
ap-2216	162	10	not	not	PART
ap-2216	162	11	represent	represent	VERB
ap-2216	162	12	the	the	DET
ap-2216	162	13	real	real	ADJ
ap-2216	162	14	ppgi	ppgi	NOUN
ap-2216	162	15	signal	signal	NOUN
ap-2216	162	16	.	.	PUNCT
ap-2216	163	1	the	the	DET
ap-2216	163	2	error	error	NOUN
ap-2216	163	3	is	be	AUX
ap-2216	163	4	therefore	therefore	ADV
ap-2216	163	5	larger	large	ADJ
ap-2216	163	6	than	than	ADP
ap-2216	163	7	the	the	DET
ap-2216	163	8	error	error	NOUN
ap-2216	163	9	of	of	ADP
ap-2216	163	10	the	the	DET
ap-2216	163	11	ppg	ppg	NOUN
ap-2216	163	12	signal	signal	NOUN
ap-2216	163	13	.	.	PUNCT
ap-2216	164	1	figure	figure	NOUN
ap-2216	164	2	6	6	NUM
ap-2216	164	3	shows	show	VERB
ap-2216	164	4	the	the	DET
ap-2216	164	5	rr	rr	NOUN
ap-2216	164	6	-	-	PUNCT
ap-2216	164	7	intervals	interval	NOUN
ap-2216	164	8	from	from	ADP
ap-2216	164	9	the	the	DET
ap-2216	164	10	synchronized	synchronize	VERB
ap-2216	164	11	ppg	ppg	NOUN
ap-2216	164	12	and	and	CCONJ
ap-2216	164	13	ppgi	ppgi	NOUN
ap-2216	164	14	signals	signal	NOUN
ap-2216	164	15	.	.	PUNCT
ap-2216	165	1	the	the	DET
ap-2216	165	2	increase	increase	NOUN
ap-2216	165	3	is	be	AUX
ap-2216	165	4	caused	cause	VERB
ap-2216	165	5	by	by	ADP
ap-2216	165	6	inaccurate	inaccurate	ADJ
ap-2216	165	7	determination	determination	NOUN
ap-2216	165	8	of	of	ADP
ap-2216	165	9	the	the	DET
ap-2216	165	10	rr	rr	NOUN
ap-2216	165	11	-	-	PUNCT
ap-2216	165	12	intervals	interval	NOUN
ap-2216	165	13	,	,	PUNCT
ap-2216	165	14	caused	cause	VERB
ap-2216	165	15	by	by	ADP
ap-2216	165	16	the	the	DET
ap-2216	165	17	interpolation	interpolation	NOUN
ap-2216	165	18	and	and	CCONJ
ap-2216	165	19	the	the	DET
ap-2216	165	20	lower	low	ADJ
ap-2216	165	21	sampling	sampling	NOUN
ap-2216	165	22	rate	rate	NOUN
ap-2216	165	23	.	.	PUNCT
ap-2216	166	1	the	the	DET
ap-2216	166	2	big	big	ADJ
ap-2216	166	3	spikes	spike	NOUN
ap-2216	166	4	are	be	AUX
ap-2216	166	5	generated	generate	VERB
ap-2216	166	6	by	by	ADP
ap-2216	166	7	artifacts	artifact	NOUN
ap-2216	166	8	of	of	ADP
ap-2216	166	9	the	the	DET
ap-2216	166	10	peak	peak	NOUN
ap-2216	166	11	detection	detection	NOUN
ap-2216	166	12	algorithm	algorithm	NOUN
ap-2216	166	13	.	.	PUNCT
ap-2216	167	1	of	of	ADV
ap-2216	167	2	course	course	ADV
ap-2216	167	3	this	this	DET
ap-2216	167	4	deviation	deviation	NOUN
ap-2216	167	5	influences	influence	VERB
ap-2216	167	6	the	the	DET
ap-2216	167	7	ani	ani	NOUN
ap-2216	167	8	,	,	PUNCT
ap-2216	167	9	as	as	SCONJ
ap-2216	167	10	is	be	AUX
ap-2216	167	11	discussed	discuss	VERB
ap-2216	167	12	in	in	ADP
ap-2216	167	13	the	the	DET
ap-2216	167	14	following	follow	VERB
ap-2216	167	15	section	section	NOUN
ap-2216	167	16	.	.	PUNCT
ap-2216	168	1	3.3	3.3	NUM
ap-2216	168	2	.	.	PUNCT
ap-2216	169	1	comparing	compare	VERB
ap-2216	169	2	indices	indice	VERB
ap-2216	169	3	the	the	DET
ap-2216	169	4	differences	difference	NOUN
ap-2216	169	5	mentioned	mention	VERB
ap-2216	169	6	above	above	ADV
ap-2216	169	7	in	in	ADP
ap-2216	169	8	ecgand	ecgand	NOUN
ap-2216	169	9	ppgbased	ppgbase	VERB
ap-2216	169	10	beat	beat	NOUN
ap-2216	169	11	-	-	PUNCT
ap-2216	169	12	to	to	ADP
ap-2216	169	13	-	-	PUNCT
ap-2216	169	14	beat	beat	VERB
ap-2216	169	15	interval	interval	NOUN
ap-2216	169	16	calculation	calculation	NOUN
ap-2216	169	17	result	result	VERB
ap-2216	169	18	in	in	ADP
ap-2216	169	19	a	a	DET
ap-2216	169	20	deviation	deviation	NOUN
ap-2216	169	21	between	between	ADP
ap-2216	169	22	the	the	DET
ap-2216	169	23	two	two	NUM
ap-2216	169	24	anis	anis	PROPN
ap-2216	169	25	.	.	PUNCT
ap-2216	170	1	as	as	SCONJ
ap-2216	170	2	shown	show	VERB
ap-2216	170	3	in	in	ADP
ap-2216	170	4	figure	figure	NOUN
ap-2216	170	5	7	7	NUM
ap-2216	170	6	,	,	PUNCT
ap-2216	170	7	there	there	PRON
ap-2216	170	8	is	be	VERB
ap-2216	170	9	an	an	DET
ap-2216	170	10	offset	offset	NOUN
ap-2216	170	11	between	between	ADP
ap-2216	170	12	the	the	DET
ap-2216	170	13	different	different	ADJ
ap-2216	170	14	ani	ani	NOUN
ap-2216	170	15	indices	index	NOUN
ap-2216	170	16	,	,	PUNCT
ap-2216	170	17	resulting	result	VERB
ap-2216	170	18	in	in	ADP
ap-2216	170	19	a	a	DET
ap-2216	170	20	changed	change	VERB
ap-2216	170	21	distribution	distribution	NOUN
ap-2216	170	22	,	,	PUNCT
ap-2216	170	23	see	see	VERB
ap-2216	170	24	figure	figure	NOUN
ap-2216	170	25	8	8	NUM
ap-2216	170	26	.	.	PUNCT
ap-2216	171	1	the	the	DET
ap-2216	171	2	distribution	distribution	NOUN
ap-2216	171	3	is	be	AUX
ap-2216	171	4	computed	compute	VERB
ap-2216	171	5	over	over	ADP
ap-2216	171	6	20	20	NUM
ap-2216	171	7	surgical	surgical	ADJ
ap-2216	171	8	interventions	intervention	NOUN
ap-2216	171	9	,	,	PUNCT
ap-2216	171	10	using	use	VERB
ap-2216	171	11	matlab	matlab	PROPN
ap-2216	171	12	software	software	NOUN
ap-2216	171	13	.	.	PUNCT
ap-2216	172	1	hence	hence	ADV
ap-2216	172	2	,	,	PUNCT
ap-2216	172	3	the	the	DET
ap-2216	172	4	ani	ani	NOUN
ap-2216	172	5	is	be	AUX
ap-2216	172	6	lower	low	ADJ
ap-2216	172	7	and	and	CCONJ
ap-2216	172	8	if	if	SCONJ
ap-2216	172	9	the	the	DET
ap-2216	172	10	hrv	hrv	NOUN
ap-2216	172	11	increases	increase	VERB
ap-2216	172	12	the	the	DET
ap-2216	172	13	ppg	ppg	NOUN
ap-2216	172	14	-	-	PUNCT
ap-2216	172	15	ani	ani	NOUN
ap-2216	172	16	is	be	AUX
ap-2216	172	17	lower	low	ADJ
ap-2216	172	18	than	than	ADP
ap-2216	172	19	the	the	DET
ap-2216	172	20	ecgani	ecgani	PROPN
ap-2216	172	21	.	.	PUNCT
ap-2216	173	1	however	however	ADV
ap-2216	173	2	,	,	PUNCT
ap-2216	173	3	both	both	DET
ap-2216	173	4	anis	anis	PROPN
ap-2216	173	5	can	can	AUX
ap-2216	173	6	be	be	AUX
ap-2216	173	7	merged	merge	VERB
ap-2216	173	8	,	,	PUNCT
ap-2216	173	9	resulting	result	VERB
ap-2216	173	10	in	in	ADP
ap-2216	173	11	a	a	DET
ap-2216	173	12	single	single	ADJ
ap-2216	173	13	more	more	ADV
ap-2216	173	14	reliable	reliable	ADJ
ap-2216	173	15	index	index	NOUN
ap-2216	173	16	.	.	PUNCT
ap-2216	174	1	for	for	ADP
ap-2216	174	2	example	example	NOUN
ap-2216	174	3	,	,	PUNCT
ap-2216	174	4	the	the	DET
ap-2216	174	5	ppg	ppg	NOUN
ap-2216	174	6	signal	signal	NOUN
ap-2216	174	7	is	be	AUX
ap-2216	174	8	free	free	ADJ
ap-2216	174	9	of	of	ADP
ap-2216	174	10	artifacts	artifact	NOUN
ap-2216	174	11	during	during	ADP
ap-2216	174	12	cautery	cautery	NOUN
ap-2216	174	13	,	,	PUNCT
ap-2216	174	14	which	which	PRON
ap-2216	174	15	however	however	ADV
ap-2216	174	16	makes	make	VERB
ap-2216	174	17	the	the	DET
ap-2216	174	18	ecg	ecg	PROPN
ap-2216	174	19	signal	signal	NOUN
ap-2216	174	20	useless	useless	ADJ
ap-2216	174	21	.	.	PUNCT
ap-2216	175	1	ani	ani	X
ap-2216	175	2	is	be	AUX
ap-2216	175	3	computed	compute	VERB
ap-2216	175	4	over	over	ADP
ap-2216	175	5	a	a	DET
ap-2216	175	6	time	time	NOUN
ap-2216	175	7	of	of	ADP
ap-2216	175	8	about	about	ADV
ap-2216	175	9	one	one	NUM
ap-2216	175	10	minute	minute	NOUN
ap-2216	175	11	,	,	PUNCT
ap-2216	175	12	and	and	CCONJ
