id	sid	tid	token	lemma	pos
ajst-15454	1	1	academic	academic	ADJ
ajst-15454	1	2	journal	journal	NOUN
ajst-15454	1	3	of	of	ADP
ajst-15454	1	4	science	science	NOUN
ajst-15454	1	5	and	and	CCONJ
ajst-15454	1	6	technology	technology	NOUN
ajst-15454	1	7	issn	issn	NOUN
ajst-15454	1	8	:	:	PUNCT
ajst-15454	1	9	2771	2771	NUM
ajst-15454	1	10	-	-	SYM
ajst-15454	1	11	3032	3032	NUM
ajst-15454	1	12	|	|	NOUN
ajst-15454	1	13	vol	vol	NOUN
ajst-15454	1	14	.	.	PROPN
ajst-15454	1	15	8	8	NUM
ajst-15454	1	16	,	,	PUNCT
ajst-15454	1	17	no	no	INTJ
ajst-15454	1	18	.	.	NOUN
ajst-15454	1	19	3	3	NUM
ajst-15454	1	20	,	,	PUNCT
ajst-15454	1	21	2023	2023	NUM
ajst-15454	1	22	54	54	NUM
ajst-15454	1	23	the	the	DET
ajst-15454	1	24	reviewed	review	VERB
ajst-15454	1	25	of	of	ADP
ajst-15454	1	26	ray	ray	NOUN
ajst-15454	1	27	tracing	trace	VERB
ajst-15454	1	28	technology	technology	NOUN
ajst-15454	1	29	optimization	optimization	NOUN
ajst-15454	1	30	danni	danni	PROPN
ajst-15454	1	31	sun1	sun1	PROPN
ajst-15454	1	32	,	,	PUNCT
ajst-15454	1	33	a	a	DET
ajst-15454	1	34	1xiangjiang	1xiangjiang	PROPN
ajst-15454	1	35	international	international	ADJ
ajst-15454	1	36	high	high	ADJ
ajst-15454	1	37	school	school	NOUN
ajst-15454	1	38	,	,	PUNCT
ajst-15454	1	39	guangzhou	guangzhou	PROPN
ajst-15454	1	40	,	,	PUNCT
ajst-15454	1	41	511399	511399	NUM
ajst-15454	1	42	,	,	PUNCT
ajst-15454	1	43	china	china	PROPN
ajst-15454	1	44	aalictius@gmail.com	aalictius@gmail.com	X
ajst-15454	2	1	abstract	abstract	PROPN
ajst-15454	2	2	:	:	PUNCT
ajst-15454	2	3	the	the	DET
ajst-15454	2	4	technology	technology	NOUN
ajst-15454	2	5	of	of	ADP
ajst-15454	2	6	ray	ray	NOUN
ajst-15454	2	7	tracing	tracing	NOUN
ajst-15454	2	8	is	be	AUX
ajst-15454	2	9	a	a	DET
ajst-15454	2	10	graphics	graphic	NOUN
ajst-15454	2	11	rendering	rendering	NOUN
ajst-15454	2	12	technique	technique	NOUN
ajst-15454	2	13	that	that	PRON
ajst-15454	2	14	enables	enable	VERB
ajst-15454	2	15	the	the	DET
ajst-15454	2	16	simulation	simulation	NOUN
ajst-15454	2	17	of	of	ADP
ajst-15454	2	18	realistic	realistic	ADJ
ajst-15454	2	19	lighting	lighting	NOUN
ajst-15454	2	20	effects	effect	NOUN
ajst-15454	2	21	,	,	PUNCT
ajst-15454	2	22	including	include	VERB
ajst-15454	2	23	accurate	accurate	ADJ
ajst-15454	2	24	shadows	shadow	NOUN
ajst-15454	2	25	,	,	PUNCT
ajst-15454	2	26	reflections	reflection	NOUN
ajst-15454	2	27	,	,	PUNCT
ajst-15454	2	28	and	and	CCONJ
ajst-15454	2	29	refractions	refraction	NOUN
ajst-15454	2	30	.	.	PUNCT
ajst-15454	3	1	the	the	DET
ajst-15454	3	2	fundamental	fundamental	ADJ
ajst-15454	3	3	principle	principle	NOUN
ajst-15454	3	4	of	of	ADP
ajst-15454	3	5	ray	ray	NOUN
ajst-15454	3	6	tracing	trace	VERB
ajst-15454	3	7	technology	technology	NOUN
ajst-15454	3	8	lies	lie	VERB
ajst-15454	3	9	in	in	ADP