ap-2216	175	13	even	even	ADV
ap-2216	175	14	a	a	DET
ap-2216	175	15	short	short	ADJ
ap-2216	175	16	cautery	cautery	NOUN
ap-2216	175	17	can	can	AUX
ap-2216	175	18	influence	influence	VERB
ap-2216	175	19	ani	ani	VERB
ap-2216	175	20	for	for	ADP
ap-2216	175	21	a	a	DET
ap-2216	175	22	minute	minute	NOUN
ap-2216	175	23	.	.	PUNCT
ap-2216	176	1	an	an	DET
ap-2216	176	2	analysis	analysis	NOUN
ap-2216	176	3	of	of	ADP
ap-2216	176	4	10	10	NUM
ap-2216	176	5	surgical	surgical	ADJ
ap-2216	176	6	interventions	intervention	NOUN
ap-2216	176	7	using	use	VERB
ap-2216	176	8	autocorrelation	autocorrelation	NOUN
ap-2216	176	9	shows	show	VERB
ap-2216	176	10	a	a	DET
ap-2216	176	11	correlation	correlation	NOUN
ap-2216	176	12	from	from	ADP
ap-2216	176	13	0.92	0.92	NUM
ap-2216	176	14	to	to	ADP
ap-2216	176	15	0.98	0.98	NUM
ap-2216	176	16	of	of	ADP
ap-2216	176	17	the	the	DET
ap-2216	176	18	beat	beat	NOUN
ap-2216	176	19	-	-	PUNCT
ap-2216	176	20	to	to	ADP
ap-2216	176	21	-	-	PUNCT
ap-2216	176	22	beat	beat	VERB
ap-2216	176	23	intervals	interval	NOUN
ap-2216	176	24	for	for	ADP
ap-2216	176	25	the	the	DET
ap-2216	176	26	time	time	NOUN
ap-2216	176	27	delay	delay	NOUN
ap-2216	176	28	.	.	PUNCT
ap-2216	177	1	the	the	DET
ap-2216	177	2	ani	ani	NOUN
ap-2216	177	3	correlates	correlate	VERB
ap-2216	177	4	from	from	ADP
ap-2216	177	5	0.90	0.90	NUM
ap-2216	177	6	to	to	ADP
ap-2216	177	7	0.97	0.97	NUM
ap-2216	177	8	.	.	PUNCT
ap-2216	178	1	it	it	PRON
ap-2216	178	2	can	can	AUX
ap-2216	178	3	be	be	AUX
ap-2216	178	4	assumed	assume	VERB
ap-2216	178	5	that	that	SCONJ
ap-2216	178	6	most	most	ADJ
ap-2216	178	7	of	of	ADP
ap-2216	178	8	the	the	DET
ap-2216	178	9	deviation	deviation	NOUN
ap-2216	178	10	results	result	VERB
ap-2216	178	11	from	from	ADP
ap-2216	178	12	errors	error	NOUN
ap-2216	178	13	in	in	ADP
ap-2216	178	14	peak	peak	NOUN
ap-2216	178	15	detection	detection	NOUN
ap-2216	178	16	and	and	CCONJ
ap-2216	178	17	possible	possible	ADJ
ap-2216	178	18	misdetected	misdetecte	VERB
ap-2216	178	19	peaks	peak	NOUN
ap-2216	178	20	caused	cause	VERB
ap-2216	178	21	by	by	ADP
ap-2216	178	22	artifacts	artifact	NOUN
ap-2216	178	23	.	.	PUNCT
ap-2216	179	1	unfortunately	unfortunately	ADV
ap-2216	179	2	,	,	PUNCT
ap-2216	179	3	the	the	DET
ap-2216	179	4	ani	ani	NOUN
ap-2216	179	5	of	of	ADP
ap-2216	179	6	the	the	DET
ap-2216	179	7	animal	animal	NOUN
ap-2216	179	8	trial	trial	NOUN
ap-2216	179	9	can	can	AUX
ap-2216	179	10	not	not	PART
ap-2216	179	11	be	be	AUX
ap-2216	179	12	computed	compute	VERB
ap-2216	179	13	,	,	PUNCT
ap-2216	179	14	because	because	SCONJ
ap-2216	179	15	the	the	DET
ap-2216	179	16	respiration	respiration	NOUN
ap-2216	179	17	figure	figure	NOUN
ap-2216	179	18	8	8	NUM
ap-2216	179	19	.	.	PUNCT
ap-2216	179	20	distribution	distribution	NOUN
ap-2216	179	21	of	of	ADP
ap-2216	179	22	(	(	PUNCT
ap-2216	179	23	1	1	X
ap-2216	179	24	)	)	PUNCT
ap-2216	179	25	ecg	ecg	PROPN
ap-2216	179	26	-	-	PUNCT
ap-2216	179	27	ani	ani	PROPN
ap-2216	179	28	and	and	CCONJ
ap-2216	179	29	(	(	PUNCT
ap-2216	179	30	2	2	X
ap-2216	179	31	)	)	PUNCT
ap-2216	179	32	ppgani	ppgani	NOUN
ap-2216	179	33	.	.	PUNCT
ap-2216	180	1	the	the	DET
ap-2216	180	2	distribution	distribution	NOUN
ap-2216	180	3	is	be	AUX
ap-2216	180	4	computed	compute	VERB
ap-2216	180	5	based	base	VERB
ap-2216	180	6	on	on	ADP
ap-2216	180	7	40	40	NUM
ap-2216	180	8	hours	hour	NOUN
ap-2216	180	9	of	of	ADP
ap-2216	180	10	surgical	surgical	ADJ
ap-2216	180	11	interventions	intervention	NOUN
ap-2216	180	12	.	.	PUNCT
ap-2216	181	1	rate	rate	NOUN
ap-2216	181	2	was	be	AUX
ap-2216	181	3	set	set	VERB
ap-2216	181	4	up	up	ADP
ap-2216	181	5	to	to	PART
ap-2216	181	6	40	40	NUM
ap-2216	181	7	per	per	ADP
ap-2216	181	8	minute	minute	NOUN
ap-2216	181	9	.	.	PUNCT
ap-2216	182	1	this	this	PRON
ap-2216	182	2	exceeds	exceed	VERB
ap-2216	182	3	the	the	DET
ap-2216	182	4	limit	limit	NOUN
ap-2216	182	5	of	of	ADP
ap-2216	182	6	the	the	DET
ap-2216	182	7	filter	filter	NOUN
ap-2216	182	8	between	between	ADP
ap-2216	182	9	0.15–0.5hz	0.15–0.5hz	NOUN
ap-2216	182	10	and	and	CCONJ
ap-2216	182	11	produces	produce	VERB
ap-2216	182	12	an	an	DET
ap-2216	182	13	invalid	invalid	ADJ
ap-2216	182	14	ani	ani	NOUN
ap-2216	182	15	index	index	NOUN
ap-2216	182	16	.	.	PUNCT
ap-2216	183	1	4	4	X
ap-2216	183	2	.	.	X
ap-2216	183	3	discussion	discussion	NOUN
ap-2216	183	4	and	and	CCONJ
ap-2216	183	5	outlook	outlook	NOUN
ap-2216	183	6	ppg	ppg	PROPN
ap-2216	183	7	-	-	PUNCT
ap-2216	183	8	based	base	VERB
ap-2216	183	9	ani	ani	NOUN
ap-2216	183	10	aims	aim	VERB
ap-2216	183	11	to	to	PART
ap-2216	183	12	improve	improve	VERB
ap-2216	183	13	the	the	DET
ap-2216	183	14	assessment	assessment	NOUN
ap-2216	183	15	of	of	ADP
ap-2216	183	16	analgesia	analgesia	NOUN
ap-2216	183	17	during	during	ADP
ap-2216	183	18	surgical	surgical	ADJ
ap-2216	183	19	interventions	intervention	NOUN
ap-2216	183	20	.	.	PUNCT
ap-2216	184	1	with	with	ADP
ap-2216	184	2	the	the	DET
ap-2216	184	3	ppg	ppg	NOUN
ap-2216	184	4	signal	signal	NOUN
ap-2216	184	5	,	,	PUNCT
ap-2216	184	6	an	an	DET
ap-2216	184	7	additional	additional	ADJ
ap-2216	184	8	source	source	NOUN
ap-2216	184	9	for	for	ADP
ap-2216	184	10	ani	ani	NOUN
ap-2216	184	11	computation	computation	NOUN
ap-2216	184	12	is	be	AUX
ap-2216	184	13	available	available	ADJ
ap-2216	184	14	,	,	PUNCT
ap-2216	184	15	which	which	PRON
ap-2216	184	16	can	can	AUX
ap-2216	184	17	be	be	AUX
ap-2216	184	18	chosen	choose	VERB
ap-2216	184	19	if	if	SCONJ
ap-2216	184	20	the	the	DET
ap-2216	184	21	ecg	ecg	PROPN
ap-2216	184	22	signal	signal	NOUN
ap-2216	184	23	is	be	AUX
ap-2216	184	24	not	not	PART
ap-2216	184	25	available	available	ADJ
ap-2216	184	26	or	or	CCONJ
ap-2216	184	27	not	not	PART
ap-2216	184	28	valid	valid	ADJ
ap-2216	184	29	,	,	PUNCT
ap-2216	184	30	for	for	ADP
ap-2216	184	31	example	example	NOUN
ap-2216	184	32	during	during	ADP
ap-2216	184	33	electro	electro	ADJ
ap-2216	184	34	-	-	PUNCT
ap-2216	184	35	surgical	surgical	ADJ
ap-2216	184	36	procedures	procedure	NOUN
ap-2216	184	37	.	.	PUNCT
ap-2216	185	1	both	both	DET
ap-2216	185	2	indices	index	NOUN
ap-2216	185	3	(	(	PUNCT
ap-2216	185	4	ecg	ecg	PROPN
ap-2216	185	5	-	-	PUNCT
ap-2216	185	6	ani	ani	NOUN
ap-2216	185	7	and	and	CCONJ
ap-2216	185	8	ppg	ppg	NOUN
ap-2216	185	9	-	-	PUNCT
ap-2216	185	10	ani	ani	NOUN
ap-2216	185	11	)	)	PUNCT
ap-2216	185	12	could	could	AUX
ap-2216	185	13	in	in	ADP
ap-2216	185	14	future	future	NOUN
ap-2216	185	15	be	be	AUX
ap-2216	185	16	combined	combine	VERB
ap-2216	185	17	to	to	ADP
ap-2216	185	18	one	one	NUM
ap-2216	185	19	index	index	NOUN
ap-2216	185	20	to	to	PART
ap-2216	185	21	improve	improve	VERB
ap-2216	185	22	ani	ani	X
ap-2216	185	23	.	.	PUNCT
ap-2216	186	1	ani	ani	PROPN
ap-2216	186	2	is	be	AUX
ap-2216	186	3	therefore	therefore	ADV
ap-2216	186	4	likewise	likewise	ADV
ap-2216	186	5	usable	usable	ADJ
ap-2216	186	6	in	in	ADP
ap-2216	186	7	postoperative	postoperative	ADJ
ap-2216	186	8	care	care	NOUN
ap-2216	186	9	with	with	ADP
ap-2216	186	10	awake	awake	ADJ
ap-2216	186	11	patients	patient	NOUN
ap-2216	186	12	.	.	PUNCT
ap-2216	187	1	the	the	DET
ap-2216	187	2	ppg	ppg	NOUN
ap-2216	187	3	-	-	PUNCT
ap-2216	187	4	based	base	VERB
ap-2216	187	5	version	version	NOUN
ap-2216	187	6	is	be	AUX
ap-2216	187	7	an	an	DET
ap-2216	187	8	alternative	alternative	NOUN
ap-2216	187	9	if	if	SCONJ
ap-2216	187	10	no	no	DET
ap-2216	187	11	ecg	ecg	PROPN
ap-2216	187	12	is	be	AUX
ap-2216	187	13	derived	derive	VERB
ap-2216	187	14	.	.	PUNCT
ap-2216	188	1	additionally	additionally	ADV
ap-2216	188	2	,	,	PUNCT
ap-2216	188	3	it	it	PRON
ap-2216	188	4	can	can	AUX
ap-2216	188	5	be	be	AUX
ap-2216	188	6	combined	combine	VERB
ap-2216	188	7	with	with	ADP
ap-2216	188	8	other	other	ADJ
ap-2216	188	9	methods	method	NOUN
ap-2216	188	10	[	[	X
ap-2216	188	11	3	3	X
ap-2216	188	12	]	]	PUNCT
ap-2216	188	13	for	for	ADP
ap-2216	188	14	postoperative	postoperative	ADJ
ap-2216	188	15	pain	pain	NOUN
ap-2216	188	16	and	and	CCONJ
ap-2216	188	17	stress	stress	NOUN
ap-2216	188	18	analysis	analysis	NOUN
ap-2216	188	19	.	.	PUNCT
ap-2216	189	1	further	further	ADJ
ap-2216	189	2	work	work	NOUN
ap-2216	189	3	needs	need	VERB
ap-2216	189	4	to	to	PART
ap-2216	189	5	be	be	AUX
ap-2216	189	6	done	do	VERB
ap-2216	189	7	to	to	PART
ap-2216	189	8	adapt	adapt	VERB
ap-2216	189	9	the	the	DET
ap-2216	189	10	scaling	scale	VERB
ap-2216	189	11	factors	factor	NOUN
ap-2216	189	12	(	(	PUNCT
ap-2216	189	13	α	α	NOUN
ap-2216	189	14	and	and	CCONJ
ap-2216	189	15	β	β	NOUN
ap-2216	189	16	)	)	PUNCT
ap-2216	189	17	of	of	ADP
ap-2216	189	18	the	the	DET
ap-2216	189	19	ani	ani	NOUN
ap-2216	189	20	to	to	ADP
ap-2216	189	21	the	the	DET
ap-2216	189	22	offset	offset	NOUN
ap-2216	189	23	in	in	ADP
ap-2216	189	24	rr	rr	NOUN
ap-2216	189	25	-	-	PUNCT
ap-2216	189	26	interval	interval	NOUN
ap-2216	189	27	variation	variation	NOUN
ap-2216	189	28	.	.	PUNCT
ap-2216	190	1	furthermore	furthermore	ADV
ap-2216	190	2	,	,	PUNCT
ap-2216	190	3	histogram	histogram	NOUN
ap-2216	190	4	transformation	transformation	NOUN
ap-2216	190	5	can	can	AUX
ap-2216	190	6	be	be	AUX
ap-2216	190	7	used	use	VERB
ap-2216	190	8	to	to	PART
ap-2216	190	9	translate	translate	VERB
ap-2216	190	10	the	the	DET
ap-2216	190	11	ppg	ppg	NOUN
ap-2216	190	12	-	-	PUNCT
ap-2216	190	13	ani	ani	NOUN
ap-2216	190	14	to	to	ADP
ap-2216	190	15	the	the	DET
ap-2216	190	16	distribution	distribution	NOUN
ap-2216	190	17	of	of	ADP
ap-2216	190	18	the	the	DET
ap-2216	190	19	ecg	ecg	PROPN
ap-2216	190	20	-	-	PUNCT
ap-2216	190	21	ani	ani	NOUN
ap-2216	190	22	,	,	PUNCT
ap-2216	190	23	compared	compare	VERB
ap-2216	190	24	to	to	ADP
ap-2216	190	25	the	the	DET
ap-2216	190	26	results	result	NOUN
ap-2216	190	27	in	in	ADP
ap-2216	190	28	figure	figure	NOUN
ap-2216	190	29	8	8	NUM
ap-2216	190	30	.	.	PUNCT
ap-2216	191	1	the	the	DET
ap-2216	191	2	indices	index	NOUN
ap-2216	191	3	can	can	AUX
ap-2216	191	4	be	be	AUX
ap-2216	191	5	fused	fuse	VERB
ap-2216	191	6	,	,	PUNCT
ap-2216	191	7	for	for	ADP
ap-2216	191	8	example	example	NOUN
ap-2216	191	9	using	use	VERB
ap-2216	191	10	artifact	artifact	ADJ
ap-2216	191	11	detection	detection	NOUN
ap-2216	191	12	algorithms	algorithm	NOUN
ap-2216	191	13	or	or	CCONJ
ap-2216	191	14	other	other	ADJ
ap-2216	191	15	strategies	strategy	NOUN
ap-2216	191	16	for	for	ADP
ap-2216	191	17	selection	selection	NOUN
ap-2216	191	18	279	279	NUM
ap-2216	191	19	m.	m.	NOUN
ap-2216	191	20	koeny	koeny	NOUN
ap-2216	191	21	,	,	PUNCT
ap-2216	191	22	n.	n.	PROPN
ap-2216	191	23	blanik	blanik	PROPN
ap-2216	191	24	,	,	PUNCT
ap-2216	191	25	x.	x.	PROPN
ap-2216	191	26	yu	yu	PROPN
ap-2216	191	27	et	et	PROPN
ap-2216	191	28	al	al	PROPN
ap-2216	191	29	.	.	PROPN
ap-2216	191	30	acta	acta	PROPN
ap-2216	191	31	polytechnica	polytechnica	PROPN
ap-2216	191	32	between	between	ADP
ap-2216	191	33	ecg	ecg	PROPN
ap-2216	191	34	or	or	CCONJ
ap-2216	191	35	ppg	ppg	NOUN
ap-2216	191	36	.	.	PUNCT
ap-2216	192	1	additional	additional	ADJ
ap-2216	192	2	information	information	NOUN
ap-2216	192	3	about	about	ADP
ap-2216	192	4	current	current	ADJ
ap-2216	192	5	surgical	surgical	ADJ
ap-2216	192	6	procedures	procedure	NOUN
ap-2216	192	7	from	from	ADP
ap-2216	192	8	other	other	ADJ
ap-2216	192	9	devices	device	NOUN
ap-2216	192	10	in	in	ADP
ap-2216	192	11	a	a	DET
ap-2216	192	12	networked	networked	ADJ
ap-2216	192	13	operating	operating	NOUN
ap-2216	192	14	room	room	NOUN
ap-2216	192	15	[	[	X
ap-2216	192	16	13	13	NUM
ap-2216	192	17	]	]	PUNCT
ap-2216	192	18	can	can	AUX
ap-2216	192	19	make	make	VERB
ap-2216	192	20	artifact	artifact	ADJ
ap-2216	192	21	detection	detection	NOUN
ap-2216	192	22	more	more	ADV
ap-2216	192	23	reliable	reliable	ADJ
ap-2216	192	24	.	.	PUNCT
ap-2216	193	1	for	for	ADP
ap-2216	193	2	example	example	NOUN
ap-2216	193	3	,	,	PUNCT
ap-2216	193	4	if	if	SCONJ
ap-2216	193	5	the	the	DET
ap-2216	193	6	system	system	NOUN
ap-2216	193	7	could	could	AUX
ap-2216	193	8	get	get	VERB
ap-2216	193	9	information	information	NOUN
ap-2216	193	10	that	that	SCONJ
ap-2216	193	11	an	an	DET
ap-2216	193	12	electro	electro	ADJ
ap-2216	193	13	surgical	surgical	ADJ
ap-2216	193	14	procedure	procedure	NOUN
ap-2216	193	15	has	have	AUX
ap-2216	193	16	started	start	VERB
ap-2216	193	17	,	,	PUNCT
ap-2216	193	18	the	the	DET
ap-2216	193	19	source	source	NOUN
ap-2216	193	20	of	of	ADP
ap-2216	193	21	ani	ani	NOUN
ap-2216	193	22	computation	computation	NOUN
ap-2216	193	23	can	can	AUX
ap-2216	193	24	automatically	automatically	ADV
ap-2216	193	25	be	be	AUX
ap-2216	193	26	switched	switch	VERB
ap-2216	193	27	from	from	ADP
ap-2216	193	28	ecg	ecg	PROPN
ap-2216	193	29	and	and	CCONJ
ap-2216	193	30	ppg	ppg	NOUN
ap-2216	193	31	.	.	PUNCT
ap-2216	194	1	this	this	PRON
ap-2216	194	2	would	would	AUX
ap-2216	194	3	prevent	prevent	VERB
ap-2216	194	4	complex	complex	ADJ
ap-2216	194	5	analysis	analysis	NOUN
ap-2216	194	6	and	and	CCONJ
ap-2216	194	7	artifact	artifact	NOUN
ap-2216	194	8	detection	detection	NOUN
ap-2216	194	9	.	.	PUNCT
ap-2216	195	1	further	further	ADJ
ap-2216	195	2	research	research	NOUN
ap-2216	195	3	needs	need	VERB
ap-2216	195	4	to	to	PART
ap-2216	195	5	be	be	AUX
ap-2216	195	6	done	do	VERB
ap-2216	195	7	on	on	ADP
ap-2216	195	8	ppgi	ppgi	NOUN
ap-2216	195	9	-	-	PUNCT
ap-2216	195	10	based	base	VERB
ap-2216	195	11	rr	rr	NOUN
ap-2216	195	12	interval	interval	NOUN
ap-2216	195	13	computation	computation	NOUN
ap-2216	195	14	and	and	CCONJ
ap-2216	195	15	ppgi	ppgi	NOUN
ap-2216	195	16	-	-	PUNCT
ap-2216	195	17	ani	ani	NOUN
ap-2216	195	18	.	.	PUNCT
ap-2216	196	1	first	first	ADV
ap-2216	196	2	,	,	PUNCT