ajst-15454	3	10	the	the	DET
ajst-15454	3	11	emission	emission	NOUN
ajst-15454	3	12	of	of	ADP
ajst-15454	3	13	one	one	NUM
ajst-15454	3	14	or	or	CCONJ
ajst-15454	3	15	more	more	ADJ
ajst-15454	3	16	rays	ray	NOUN
ajst-15454	3	17	from	from	ADP
ajst-15454	3	18	the	the	DET
ajst-15454	3	19	camera	camera	NOUN
ajst-15454	3	20	,	,	PUNCT
ajst-15454	3	21	which	which	PRON
ajst-15454	3	22	traverse	traverse	VERB
ajst-15454	3	23	along	along	ADP
ajst-15454	3	24	the	the	DET
ajst-15454	3	25	path	path	NOUN
ajst-15454	3	26	intersecting	intersect	VERB
ajst-15454	3	27	with	with	ADP
ajst-15454	3	28	objects	object	NOUN
ajst-15454	3	29	within	within	ADP
ajst-15454	3	30	the	the	DET
ajst-15454	3	31	scene	scene	NOUN
ajst-15454	3	32	.	.	PUNCT
ajst-15454	4	1	subsequently	subsequently	ADV
ajst-15454	4	2	,	,	PUNCT
ajst-15454	4	3	it	it	PRON
ajst-15454	4	4	computes	compute	VERB
ajst-15454	4	5	the	the	DET
ajst-15454	4	6	color	color	NOUN
ajst-15454	4	7	and	and	CCONJ
ajst-15454	4	8	intensity	intensity	NOUN
ajst-15454	4	9	of	of	ADP
ajst-15454	4	10	light	light	NOUN
ajst-15454	4	11	based	base	VERB
ajst-15454	4	12	on	on	ADP
ajst-15454	4	13	object	object	NOUN
ajst-15454	4	14	materials	material	NOUN
ajst-15454	4	15	and	and	CCONJ
ajst-15454	4	16	light	light	ADJ
ajst-15454	4	17	source	source	NOUN
ajst-15454	4	18	positions	position	NOUN
ajst-15454	4	19	,	,	PUNCT
ajst-15454	4	20	ultimately	ultimately	ADV
ajst-15454	4	21	amalgamating	amalgamate	VERB
ajst-15454	4	22	these	these	DET
ajst-15454	4	23	rays	ray	NOUN
ajst-15454	4	24	into	into	ADP
ajst-15454	4	25	a	a	DET
ajst-15454	4	26	synthesized	synthesize	VERB
ajst-15454	4	27	final	final	ADJ
ajst-15454	4	28	image	image	NOUN
ajst-15454	4	29	.	.	PUNCT
ajst-15454	5	1	ray	ray	NOUN
ajst-15454	5	2	tracing	trace	VERB
ajst-15454	5	3	technology	technology	NOUN
ajst-15454	5	4	enhances	enhance	VERB
ajst-15454	5	5	the	the	DET
ajst-15454	5	6	authenticity	authenticity	NOUN
ajst-15454	5	7	and	and	CCONJ
ajst-15454	5	8	precision	precision	NOUN
ajst-15454	5	9	of	of	ADP
ajst-15454	5	10	graphics	graphic	NOUN
ajst-15454	5	11	,	,	PUNCT
ajst-15454	5	12	albeit	albeit	SCONJ
ajst-15454	5	13	at	at	ADP
ajst-15454	5	14	the	the	DET
ajst-15454	5	15	expense	expense	NOUN
ajst-15454	5	16	of	of	ADP
ajst-15454	5	17	substantial	substantial	ADJ
ajst-15454	5	18	computational	computational	ADJ
ajst-15454	5	19	overhead	overhead	NOUN
ajst-15454	5	20	and	and	CCONJ
ajst-15454	5	21	resource	resource	NOUN
ajst-15454	5	22	consumption	consumption	NOUN
ajst-15454	5	23	,	,	PUNCT
ajst-15454	5	24	necessitating	necessitate	VERB
ajst-15454	5	25	optimization	optimization	NOUN
ajst-15454	5	26	for	for	ADP
ajst-15454	5	27	improved	improved	ADJ
ajst-15454	5	28	rendering	rendering	NOUN
ajst-15454	5	29	efficiency	efficiency	NOUN