ap-2216	196	3	the	the	DET
ap-2216	196	4	sample	sample	NOUN
ap-2216	196	5	rate	rate	NOUN
ap-2216	196	6	needs	need	VERB
ap-2216	196	7	to	to	PART
ap-2216	196	8	be	be	AUX
ap-2216	196	9	increased	increase	VERB
ap-2216	196	10	,	,	PUNCT
ap-2216	196	11	and	and	CCONJ
ap-2216	196	12	automatic	automatic	ADJ
ap-2216	196	13	determination	determination	NOUN
ap-2216	196	14	of	of	ADP
ap-2216	196	15	the	the	DET
ap-2216	196	16	region	region	NOUN
ap-2216	196	17	of	of	ADP
ap-2216	196	18	interest	interest	NOUN
ap-2216	196	19	should	should	AUX
ap-2216	196	20	be	be	AUX
ap-2216	196	21	implemented	implement	VERB
ap-2216	196	22	.	.	PUNCT
ap-2216	197	1	this	this	PRON
ap-2216	197	2	should	should	AUX
ap-2216	197	3	be	be	AUX
ap-2216	197	4	done	do	VERB
ap-2216	197	5	by	by	ADP
ap-2216	197	6	focusing	focus	VERB
ap-2216	197	7	the	the	DET
ap-2216	197	8	ppgi	ppgi	NOUN
ap-2216	197	9	camera	camera	NOUN
ap-2216	197	10	on	on	ADP
ap-2216	197	11	a	a	DET
ap-2216	197	12	smaller	small	ADJ
ap-2216	197	13	field	field	NOUN
ap-2216	197	14	of	of	ADP
ap-2216	197	15	view	view	NOUN
ap-2216	197	16	,	,	PUNCT
ap-2216	197	17	or	or	CCONJ
ap-2216	197	18	by	by	ADP
ap-2216	197	19	setting	set	VERB
ap-2216	197	20	an	an	DET
ap-2216	197	21	roi	roi	NOUN
ap-2216	197	22	directly	directly	ADV
ap-2216	197	23	in	in	ADP
ap-2216	197	24	the	the	DET
ap-2216	197	25	camera	camera	NOUN
ap-2216	197	26	.	.	PUNCT
ap-2216	198	1	then	then	ADV
ap-2216	198	2	the	the	DET
ap-2216	198	3	frame	frame	NOUN
ap-2216	198	4	-	-	PUNCT
ap-2216	198	5	rate	rate	NOUN
ap-2216	198	6	can	can	AUX
ap-2216	198	7	be	be	AUX
ap-2216	198	8	increased	increase	VERB
ap-2216	198	9	,	,	PUNCT
ap-2216	198	10	leading	lead	VERB
ap-2216	198	11	to	to	ADP
ap-2216	198	12	a	a	DET
ap-2216	198	13	higher	high	ADJ
ap-2216	198	14	sample	sample	NOUN
ap-2216	198	15	-	-	PUNCT
ap-2216	198	16	rate	rate	NOUN
ap-2216	198	17	of	of	ADP
ap-2216	198	18	the	the	DET
ap-2216	198	19	resulting	result	VERB
ap-2216	198	20	ppgi	ppgi	NOUN
ap-2216	198	21	signal	signal	NOUN
ap-2216	198	22	.	.	PUNCT
ap-2216	199	1	a	a	DET
ap-2216	199	2	higher	high	ADJ
ap-2216	199	3	sample	sample	NOUN
ap-2216	199	4	rate	rate	NOUN
ap-2216	199	5	improves	improve	VERB
ap-2216	199	6	the	the	DET
ap-2216	199	7	rr	rr	ADJ
ap-2216	199	8	-	-	PUNCT
ap-2216	199	9	interval	interval	NOUN
ap-2216	199	10	detection	detection	NOUN
ap-2216	199	11	.	.	PUNCT
ap-2216	200	1	the	the	DET
ap-2216	200	2	improved	improved	ADJ
ap-2216	200	3	ppgi	ppgi	NOUN
ap-2216	200	4	system	system	NOUN
ap-2216	200	5	should	should	AUX
ap-2216	200	6	be	be	AUX
ap-2216	200	7	verified	verify	VERB
ap-2216	200	8	in	in	ADP
ap-2216	200	9	a	a	DET
ap-2216	200	10	human	human	ADJ
ap-2216	200	11	trial	trial	NOUN
ap-2216	200	12	.	.	PUNCT
ap-2216	201	1	in	in	ADP
ap-2216	201	2	addition	addition	NOUN
ap-2216	201	3	,	,	PUNCT
ap-2216	201	4	histogram	histogram	NOUN
ap-2216	201	5	transformation	transformation	NOUN
ap-2216	201	6	can	can	AUX
ap-2216	201	7	be	be	AUX
ap-2216	201	8	used	use	VERB
ap-2216	201	9	to	to	PART
ap-2216	201	10	match	match	VERB
ap-2216	201	11	the	the	DET
ap-2216	201	12	ppg	ppg	NOUN
ap-2216	201	13	-	-	PUNCT
ap-2216	201	14	based	base	VERB
ap-2216	201	15	ani	ani	NOUN
ap-2216	201	16	to	to	ADP
ap-2216	201	17	the	the	DET
ap-2216	201	18	ecg	ecg	PROPN
ap-2216	201	19	-	-	PUNCT
ap-2216	201	20	ani	ani	NOUN
ap-2216	201	21	.	.	PUNCT
ap-2216	202	1	contactless	contactless	PROPN
ap-2216	202	2	measurement	measurement	NOUN
ap-2216	202	3	of	of	ADP
ap-2216	202	4	the	the	DET
ap-2216	202	5	ppg	ppg	NOUN
ap-2216	202	6	waveform	waveform	NOUN
ap-2216	202	7	offers	offer	VERB
ap-2216	202	8	new	new	ADJ
ap-2216	202	9	opportunities	opportunity	NOUN
ap-2216	202	10	.	.	PUNCT
ap-2216	203	1	for	for	ADP
ap-2216	203	2	example	example	NOUN
ap-2216	203	3	,	,	PUNCT
ap-2216	203	4	during	during	ADP
ap-2216	203	5	postoperative	postoperative	ADJ
ap-2216	203	6	pain	pain	NOUN
ap-2216	203	7	therapy	therapy	NOUN
ap-2216	203	8	,	,	PUNCT
ap-2216	203	9	the	the	DET
ap-2216	203	10	ppgi	ppgi	NOUN
ap-2216	203	11	method	method	NOUN
ap-2216	203	12	offers	offer	VERB
ap-2216	203	13	a	a	DET
ap-2216	203	14	very	very	ADV
ap-2216	203	15	comfortable	comfortable	ADJ
ap-2216	203	16	method	method	NOUN
ap-2216	203	17	for	for	ADP
ap-2216	203	18	assessing	assess	VERB
ap-2216	203	19	the	the	DET
ap-2216	203	20	ani	ani	NOUN
ap-2216	203	21	,	,	PUNCT
ap-2216	203	22	as	as	SCONJ
ap-2216	203	23	the	the	DET
ap-2216	203	24	patient	patient	NOUN
ap-2216	203	25	does	do	AUX
ap-2216	203	26	not	not	PART
ap-2216	203	27	have	have	VERB
ap-2216	203	28	to	to	PART
ap-2216	203	29	be	be	AUX
ap-2216	203	30	connected	connect	VERB
ap-2216	203	31	to	to	ADP
ap-2216	203	32	an	an	DET
ap-2216	203	33	ecg	ecg	PROPN
ap-2216	203	34	or	or	CCONJ
ap-2216	203	35	ppg	ppg	ADJ
ap-2216	203	36	device	device	NOUN
ap-2216	203	37	.	.	PUNCT
ap-2216	204	1	in	in	ADP
ap-2216	204	2	addition	addition	NOUN
ap-2216	204	3	,	,	PUNCT
ap-2216	204	4	the	the	DET
ap-2216	204	5	camera	camera	NOUN
ap-2216	204	6	-	-	PUNCT
ap-2216	204	7	based	base	VERB
ap-2216	204	8	procedure	procedure	NOUN
ap-2216	204	9	enables	enable	VERB
ap-2216	204	10	contactless	contactless	ADJ
ap-2216	204	11	measurements	measurement	NOUN
ap-2216	204	12	on	on	ADP
ap-2216	204	13	various	various	ADJ
ap-2216	204	14	regions	region	NOUN
ap-2216	204	15	of	of	ADP
ap-2216	204	16	the	the	DET
ap-2216	204	17	body	body	NOUN
ap-2216	204	18	.	.	PUNCT
ap-2216	205	1	for	for	ADP
ap-2216	205	2	example	example	NOUN
ap-2216	205	3	,	,	PUNCT
ap-2216	205	4	the	the	DET
ap-2216	205	5	ppg	ppg	NOUN
ap-2216	205	6	signal	signal	NOUN
ap-2216	205	7	can	can	AUX
ap-2216	205	8	be	be	AUX
ap-2216	205	9	measured	measure	VERB
ap-2216	205	10	synchronously	synchronously	ADV
ap-2216	205	11	on	on	ADP
ap-2216	205	12	the	the	DET
ap-2216	205	13	face	face	NOUN
ap-2216	205	14	and	and	CCONJ
ap-2216	205	15	on	on	ADP
ap-2216	205	16	the	the	DET
ap-2216	205	17	hand	hand	NOUN
ap-2216	205	18	.	.	PUNCT
ap-2216	206	1	this	this	PRON
ap-2216	206	2	enables	enable	VERB
ap-2216	206	3	the	the	DET
ap-2216	206	4	physician	physician	NOUN
ap-2216	206	5	to	to	PART
ap-2216	206	6	focus	focus	VERB
ap-2216	206	7	on	on	ADP
ap-2216	206	8	different	different	ADJ
ap-2216	206	9	regions	region	NOUN
ap-2216	206	10	and	and	CCONJ
ap-2216	206	11	consider	consider	VERB
ap-2216	206	12	local	local	ADJ
ap-2216	206	13	physiological	physiological	ADJ
ap-2216	206	14	phenomena	phenomenon	NOUN
ap-2216	206	15	,	,	PUNCT
ap-2216	206	16	e.g.	e.g.	ADV
ap-2216	206	17	,	,	PUNCT
ap-2216	206	18	local	local	ADJ
ap-2216	206	19	vasomotion	vasomotion	NOUN
ap-2216	206	20	.	.	PUNCT
ap-2216	207	1	another	another	DET
ap-2216	207	2	opportunity	opportunity	NOUN
ap-2216	207	3	can	can	AUX
ap-2216	207	4	be	be	AUX
ap-2216	207	5	the	the	DET
ap-2216	207	6	use	use	NOUN
ap-2216	207	7	of	of	ADP