ajst-15454	5	30	and	and	CCONJ
ajst-15454	5	31	performance	performance	NOUN
ajst-15454	5	32	.	.	PUNCT
ajst-15454	6	1	the	the	DET
ajst-15454	6	2	present	present	ADJ
ajst-15454	6	3	paper	paper	NOUN
ajst-15454	6	4	provides	provide	VERB
ajst-15454	6	5	a	a	DET
ajst-15454	6	6	comprehensive	comprehensive	ADJ
ajst-15454	6	7	overview	overview	NOUN
ajst-15454	6	8	of	of	ADP
ajst-15454	6	9	various	various	ADJ
ajst-15454	6	10	optimization	optimization	NOUN
ajst-15454	6	11	techniques	technique	NOUN
ajst-15454	6	12	employed	employ	VERB
ajst-15454	6	13	in	in	ADP
ajst-15454	6	14	ray	ray	NOUN
ajst-15454	6	15	tracing	trace	VERB
ajst-15454	6	16	technology	technology	NOUN
ajst-15454	6	17	,	,	PUNCT
ajst-15454	6	18	encompassing	encompass	VERB
ajst-15454	6	19	spatial	spatial	ADJ
ajst-15454	6	20	acceleration	acceleration	NOUN
ajst-15454	6	21	structures	structure	NOUN
ajst-15454	6	22	,	,	PUNCT
ajst-15454	6	23	importance	importance	NOUN
ajst-15454	6	24	sampling	sampling	NOUN
ajst-15454	6	25	,	,	PUNCT
ajst-15454	6	26	differential	differential	ADJ
ajst-15454	6	27	rendering	rendering	NOUN
ajst-15454	6	28	,	,	PUNCT
ajst-15454	6	29	noise	noise	NOUN
ajst-15454	6	30	reduction	reduction	NOUN
ajst-15454	6	31	,	,	PUNCT
ajst-15454	6	32	among	among	ADP
ajst-15454	6	33	others	other	NOUN
ajst-15454	6	34	.	.	PUNCT
ajst-15454	7	1	through	through	ADP
ajst-15454	7	2	rigorous	rigorous	ADJ
ajst-15454	7	3	experimentation	experimentation	NOUN
ajst-15454	7	4	and	and	CCONJ
ajst-15454	7	5	analysis	analysis	NOUN
ajst-15454	7	6	,	,	PUNCT
ajst-15454	7	7	the	the	DET
ajst-15454	7	8	advantages	advantage	NOUN
ajst-15454	7	9	,	,	PUNCT
ajst-15454	7	10	disadvantages	disadvantage	NOUN
ajst-15454	7	11	,	,	PUNCT
ajst-15454	7	12	and	and	CCONJ
ajst-15454	7	13	applicable	applicable	ADJ
ajst-15454	7	14	scenarios	scenario	NOUN
ajst-15454	7	15	of	of	ADP
ajst-15454	7	16	these	these	DET
ajst-15454	7	17	methods	method	NOUN
ajst-15454	7	18	are	be	AUX
ajst-15454	7	19	thoroughly	thoroughly	ADV
ajst-15454	7	20	examined	examine	VERB
ajst-15454	7	21	.	.	PUNCT
ajst-15454	8	1	keywords	keyword	NOUN
ajst-15454	8	2	:	:	PUNCT
ajst-15454	8	3	ray	ray	PROPN
ajst-15454	8	4	tracing	tracing	NOUN
ajst-15454	8	5	,	,	PUNCT
ajst-15454	8	6	optimization	optimization	NOUN
ajst-15454	8	7	,	,	PUNCT
ajst-15454	8	8	review	review	NOUN
ajst-15454	8	9	.	.	PUNCT
ajst-15454	9	1	1	1	X
ajst-15454	9	2	.	.	X
ajst-15454	9	3	introduction	introduction	NOUN
ajst-15454	9	4	ray	ray	NOUN
ajst-15454	9	5	tracing	tracing	NOUN
ajst-15454	9	6	encompasses	encompass	VERB
ajst-15454	9	7	various	various	ADJ
ajst-15454	9	8	categories	category	NOUN
ajst-15454	9	9	,	,	PUNCT
ajst-15454	9	10	with	with	ADP
ajst-15454	9	11	the	the	DET
ajst-15454	9	12	most	most	ADV
ajst-15454	9	13	common	common	ADJ
ajst-15454	9	14	being	be	AUX
ajst-15454	9	15	forward	forward	ADV
ajst-15454	9	16	ray	ray	NOUN
ajst-15454	9	17	tracing	tracing	NOUN
ajst-15454	9	18	.	.	PUNCT
ajst-15454	10	1	this	this	DET
ajst-15454	10	2	technique	technique	NOUN
ajst-15454	10	3	involves	involve	VERB
ajst-15454	10	4	emitting	emit	VERB
ajst-15454	10	5	rays	ray	NOUN
ajst-15454	10	6	from	from	ADP
ajst-15454	10	7	a	a	DET
ajst-15454	10	8	light	light	ADJ
ajst-15454	10	9	source	source	NOUN
ajst-15454	10	10	and	and	CCONJ
ajst-15454	10	11	calculating	calculate	VERB
ajst-15454	10	12	their	their	PRON
ajst-15454	10	13	intersections	intersection	NOUN
ajst-15454	10	14	with	with	ADP
ajst-15454	10	15	objects	object	NOUN
ajst-15454	10	16	as	as	ADV
ajst-15454	10	17	well	well	ADV
ajst-15454	10	18	as	as	ADP
ajst-15454	10	19	the	the	DET
ajst-15454	10	20	direction	direction	NOUN
ajst-15454	10	21	of	of	ADP
ajst-15454	10	22	reflection	reflection	NOUN
ajst-15454	10	23	until	until	SCONJ
ajst-15454	10	24	they	they	PRON
ajst-15454	10	25	reach	reach	VERB
ajst-15454	10	26	the	the	DET
ajst-15454	10	27	viewpoint	viewpoint	NOUN
ajst-15454	10	28	or	or	CCONJ
ajst-15454	10	29	exceed	exceed	VERB
ajst-15454	10	30	the	the	DET
ajst-15454	10	31	maximum	maximum	ADJ
ajst-15454	10	32	depth	depth	NOUN
ajst-15454	10	33	.	.	PUNCT
ajst-15454	11	1	while	while	SCONJ
ajst-15454	11	2	capable	capable	ADJ
ajst-15454	11	3	of	of	ADP
ajst-15454	11	4	simulating	simulate	VERB
ajst-15454	11	5	shadows	shadow	NOUN
ajst-15454	11	6	,	,	PUNCT
ajst-15454	11	7	reflections	reflection	NOUN
ajst-15454	11	8	,	,	PUNCT
ajst-15454	11	9	and	and	CCONJ
ajst-15454	11	10	refractions	refraction	NOUN
ajst-15454	11	11	,	,	PUNCT
ajst-15454	11	12	this	this	DET
ajst-15454	11	13	method	method	NOUN
ajst-15454	11	14	suffers	suffer	VERB
ajst-15454	11	15	from	from	ADP
ajst-15454	11	16	inefficiency	inefficiency	NOUN
ajst-15454	11	17	due	due	ADP
ajst-15454	11	18	to	to	ADP
ajst-15454	11	19	a	a	DET
ajst-15454	11	20	significant	significant	ADJ
ajst-15454	11	21	portion	portion	NOUN
ajst-15454	11	22	of	of	ADP
ajst-15454	11	23	light	light	NOUN
ajst-15454	11	24	failing	fail	VERB
ajst-15454	11	25	to	to	PART
ajst-15454	11	26	reach	reach	VERB
ajst-15454	11	27	the	the	DET
ajst-15454	11	28	viewpoint	viewpoint	NOUN
ajst-15454	11	29	.	.	PUNCT
ajst-15454	12	1	reverse	reverse	VERB
ajst-15454	12	2	ray	ray	PROPN
ajst-15454	12	3	tracing	tracing	PROPN
ajst-15454	12	4	,	,	PUNCT
ajst-15454	12	5	a	a	DET
ajst-15454	12	6	technique	technique	NOUN
ajst-15454	12	7	where	where	SCONJ
ajst-15454	12	8	light	light	NOUN
ajst-15454	12	9	is	be	AUX
ajst-15454	12	10	emitted	emit	VERB
ajst-15454	12	11	from	from	ADP
ajst-15454	12	12	the	the	DET
ajst-15454	12	13	viewpoint	viewpoint	NOUN
ajst-15454	12	14	and	and	CCONJ
ajst-15454	12	15	its	its	PRON