ap-2216	207	8	ppgi	ppgi	NOUN
ap-2216	207	9	in	in	ADP
ap-2216	207	10	wound	wound	ADJ
ap-2216	207	11	diagnosis	diagnosis	NOUN
ap-2216	207	12	[	[	X
ap-2216	207	13	15	15	NUM
ap-2216	207	14	]	]	PUNCT
ap-2216	207	15	.	.	PUNCT
ap-2216	208	1	for	for	ADP
ap-2216	208	2	example	example	NOUN
ap-2216	208	3	,	,	PUNCT
ap-2216	208	4	the	the	DET
ap-2216	208	5	ppgi	ppgi	NOUN
ap-2216	208	6	camera	camera	NOUN
ap-2216	208	7	,	,	PUNCT
ap-2216	208	8	optionally	optionally	ADV
ap-2216	208	9	in	in	ADP
ap-2216	208	10	combination	combination	NOUN
ap-2216	208	11	with	with	ADP
ap-2216	208	12	an	an	DET
ap-2216	208	13	thermo	thermo	NOUN
ap-2216	208	14	infrared	infrared	PROPN
ap-2216	208	15	camera	camera	NOUN
ap-2216	208	16	,	,	PUNCT
ap-2216	208	17	can	can	AUX
ap-2216	208	18	be	be	AUX
ap-2216	208	19	focused	focus	VERB
ap-2216	208	20	on	on	ADP
ap-2216	208	21	a	a	DET
ap-2216	208	22	wound	wound	NOUN
ap-2216	208	23	.	.	PUNCT
ap-2216	209	1	this	this	PRON
ap-2216	209	2	can	can	AUX
ap-2216	209	3	deliver	deliver	VERB
ap-2216	209	4	information	information	NOUN
ap-2216	209	5	about	about	ADP
ap-2216	209	6	local	local	ADJ
ap-2216	209	7	ppg	ppg	NOUN
ap-2216	209	8	correlated	correlate	VERB
ap-2216	209	9	phenomena	phenomenon	NOUN
ap-2216	209	10	and	and	CCONJ
ap-2216	209	11	the	the	DET
ap-2216	209	12	difference	difference	NOUN
ap-2216	209	13	in	in	ADP
ap-2216	209	14	thermography	thermography	NOUN
ap-2216	209	15	caused	cause	VERB
ap-2216	209	16	by	by	ADP
ap-2216	209	17	inflammation	inflammation	NOUN
ap-2216	209	18	.	.	PUNCT
ap-2216	210	1	this	this	DET
ap-2216	210	2	information	information	NOUN
ap-2216	210	3	can	can	AUX
ap-2216	210	4	be	be	AUX
ap-2216	210	5	used	use	VERB
ap-2216	210	6	for	for	ADP
ap-2216	210	7	improved	improved	ADJ
ap-2216	210	8	wound	wound	NOUN
ap-2216	210	9	diagnosis	diagnosis	NOUN
ap-2216	210	10	,	,	PUNCT
ap-2216	210	11	possibly	possibly	ADV
ap-2216	210	12	leading	lead	VERB
ap-2216	210	13	to	to	ADP
ap-2216	210	14	improved	improved	ADJ
ap-2216	210	15	wound	wound	NOUN
ap-2216	210	16	treatment	treatment	NOUN
ap-2216	210	17	.	.	PUNCT
ap-2216	211	1	acknowledgements	acknowledgement	NOUN
ap-2216	211	2	this	this	DET
ap-2216	211	3	work	work	NOUN
ap-2216	211	4	forms	form	VERB
ap-2216	211	5	part	part	NOUN
ap-2216	211	6	of	of	ADP
ap-2216	211	7	the	the	DET
ap-2216	211	8	or.net	or.net	NOUN
ap-2216	211	9	project	project	NOUN
ap-2216	211	10	,	,	PUNCT
ap-2216	211	11	which	which	PRON
ap-2216	211	12	is	be	AUX
ap-2216	211	13	funded	fund	VERB
ap-2216	211	14	by	by	ADP
ap-2216	211	15	the	the	DET
ap-2216	211	16	german	german	ADJ
ap-2216	211	17	federal	federal	PROPN
ap-2216	211	18	ministry	ministry	PROPN
ap-2216	211	19	of	of	ADP
ap-2216	211	20	education	education	PROPN
ap-2216	211	21	and	and	CCONJ
ap-2216	211	22	research	research	NOUN
ap-2216	211	23	(	(	PUNCT
ap-2216	211	24	bmbf	bmbf	NOUN
ap-2216	211	25	)	)	PUNCT
ap-2216	211	26	.	.	PUNCT
ap-2216	212	1	the	the	DET
ap-2216	212	2	authors	author	NOUN
ap-2216	212	3	would	would	AUX
ap-2216	212	4	like	like	VERB
ap-2216	212	5	to	to	PART
ap-2216	212	6	thank	thank	VERB
ap-2216	212	7	all	all	DET
ap-2216	212	8	partners	partner	NOUN
ap-2216	212	9	for	for	ADP
ap-2216	212	10	the	the	DET
ap-2216	212	11	efficient	efficient	ADJ
ap-2216	212	12	collaborative	collaborative	ADJ
ap-2216	212	13	work	work	NOUN
ap-2216	212	14	.	.	PUNCT
ap-2216	213	1	the	the	DET
ap-2216	213	2	human	human	ADJ
ap-2216	213	3	and	and	CCONJ
ap-2216	213	4	animal	animal	NOUN
ap-2216	213	5	trials	trial	NOUN
ap-2216	213	6	have	have	AUX
ap-2216	213	7	been	be	AUX
ap-2216	213	8	approved	approve	VERB
ap-2216	213	9	by	by	ADP
ap-2216	213	10	the	the	DET
ap-2216	213	11	local	local	ADJ
ap-2216	213	12	ethics	ethic	NOUN
ap-2216	213	13	committee	committee	NOUN
ap-2216	213	14	.	.	PUNCT
ap-2216	214	1	references	reference	NOUN
ap-2216	214	2	[	[	X
ap-2216	214	3	1	1	NUM
ap-2216	214	4	]	]	PUNCT
ap-2216	214	5	m.	m.	NOUN
ap-2216	214	6	koeny	koeny	PROPN
ap-2216	214	7	,	,	PUNCT
ap-2216	214	8	x.	x.	PROPN
ap-2216	214	9	yu	yu	PROPN
ap-2216	214	10	,	,	PUNCT
ap-2216	214	11	m.	m.	NOUN
ap-2216	214	12	czaplik	czaplik	PROPN
ap-2216	214	13	,	,	PUNCT
ap-2216	214	14	et	et	PROPN
ap-2216	214	15	al	al	PROPN
ap-2216	214	16	.	.	PUNCT
ap-2216	215	1	computing	compute	VERB
ap-2216	215	2	the	the	DET
ap-2216	215	3	analgesia	analgesia	PROPN
ap-2216	215	4	nociception	nociception	NOUN
ap-2216	215	5	index	index	NOUN
ap-2216	215	6	based	base	VERB
ap-2216	215	7	on	on	ADP
ap-2216	215	8	ppg	ppg	PROPN
ap-2216	215	9	signal	signal	NOUN
ap-2216	215	10	analysis	analysis	NOUN
ap-2216	215	11	.	.	PUNCT
ap-2216	216	1	in	in	ADP
ap-2216	216	2	poster	poster	NOUN
ap-2216	216	3	conference	conference	NOUN
ap-2216	216	4	.	.	PUNCT
ap-2216	217	1	2013	2013	NUM
ap-2216	217	2	.	.	PUNCT
ap-2216	218	1	[	[	X
ap-2216	218	2	2	2	X
ap-2216	218	3	]	]	PUNCT
ap-2216	218	4	s.	s.	PROPN
ap-2216	218	5	l.	l.	PROPN
ap-2216	218	6	collins	collins	PROPN
ap-2216	218	7	,	,	PUNCT
ap-2216	218	8	r.	r.	PROPN
ap-2216	218	9	a.	a.	PROPN
ap-2216	218	10	moore	moore	PROPN
ap-2216	218	11	,	,	PUNCT
ap-2216	218	12	h.	h.	PROPN
ap-2216	218	13	j.	j.	PROPN
ap-2216	218	14	mcquay	mcquay	PROPN
ap-2216	218	15	.	.	PUNCT
ap-2216	219	1	the	the	DET
ap-2216	219	2	visual	visual	ADJ
ap-2216	219	3	analogue	analogue	NOUN
ap-2216	219	4	pain	pain	NOUN
ap-2216	219	5	intensity	intensity	NOUN
ap-2216	219	6	scale	scale	NOUN
ap-2216	219	7	:	:	PUNCT
ap-2216	219	8	what	what	PRON
ap-2216	219	9	is	be	AUX
ap-2216	219	10	moderate	moderate	ADJ
ap-2216	219	11	pain	pain	NOUN
ap-2216	219	12	in	in	ADP
ap-2216	219	13	millimetres	millimetre	NOUN
ap-2216	219	14	?	?	PUNCT
ap-2216	220	1	pain	pain	NOUN
ap-2216	220	2	72(1):95–97	72(1):95–97	NUM
ap-2216	220	3	,	,	PUNCT
ap-2216	220	4	1997	1997	NUM
ap-2216	220	5	.	.	PUNCT
ap-2216	221	1	[	[	X
ap-2216	221	2	3	3	X
ap-2216	221	3	]	]	PUNCT
ap-2216	221	4	m.	m.	NOUN
ap-2216	221	5	huiku	huiku	PROPN
ap-2216	221	6	,	,	PUNCT
ap-2216	221	7	k.	k.	PROPN
ap-2216	221	8	uutela	uutela	PROPN
ap-2216	221	9	,	,	PUNCT
ap-2216	221	10	m.	m.	NOUN
ap-2216	221	11	van	van	PROPN
ap-2216	221	12	gils	gils	PROPN
ap-2216	221	13	,	,	PUNCT
ap-2216	221	14	et	et	PROPN
ap-2216	221	15	al	al	PROPN
ap-2216	221	16	.	.	PROPN
ap-2216	221	17	assessment	assessment	NOUN
ap-2216	221	18	of	of	ADP
ap-2216	221	19	surgical	surgical	ADJ
ap-2216	221	20	stress	stress	NOUN
ap-2216	221	21	during	during	ADP
ap-2216	221	22	general	general	ADJ
ap-2216	221	23	anaesthesia	anaesthesia	NOUN
ap-2216	221	24	.	.	PUNCT
ap-2216	222	1	british	british	ADJ
ap-2216	222	2	journal	journal	PROPN
ap-2216	222	3	of	of	ADP
ap-2216	222	4	anaesthesia	anaesthesia	PROPN
ap-2216	222	5	98(4):447–455	98(4):447–455	NUM
ap-2216	222	6	,	,	PUNCT
ap-2216	222	7	2007	2007	NUM
ap-2216	222	8	.	.	PUNCT
ap-2216	223	1	doi:10.1093	doi:10.1093	NOUN
ap-2216	223	2	/	/	SYM
ap-2216	223	3	bja	bja	PROPN
ap-2216	223	4	/	/	SYM
ap-2216	223	5	aem004	aem004	PROPN
ap-2216	223	6	.	.	PUNCT
ap-2216	224	1	[	[	X
ap-2216	224	2	4	4	X
ap-2216	224	3	]	]	X
ap-2216	224	4	t.	t.	PROPN
ap-2216	224	5	ledowski	ledowski	PROPN
ap-2216	224	6	,	,	PUNCT
ap-2216	224	7	j.	j.	PROPN
ap-2216	224	8	bromilow	bromilow	PROPN
ap-2216	224	9	,	,	PUNCT
ap-2216	224	10	j.	j.	PROPN
ap-2216	224	11	wu	wu	PROPN
ap-2216	224	12	,	,	PUNCT
ap-2216	224	13	et	et	PROPN
ap-2216	224	14	al	al	PROPN
ap-2216	224	15	.	.	PUNCT
ap-2216	225	1	the	the	DET
ap-2216	225	2	assessment	assessment	NOUN
ap-2216	225	3	of	of	ADP
ap-2216	225	4	postoperative	postoperative	ADJ
ap-2216	225	5	pain	pain	NOUN
ap-2216	225	6	by	by	ADP
ap-2216	225	7	monitoring	monitor	VERB
ap-2216	225	8	skin	skin	NOUN
ap-2216	225	9	conductance	conductance	NOUN
ap-2216	225	10	:	:	PUNCT
ap-2216	225	11	results	result	NOUN
ap-2216	225	12	of	of	ADP
ap-2216	225	13	a	a	DET
ap-2216	225	14	prospective	prospective	ADJ
ap-2216	225	15	study	study	NOUN
ap-2216	225	16	.	.	PUNCT
ap-2216	226	1	anaesthesia	anaesthesia	PROPN
ap-2216	226	2	62(10):989	62(10):989	NUM
ap-2216	226	3	–	–	PUNCT
ap-2216	226	4	993	993	NUM
ap-2216	226	5	,	,	PUNCT
ap-2216	226	6	2007	2007	NUM
ap-2216	226	7	.	.	PUNCT
ap-2216	227	1	doi:10.1111	doi:10.1111	ADJ
ap-2216	227	2	/	/	SYM
ap-2216	227	3	j.1365	j.1365	NOUN
ap-2216	227	4	-	-	PUNCT
ap-2216	227	5	2044.2007.05191.x	2044.2007.05191.x	NUM
ap-2216	227	6	.	.	PUNCT
ap-2216	228	1	[	[	X
ap-2216	228	2	5	5	X
ap-2216	228	3	]	]	PUNCT
ap-2216	228	4	t.	t.	PROPN
ap-2216	228	5	ledowski	ledowski	PROPN
ap-2216	228	6	,	,	PUNCT
ap-2216	228	7	j.	j.	PROPN
ap-2216	228	8	bromilow	bromilow	PROPN
ap-2216	228	9	,	,	PUNCT
ap-2216	228	10	m.	m.	NOUN
ap-2216	228	11	paech	paech	NOUN
ap-2216	228	12	,	,	PUNCT
ap-2216	228	13	et	et	PROPN
ap-2216	228	14	al	al	PROPN
ap-2216	228	15	.	.	PUNCT
ap-2216	229	1	monitoring	monitoring	NOUN
ap-2216	229	2	of	of	ADP
ap-2216	229	3	skin	skin	NOUN
ap-2216	229	4	conductance	conductance	NOUN
ap-2216	229	5	to	to	PART
ap-2216	229	6	assess	assess	VERB
ap-2216	229	7	postoperative	postoperative	ADJ
ap-2216	229	8	pain	pain	NOUN
ap-2216	229	9	intensity	intensity	NOUN
ap-2216	229	10	.	.	PUNCT
ap-2216	230	1	british	british	ADJ
ap-2216	230	2	journal	journal	PROPN
ap-2216	230	3	of	of	ADP
ap-2216	230	4	anaesthesia	anaesthesia	PROPN
ap-2216	230	5	97(6):862–865	97(6):862–865	NUM
ap-2216	230	6	,	,	PUNCT
ap-2216	230	7	2006	2006	NUM
ap-2216	230	8	.	.	PUNCT
ap-2216	231	1	doi:10.1093	doi:10.1093	NOUN
ap-2216	231	2	/	/	SYM
ap-2216	231	3	bja	bja	PROPN
ap-2216	231	4	/	/	SYM
ap-2216	231	5	ael280	ael280	PROPN
ap-2216	231	6	.	.	PUNCT
ap-2216	232	1	[	[	X
ap-2216	232	2	6	6	NUM
ap-2216	232	3	]	]	PUNCT
ap-2216	232	4	m.	m.	NOUN
ap-2216	232	5	czaplik	czaplik	PROPN
ap-2216	232	6	,	,	PUNCT
ap-2216	232	7	c.	c.	PROPN
ap-2216	232	8	hübner	hübner	PROPN
ap-2216	232	9	,	,	PUNCT
ap-2216	232	10	m.	m.	NOUN
ap-2216	232	11	köny	köny	PROPN
ap-2216	232	12	,	,	PUNCT
ap-2216	232	13	et	et	PROPN
ap-2216	232	14	al	al	PROPN
ap-2216	232	15	.	.	PROPN
ap-2216	232	16	acute	acute	PROPN
ap-2216	232	17	pain	pain	NOUN
ap-2216	232	18	therapy	therapy	NOUN
ap-2216	232	19	in	in	ADP
ap-2216	232	20	postanesthesia	postanesthesia	PROPN
ap-2216	232	21	care	care	PROPN
ap-2216	232	22	unit	unit	NOUN
ap-2216	232	23	directed	direct	VERB
ap-2216	232	24	by	by	ADP
ap-2216	232	25	skin	skin	NOUN
ap-2216	232	26	conductance	conductance	NOUN
ap-2216	232	27	:	:	PUNCT
ap-2216	232	28	a	a	DET
ap-2216	232	29	randomized	randomized	ADJ
ap-2216	232	30	controlled	control	VERB
ap-2216	232	31	trial	trial	NOUN
ap-2216	232	32	.	.	PUNCT
ap-2216	233	1	plos	plos	PROPN
ap-2216	233	2	one	one	NUM
ap-2216	233	3	7(7):e41758	7(7):e41758	NUM
ap-2216	233	4	,	,	PUNCT
ap-2216	233	5	2012	2012	NUM
ap-2216	233	6	.	.	PUNCT
ap-2216	234	1	doi:10.1371	doi:10.1371	PROPN
ap-2216	234	2	/	/	SYM
ap-2216	235	1	journal.pone.0041758	journal.pone.0041758	NOUN
ap-2216	235	2	.	.	PUNCT
ap-2216	236	1	[	[	X
ap-2216	236	2	7	7	NUM
ap-2216	236	3	]	]	X
ap-2216	236	4	r.	r.	NOUN
ap-2216	236	5	logier	logier	PROPN
ap-2216	236	6	,	,	PUNCT
ap-2216	236	7	m.	m.	PROPN
ap-2216	236	8	jeanne	jeanne	PROPN
ap-2216	236	9	,	,	PUNCT
ap-2216	236	10	a.	a.	NOUN
ap-2216	236	11	dassonneville	dassonneville	NOUN
ap-2216	236	12	,	,	PUNCT
ap-2216	236	13	et	et	PROPN
ap-2216	236	14	al	al	PROPN
ap-2216	236	15	.	.	PROPN
ap-2216	236	16	physiodoloris	physiodoloris	PROPN
ap-2216	236	17	:	:	PUNCT
ap-2216	236	18	a	a	DET
ap-2216	236	19	monitoring	monitoring	NOUN
ap-2216	236	20	device	device	NOUN
ap-2216	236	21	for	for	ADP
ap-2216	236	22	analgesia	analgesia	NOUN
ap-2216	236	23	/	/	SYM
ap-2216	236	24	nociception	nociception	NOUN
ap-2216	236	25	balance	balance	NOUN
ap-2216	236	26	evaluation	evaluation	NOUN
ap-2216	236	27	using	use	VERB
ap-2216	236	28	heart	heart	NOUN
ap-2216	236	29	rate	rate	NOUN
ap-2216	236	30	variability	variability	NOUN
ap-2216	236	31	analysis	analysis	NOUN
ap-2216	236	32	.	.	PUNCT
ap-2216	237	1	in	in	ADP
ap-2216	237	2	engineering	engineering	NOUN
ap-2216	237	3	in	in	ADP
ap-2216	237	4	medicine	medicine	NOUN
ap-2216	237	5	and	and	CCONJ
ap-2216	237	6	biology	biology	NOUN
ap-2216	237	7	society	society	NOUN
ap-2216	237	8	(	(	PUNCT
ap-2216	237	9	embc	embc	PROPN
ap-2216	237	10	)	)	PUNCT
ap-2216	237	11	,	,	PUNCT
ap-2216	237	12	2010	2010	NUM
ap-2216	237	13	annual	annual	ADJ
ap-2216	237	14	international	international	ADJ
ap-2216	237	15	conference	conference	NOUN
ap-2216	237	16	of	of	ADP
ap-2216	237	17	the	the	DET
ap-2216	237	18	ieee	ieee	NOUN
ap-2216	237	19	,	,	PUNCT
ap-2216	237	20	pp	pp	ADP
ap-2216	237	21	.	.	PUNCT
ap-2216	237	22	1194–1197	1194–1197	NUM
ap-2216	237	23	.	.	PUNCT
ap-2216	238	1	ieee	ieee	NOUN
ap-2216	238	2	,	,	PUNCT
ap-2216	238	3	2010	2010	NUM
ap-2216	238	4	.	.	PUNCT
ap-2216	239	1	doi:10.1109	doi:10.1109	VERB
ap-2216	239	2	/	/	SYM
ap-2216	239	3	iembs.2010.5625971	iembs.2010.5625971	ADV
ap-2216	239	4	.	.	PUNCT
ap-2216	240	1	[	[	X
ap-2216	240	2	8	8	NUM
ap-2216	240	3	]	]	PUNCT
ap-2216	240	4	m.	m.	NOUN
ap-2216	240	5	malik	malik	PROPN
ap-2216	240	6	,	,	PUNCT
ap-2216	240	7	j.	j.	PROPN
ap-2216	240	8	bigger	big	ADJ
ap-2216	240	9	,	,	PUNCT
ap-2216	240	10	a.	a.	NOUN
ap-2216	240	11	camm	camm	PROPN
ap-2216	240	12	,	,	PUNCT
ap-2216	240	13	et	et	PROPN
ap-2216	240	14	al	al	PROPN
ap-2216	240	15	.	.	PUNCT
ap-2216	240	16	heart	heart	NOUN
ap-2216	240	17	rate	rate	NOUN
ap-2216	240	18	variability	variability	NOUN
ap-2216	240	19	.	.	PUNCT
ap-2216	241	1	standards	standard	NOUN
ap-2216	241	2	of	of	ADP
ap-2216	241	3	measurement	measurement	NOUN
ap-2216	241	4	,	,	PUNCT
ap-2216	241	5	physiological	physiological	ADJ
ap-2216	241	6	interpretation	interpretation	NOUN
ap-2216	241	7	,	,	PUNCT
ap-2216	241	8	and	and	CCONJ
ap-2216	241	9	clinical	clinical	ADJ