ajst-15454	12	16	intersection	intersection	NOUN
ajst-15454	12	17	with	with	ADP
ajst-15454	12	18	objects	object	NOUN
ajst-15454	12	19	and	and	CCONJ
ajst-15454	12	20	direction	direction	NOUN
ajst-15454	12	21	of	of	ADP
ajst-15454	12	22	reflection	reflection	NOUN
ajst-15454	12	23	are	be	AUX
ajst-15454	12	24	calculated	calculate	VERB
ajst-15454	12	25	along	along	ADP
ajst-15454	12	26	the	the	DET
ajst-15454	12	27	light	light	ADJ
ajst-15454	12	28	path	path	NOUN
ajst-15454	12	29	until	until	SCONJ
ajst-15454	12	30	it	it	PRON
ajst-15454	12	31	reaches	reach	VERB
ajst-15454	12	32	the	the	DET
ajst-15454	12	33	source	source	NOUN
ajst-15454	12	34	or	or	CCONJ
ajst-15454	12	35	exceeds	exceed	VERB
ajst-15454	12	36	the	the	DET
ajst-15454	12	37	maximum	maximum	ADJ
ajst-15454	12	38	depth	depth	NOUN
ajst-15454	12	39	,	,	PUNCT
ajst-15454	12	40	enables	enable	VERB
ajst-15454	12	41	simulation	simulation	NOUN
ajst-15454	12	42	of	of	ADP
ajst-15454	12	43	phenomena	phenomenon	NOUN
ajst-15454	12	44	such	such	ADJ
ajst-15454	12	45	as	as	ADP
ajst-15454	12	46	global	global	ADJ
ajst-15454	12	47	illumination	illumination	NOUN
ajst-15454	12	48	,	,	PUNCT
ajst-15454	12	49	soft	soft	ADJ
ajst-15454	12	50	shadows	shadow	NOUN
ajst-15454	12	51	,	,	PUNCT
ajst-15454	12	52	and	and	CCONJ
ajst-15454	12	53	indirect	indirect	ADJ
ajst-15454	12	54	illumination	illumination	NOUN
ajst-15454	12	55	.	.	PUNCT
ajst-15454	13	1	however	however	ADV
ajst-15454	13	2	,	,	PUNCT
ajst-15454	13	3	this	this	DET
ajst-15454	13	4	method	method	NOUN
ajst-15454	13	5	suffers	suffer	VERB
ajst-15454	13	6	from	from	ADP
ajst-15454	13	7	inefficiency	inefficiency	NOUN
ajst-15454	13	8	due	due	ADP
ajst-15454	13	9	to	to	ADP
ajst-15454	13	10	significant	significant	ADJ
ajst-15454	13	11	light	light	ADJ
ajst-15454	13	12	loss	loss	NOUN
ajst-15454	13	13	before	before	ADP
ajst-15454	13	14	reaching	reach	VERB
ajst-15454	13	15	the	the	DET
ajst-15454	13	16	light	light	ADJ
ajst-15454	13	17	source	source	NOUN
ajst-15454	13	18	.	.	PUNCT
ajst-15454	14	1	distributed	distribute	VERB
ajst-15454	14	2	ray	ray	NOUN
ajst-15454	14	3	tracing	tracing	PROPN
ajst-15454	14	4	,	,	PUNCT
ajst-15454	14	5	a	a	DET
ajst-15454	14	6	method	method	NOUN
ajst-15454	14	7	based	base	VERB
ajst-15454	14	8	on	on	ADP
ajst-15454	14	9	forward	forward	ADV
ajst-15454	14	10	or	or	CCONJ
ajst-15454	14	11	reverse	reverse	VERB
ajst-15454	14	12	ray	ray	NOUN
ajst-15454	14	13	tracing	tracing	NOUN
ajst-15454	14	14	,	,	PUNCT
ajst-15454	14	15	involves	involve	VERB
ajst-15454	14	16	emitting	emit	VERB
ajst-15454	14	17	multiple	multiple	ADJ
ajst-15454	14	18	random	random	ADJ
ajst-15454	14	19	directions	direction	NOUN
ajst-15454	14	20	of	of	ADP
ajst-15454	14	21	secondary	secondary	ADJ
ajst-15454	14	22	rays	ray	NOUN
ajst-15454	14	23	at	at	ADP