ap-2216	241	10	use	use	NOUN
ap-2216	241	11	,	,	PUNCT
ap-2216	241	12	task	task	NOUN
ap-2216	241	13	force	force	NOUN
ap-2216	241	14	of	of	ADP
ap-2216	241	15	the	the	DET
ap-2216	241	16	european	european	ADJ
ap-2216	241	17	society	society	PROPN
ap-2216	241	18	of	of	ADP
ap-2216	241	19	cardiology	cardiology	NOUN
ap-2216	241	20	and	and	CCONJ
ap-2216	241	21	the	the	DET
ap-2216	241	22	north	north	ADJ
ap-2216	241	23	american	american	ADJ
ap-2216	241	24	society	society	NOUN
ap-2216	241	25	of	of	ADP
ap-2216	241	26	pacing	pacing	NOUN
ap-2216	241	27	and	and	CCONJ
ap-2216	241	28	electrophysiology	electrophysiology	NOUN
ap-2216	241	29	.	.	PUNCT
ap-2216	242	1	circulation	circulation	NOUN
ap-2216	242	2	93(5):1043	93(5):1043	NUM
ap-2216	242	3	–	–	PUNCT
ap-2216	242	4	1065	1065	NUM
ap-2216	242	5	,	,	PUNCT
ap-2216	242	6	1996	1996	NUM
ap-2216	242	7	.	.	PUNCT
ap-2216	243	1	doi:10.1161	doi:10.1161	NOUN
ap-2216	243	2	/	/	SYM
ap-2216	243	3	âăń01.cir.93.5.1043	âăń01.cir.93.5.1043	PROPN
ap-2216	243	4	.	.	PUNCT
ap-2216	244	1	[	[	X
ap-2216	244	2	9	9	NUM
ap-2216	244	3	]	]	PUNCT
ap-2216	244	4	s.	s.	PROPN
ap-2216	244	5	akselrod	akselrod	PROPN
ap-2216	244	6	,	,	PUNCT
ap-2216	244	7	d.	d.	PROPN
ap-2216	244	8	gordon	gordon	PROPN
ap-2216	244	9	,	,	PUNCT
ap-2216	244	10	j.	j.	PROPN
ap-2216	244	11	madwed	madwed	PROPN
ap-2216	244	12	,	,	PUNCT
ap-2216	244	13	et	et	PROPN
ap-2216	244	14	al	al	PROPN
ap-2216	244	15	.	.	PROPN
ap-2216	244	16	hemodynamic	hemodynamic	PROPN
ap-2216	244	17	regulation	regulation	NOUN
ap-2216	244	18	:	:	PUNCT
ap-2216	244	19	investigation	investigation	NOUN
ap-2216	244	20	by	by	ADP
ap-2216	244	21	spectral	spectral	ADJ
ap-2216	244	22	analysis	analysis	NOUN
ap-2216	244	23	.	.	PUNCT
ap-2216	245	1	american	american	ADJ
ap-2216	245	2	journal	journal	PROPN
ap-2216	245	3	of	of	ADP
ap-2216	245	4	physiology	physiology	NOUN
ap-2216	245	5	-	-	PUNCT
ap-2216	245	6	heart	heart	NOUN
ap-2216	245	7	and	and	CCONJ
ap-2216	245	8	circulatory	circulatory	ADJ
ap-2216	245	9	physiology	physiology	NOUN
ap-2216	245	10	249(4):h867	249(4):h867	NUM
ap-2216	245	11	–	–	PUNCT
ap-2216	245	12	h875	h875	NUM
ap-2216	245	13	,	,	PUNCT
ap-2216	245	14	1985	1985	NUM
ap-2216	245	15	.	.	PUNCT
ap-2216	246	1	[	[	X
ap-2216	246	2	10	10	NUM
ap-2216	246	3	]	]	X
ap-2216	246	4	r.	r.	NOUN
ap-2216	246	5	logier	logier	PROPN
ap-2216	246	6	,	,	PUNCT
ap-2216	246	7	j.	j.	PROPN
ap-2216	246	8	de	de	PROPN
ap-2216	246	9	jonckheere	jonckheere	PROPN
ap-2216	246	10	,	,	PUNCT
ap-2216	246	11	a.	a.	NOUN
ap-2216	246	12	dassonneville	dassonneville	NOUN
ap-2216	246	13	.	.	PUNCT
ap-2216	247	1	an	an	DET
ap-2216	247	2	efficient	efficient	ADJ
ap-2216	247	3	algorithm	algorithm	NOUN
ap-2216	247	4	for	for	ADP
ap-2216	247	5	rr	rr	PROPN
ap-2216	247	6	intervals	interval	NOUN
ap-2216	247	7	series	series	PROPN
ap-2216	247	8	filtering	filtering	PROPN
ap-2216	247	9	.	.	PUNCT
ap-2216	248	1	in	in	ADP
ap-2216	248	2	engineering	engineering	NOUN
ap-2216	248	3	in	in	ADP
ap-2216	248	4	medicine	medicine	NOUN
ap-2216	248	5	and	and	CCONJ
ap-2216	248	6	biology	biology	NOUN
ap-2216	248	7	society	society	NOUN
ap-2216	248	8	,	,	PUNCT
ap-2216	248	9	2004	2004	NUM
ap-2216	248	10	.	.	PUNCT
ap-2216	249	1	iembs’04	iembs’04	PROPN
ap-2216	249	2	.	.	PUNCT
ap-2216	250	1	26th	26th	ADJ
ap-2216	250	2	annual	annual	ADJ
ap-2216	250	3	international	international	ADJ
ap-2216	250	4	conference	conference	NOUN
ap-2216	250	5	of	of	ADP
ap-2216	250	6	the	the	DET
ap-2216	250	7	ieee	ieee	NOUN
ap-2216	250	8	,	,	PUNCT
ap-2216	250	9	vol	vol	NOUN
ap-2216	250	10	.	.	PROPN
ap-2216	251	1	2	2	NUM
ap-2216	251	2	,	,	PUNCT
ap-2216	251	3	pp	pp	ADJ
ap-2216	251	4	.	.	PUNCT
ap-2216	252	1	3937–3940	3937–3940	NUM
ap-2216	252	2	.	.	PUNCT
ap-2216	253	1	ieee	ieee	PROPN
ap-2216	253	2	,	,	PUNCT
ap-2216	253	3	2004	2004	NUM
ap-2216	253	4	.	.	PUNCT
ap-2216	254	1	doi:10.1109	doi:10.1109	PROPN
ap-2216	254	2	/	/	SYM
ap-2216	254	3	iembs.2004.1404100	iembs.2004.1404100	PROPN
ap-2216	254	4	.	.	PUNCT
ap-2216	255	1	[	[	X
ap-2216	255	2	11	11	NUM
ap-2216	255	3	]	]	PUNCT
ap-2216	255	4	v.	v.	CCONJ
ap-2216	255	5	blazek	blazek	NOUN
ap-2216	255	6	,	,	PUNCT
ap-2216	255	7	u.	u.	PROPN
ap-2216	255	8	schultz	schultz	PROPN
ap-2216	255	9	-	-	PUNCT
ap-2216	255	10	ehrenburg	ehrenburg	PROPN
ap-2216	255	11	.	.	PUNCT
ap-2216	256	1	frontiers	frontier	NOUN
ap-2216	256	2	in	in	ADP
ap-2216	256	3	computer	computer	NOUN
ap-2216	256	4	-	-	PUNCT
ap-2216	256	5	aided	aid	VERB
ap-2216	256	6	visualization	visualization	NOUN
ap-2216	256	7	of	of	ADP
ap-2216	256	8	vascular	vascular	ADJ
ap-2216	256	9	functions	function	NOUN
ap-2216	256	10	.	.	PUNCT
ap-2216	257	1	in	in	ADP
ap-2216	257	2	fortschrittberichte	fortschrittberichte	ADJ
ap-2216	257	3	vdi	vdi	PROPN
ap-2216	257	4	,	,	PUNCT
ap-2216	257	5	pp	pp	ADJ
ap-2216	257	6	.	.	PUNCT
ap-2216	258	1	117–124	117–124	NUM
ap-2216	258	2	.	.	PUNCT
ap-2216	259	1	vdi	vdi	PROPN
ap-2216	259	2	verlag	verlag	PROPN
ap-2216	259	3	duesseldorf	duesseldorf	PROPN
ap-2216	259	4	,	,	PUNCT
ap-2216	259	5	1998	1998	NUM
ap-2216	259	6	.	.	PUNCT
ap-2216	260	1	[	[	X
ap-2216	260	2	12	12	NUM
ap-2216	260	3	]	]	PUNCT
ap-2216	260	4	t.	t.	PROPN
ap-2216	260	5	wu	wu	PROPN
ap-2216	260	6	,	,	PUNCT
ap-2216	260	7	v.	v.	CCONJ
ap-2216	260	8	blazek	blazek	NOUN
ap-2216	260	9	,	,	PUNCT
ap-2216	260	10	h.	h.	PROPN
ap-2216	260	11	j.	j.	PROPN
ap-2216	260	12	schmitt	schmitt	PROPN
ap-2216	260	13	.	.	PUNCT
ap-2216	261	1	photoplethysmography	photoplethysmography	NOUN
ap-2216	261	2	imaging	imaging	PROPN
ap-2216	261	3	:	:	PUNCT
ap-2216	261	4	a	a	DET
ap-2216	261	5	new	new	ADJ
ap-2216	261	6	noninvasive	noninvasive	ADJ
ap-2216	261	7	and	and	CCONJ
ap-2216	261	8	noncontact	noncontact	ADJ
ap-2216	261	9	method	method	NOUN
ap-2216	261	10	for	for	ADP
ap-2216	261	11	mapping	mapping	NOUN
ap-2216	261	12	of	of	ADP
ap-2216	261	13	the	the	DET
ap-2216	261	14	dermal	dermal	ADJ
ap-2216	261	15	perfusion	perfusion	NOUN
ap-2216	261	16	changes	change	NOUN
ap-2216	261	17	.	.	PUNCT
ap-2216	262	1	in	in	ADP
ap-2216	262	2	eos	eos	PROPN
ap-2216	262	3	/	/	SYM
ap-2216	262	4	spie	spie	ADJ
ap-2216	262	5	european	european	ADJ
ap-2216	262	6	biomedical	biomedical	ADJ
ap-2216	262	7	optics	optic	NOUN
ap-2216	262	8	week	week	NOUN
ap-2216	262	9	,	,	PUNCT
ap-2216	262	10	pp	pp	ADV
ap-2216	262	11	.	.	PUNCT
ap-2216	263	1	62–70	62–70	NOUN
ap-2216	263	2	.	.	PUNCT
ap-2216	264	1	international	international	ADJ
ap-2216	264	2	society	society	NOUN
ap-2216	264	3	for	for	ADP
ap-2216	264	4	optics	optic	NOUN
ap-2216	264	5	and	and	CCONJ
ap-2216	264	6	photonics	photonic	NOUN
ap-2216	264	7	,	,	PUNCT
ap-2216	264	8	2000	2000	NUM
ap-2216	264	9	.	.	PUNCT
ap-2216	265	1	doi:10.1117/12.407646	doi:10.1117/12.407646	NOUN
ap-2216	265	2	.	.	PUNCT
ap-2216	266	1	[	[	X
ap-2216	266	2	13	13	NUM
ap-2216	266	3	]	]	PUNCT
ap-2216	266	4	m.	m.	NOUN
ap-2216	266	5	koeny	koeny	PROPN
ap-2216	266	6	,	,	PUNCT
ap-2216	266	7	j.	j.	PROPN
ap-2216	266	8	benzko	benzko	PROPN
ap-2216	266	9	,	,	PUNCT
ap-2216	266	10	m.	m.	NOUN
ap-2216	266	11	czaplik	czaplik	PROPN
ap-2216	266	12	,	,	PUNCT
ap-2216	266	13	et	et	PROPN
ap-2216	266	14	al	al	PROPN
ap-2216	266	15	.	.	PUNCT
ap-2216	266	16	getting	get	VERB
ap-2216	266	17	anesthesia	anesthesia	NOUN
ap-2216	266	18	online	online	ADV
ap-2216	266	19	:	:	PUNCT
ap-2216	266	20	the	the	DET
ap-2216	266	21	smartor	smartor	NOUN
ap-2216	266	22	network	network	NOUN
ap-2216	266	23	.	.	PUNCT
ap-2216	267	1	international	international	ADJ
ap-2216	267	2	journal	journal	PROPN
ap-2216	267	3	on	on	ADP
ap-2216	267	4	advances	advance	NOUN
ap-2216	267	5	in	in	ADP
ap-2216	267	6	internet	internet	NOUN
ap-2216	267	7	technology	technology	NOUN
ap-2216	267	8	5(3	5(3	NUM
ap-2216	267	9	and	and	CCONJ
ap-2216	267	10	4):114–125	4):114–125	NUM
ap-2216	267	11	,	,	PUNCT
ap-2216	267	12	2012	2012	NUM
ap-2216	267	13	.	.	PUNCT
ap-2216	268	1	[	[	X
ap-2216	268	2	14	14	NUM
ap-2216	268	3	]	]	X
ap-2216	268	4	c.	c.	PROPN
ap-2216	268	5	yu	yu	PROPN
ap-2216	268	6	,	,	PUNCT
ap-2216	268	7	z.	z.	PROPN
ap-2216	268	8	liu	liu	PROPN
ap-2216	268	9	,	,	PUNCT
ap-2216	268	10	t.	t.	PROPN
ap-2216	268	11	mckenna	mckenna	PROPN
ap-2216	268	12	,	,	PUNCT
ap-2216	268	13	et	et	PROPN
ap-2216	268	14	al	al	PROPN
ap-2216	268	15	.	.	PUNCT
ap-2216	269	1	a	a	DET
ap-2216	269	2	method	method	NOUN
ap-2216	269	3	for	for	ADP
ap-2216	269	4	automatic	automatic	ADJ
ap-2216	269	5	identification	identification	NOUN
ap-2216	269	6	of	of	ADP
ap-2216	269	7	reliable	reliable	ADJ
ap-2216	269	8	heart	heart	NOUN
ap-2216	269	9	rates	rate	NOUN
ap-2216	269	10	calculated	calculate	VERB
ap-2216	269	11	from	from	ADP
ap-2216	269	12	ecg	ecg	PROPN
ap-2216	269	13	and	and	CCONJ
ap-2216	269	14	ppg	ppg	ADJ
ap-2216	269	15	waveforms	waveform	NOUN
ap-2216	269	16	.	.	PUNCT
ap-2216	270	1	journal	journal	NOUN
ap-2216	270	2	of	of	ADP
ap-2216	270	3	the	the	DET
ap-2216	270	4	american	american	PROPN
ap-2216	270	5	medical	medical	PROPN
ap-2216	270	6	informatics	informatics	PROPN
ap-2216	270	7	association	association	PROPN
ap-2216	270	8	13(3):309–320	13(3):309–320	PROPN
ap-2216	270	9	,	,	PUNCT
ap-2216	270	10	2006	2006	NUM
ap-2216	270	11	.	.	PUNCT
ap-2216	271	1	doi:10.1197	doi:10.1197	NOUN
ap-2216	271	2	/	/	SYM
ap-2216	271	3	jamia.m1925	jamia.m1925	X
ap-2216	271	4	.	.	PUNCT
ap-2216	272	1	[	[	X
ap-2216	272	2	15	15	NUM
ap-2216	272	3	]	]	X
ap-2216	272	4	u.	u.	PROPN
ap-2216	272	5	schultz	schultz	PROPN
ap-2216	272	6	-	-	PUNCT
ap-2216	272	7	ehrenburg	ehrenburg	PROPN
ap-2216	272	8	,	,	PUNCT
ap-2216	272	9	v.	v.	NOUN
ap-2216	272	10	blazek	blazek	NOUN
ap-2216	272	11	.	.	PUNCT
ap-2216	273	1	value	value	NOUN
ap-2216	273	2	of	of	ADP
ap-2216	273	3	quantitative	quantitative	ADJ
ap-2216	273	4	photoplethysmography	photoplethysmography	NOUN
ap-2216	273	5	for	for	ADP
ap-2216	273	6	functional	functional	ADJ
ap-2216	273	7	vascular	vascular	ADJ
ap-2216	273	8	diagnostics	diagnostic	NOUN
ap-2216	273	9	.	.	PUNCT
ap-2216	274	1	skin	skin	NOUN
ap-2216	274	2	pharmacol	pharmacol	PROPN
ap-2216	274	3	appl	appl	PROPN
ap-2216	274	4	skin	skin	PROPN
ap-2216	274	5	physiol	physiol	PROPN
ap-2216	274	6	14(5):316–323	14(5):316–323	PROPN
ap-2216	274	7	,	,	PUNCT
ap-2216	274	8	2001	2001	NUM
ap-2216	274	9	.	.	PUNCT
ap-2216	275	1	280	280	NUM
ap-2216	275	2	http://dx.doi.org/10.1093/bja/aem004	http://dx.doi.org/10.1093/bja/aem004	PROPN
ap-2216	275	3	http://dx.doi.org/10.1111/j.1365-2044.2007.05191.x	http://dx.doi.org/10.1111/j.1365-2044.2007.05191.x	NOUN
ap-2216	275	4	http://dx.doi.org/10.1093/bja/ael280	http://dx.doi.org/10.1093/bja/ael280	PROPN
ap-2216	275	5	http://dx.doi.org/10.1371/journal.pone.0041758	http://dx.doi.org/10.1371/journal.pone.0041758	PROPN
ap-2216	275	6	http://dx.doi.org/10.1109/iembs.2010.5625971	http://dx.doi.org/10.1109/iembs.2010.5625971	VERB
ap-2216	275	7	http://dx.doi.org/10.1161/​01.cir.93.5.1043	http://dx.doi.org/10.1161/​01.cir.93.5.1043	PROPN
ap-2216	275	8	http://dx.doi.org/10.1109/iembs.2004.1404100	http://dx.doi.org/10.1109/iembs.2004.1404100	PROPN
ap-2216	275	9	http://dx.doi.org/10.1117/12.407646	http://dx.doi.org/10.1117/12.407646	PROPN
ap-2216	275	10	http://dx.doi.org/10.1197/jamia.m1925	http://dx.doi.org/10.1197/jamia.m1925	PROPN
ap-2216	275	11	acta	acta	PROPN
ap-2216	275	12	polytechnica	polytechnica	PROPN
ap-2216	275	13	54(4):275–280	54(4):275–280	PROPN
ap-2216	275	14	,	,	PUNCT
ap-2216	275	15	2014	2014	NUM
ap-2216	275	16	1	1	NUM
ap-2216	275	17	introduction	introduction	NOUN
ap-2216	275	18	1.1	1.1	NUM
ap-2216	275	19	heart	heart	NOUN
ap-2216	275	20	rate	rate	NOUN
ap-2216	275	21	variability	variability	NOUN
ap-2216	275	22	1.2	1.2	NUM
ap-2216	275	23	analgesia	analgesia	NOUN
ap-2216	275	24	nociception	nociception	NOUN
ap-2216	275	25	index	index	NOUN
ap-2216	275	26	1.3	1.3	NUM
ap-2216	275	27	use	use	NOUN
ap-2216	275	28	of	of	ADP
ap-2216	275	29	ppg	ppg	ADJ
ap-2216	275	30	1.4	1.4	NUM
ap-2216	275	31	image	image	NOUN
ap-2216	275	32	based	base	VERB
ap-2216	275	33	ppg	ppg	NOUN
ap-2216	275	34	2	2	NUM
ap-2216	275	35	materials	material	NOUN
ap-2216	275	36	and	and	CCONJ
ap-2216	275	37	methods	method	NOUN
ap-2216	275	38	2.1	2.1	NUM
ap-2216	275	39	data	datum	NOUN
ap-2216	275	40	recordings	recording	NOUN
ap-2216	275	41	in	in	ADP
ap-2216	275	42	the	the	DET
ap-2216	275	43	university	university	NOUN
ap-2216	275	44	hospital	hospital	NOUN
ap-2216	275	45	in	in	ADP
ap-2216	275	46	aachen	aachen	PROPN
ap-2216	275	47	2.2	2.2	NUM
ap-2216	275	48	preprocessing	preprocesse	VERB
ap-2216	275	49	the	the	DET
ap-2216	275	50	ppg	ppg	NOUN
ap-2216	275	51	signal	signal	NOUN
ap-2216	275	52	2.3	2.3	NUM
ap-2216	275	53	preprocessing	preprocesse	VERB
ap-2216	275	54	the	the	DET
ap-2216	275	55	ppgi	ppgi	NOUN
ap-2216	275	56	signal	signal	VERB
ap-2216	275	57	3	3	NUM
ap-2216	275	58	results	result	VERB
ap-2216	275	59	3.1	3.1	NUM
ap-2216	275	60	comparison	comparison	NOUN
ap-2216	275	61	of	of	ADP
ap-2216	275	62	ecg	ecg	PROPN
ap-2216	275	63	,	,	PUNCT
ap-2216	275	64	ppg	ppg	NOUN
ap-2216	275	65	and	and	CCONJ
ap-2216	275	66	ppgi	ppgi	NOUN
ap-2216	275	67	signals	signal	VERB
ap-2216	275	68	3.2	3.2	NUM
ap-2216	275	69	comparing	compare	VERB
ap-2216	275	70	heart	heart	NOUN
ap-2216	275	71	rate	rate	NOUN
ap-2216	275	72	variability	variability	NOUN
ap-2216	275	73	3.3	3.3	NUM
ap-2216	275	74	comparing	compare	VERB
ap-2216	275	75	indices	indice	VERB
ap-2216	275	76	4	4	NUM
ap-2216	275	77	discussion	discussion	NOUN
ap-2216	275	78	and	and	CCONJ
ap-2216	275	79	outlook	outlook	NOUN
ap-2216	275	80	acknowledgements	acknowledgement	NOUN
ap-2216	275	81	references	reference	NOUN