ajst-15454	14	24	each	each	DET
ajst-15454	14	25	intersection	intersection	NOUN
ajst-15454	14	26	to	to	PART
ajst-15454	14	27	simulate	simulate	VERB
ajst-15454	14	28	light	light	ADJ
ajst-15454	14	29	phenomena	phenomenon	NOUN
ajst-15454	14	30	such	such	ADJ
ajst-15454	14	31	as	as	ADP
ajst-15454	14	32	scattering	scattering	NOUN
ajst-15454	14	33	and	and	CCONJ
ajst-15454	14	34	diffraction	diffraction	NOUN
ajst-15454	14	35	.	.	PUNCT
ajst-15454	15	1	this	this	DET
ajst-15454	15	2	approach	approach	NOUN
ajst-15454	15	3	enables	enable	VERB
ajst-15454	15	4	the	the	DET
ajst-15454	15	5	simulation	simulation	NOUN
ajst-15454	15	6	of	of	ADP
ajst-15454	15	7	effects	effect	NOUN
ajst-15454	15	8	like	like	ADP
ajst-15454	15	9	depth	depth	NOUN
ajst-15454	15	10	of	of	ADP
ajst-15454	15	11	field	field	NOUN
ajst-15454	15	12	,	,	PUNCT
ajst-15454	15	13	motion	motion	NOUN
ajst-15454	15	14	blur	blur	NOUN
ajst-15454	15	15	,	,	PUNCT
ajst-15454	15	16	and	and	CCONJ
ajst-15454	15	17	soft	soft	ADJ
ajst-15454	15	18	reflection	reflection	NOUN
ajst-15454	15	19	;	;	PUNCT
ajst-15454	15	20	however	however	ADV
ajst-15454	15	21	,	,	PUNCT
ajst-15454	15	22	it	it	PRON
ajst-15454	15	23	is	be	AUX
ajst-15454	15	24	less	less	ADV
ajst-15454	15	25	efficient	efficient	ADJ
ajst-15454	15	26	due	due	ADP
ajst-15454	15	27	to	to	ADP
ajst-15454	15	28	the	the	DET
ajst-15454	15	29	increased	increase	VERB
ajst-15454	15	30	computational	computational	ADJ
ajst-15454	15	31	load	load	NOUN
ajst-15454	15	32	required	require	VERB
ajst-15454	15	33	for	for	ADP
ajst-15454	15	34	accurate	accurate	ADJ
ajst-15454	15	35	light	light	ADJ
ajst-15454	15	36	calculations	calculation	NOUN
ajst-15454	15	37	.	.	PUNCT
ajst-15454	16	1	monte	monte	PROPN
ajst-15454	16	2	carlo	carlo	PROPN
ajst-15454	16	3	ray	ray	PROPN
ajst-15454	16	4	tracing	tracing	PROPN
ajst-15454	16	5	is	be	AUX
ajst-15454	16	6	a	a	DET
ajst-15454	16	7	probabilistic	probabilistic	ADJ
ajst-15454	16	8	and	and	CCONJ
ajst-15454	16	9	statistical	statistical	ADJ
ajst-15454	16	10	technique	technique	NOUN
ajst-15454	16	11	that	that	PRON
ajst-15454	16	12	employs	employ	VERB
ajst-15454	16	13	random	random	ADJ
ajst-15454	16	14	numbers	number	NOUN
ajst-15454	16	15	to	to	PART
ajst-15454	16	16	generate	generate	VERB
ajst-15454	16	17	and	and	CCONJ
ajst-15454	16	18	sample	sample	VERB
ajst-15454	16	19	light	light	NOUN
ajst-15454	16	20	,	,	PUNCT
ajst-15454	16	21	enabling	enable	VERB
ajst-15454	16	22	an	an	DET
ajst-15454	16	23	approximation	approximation	NOUN
ajst-15454	16	24	of	of	ADP
ajst-15454	16	25	real	real	ADJ
ajst-15454	16	26	-	-	PUNCT
ajst-15454	16	27	world	world	NOUN
ajst-15454	16	28	physical	physical	ADJ
ajst-15454	16	29	models	model	NOUN
ajst-15454	16	30	.	.	PUNCT
ajst-15454	17	1	this	this	DET
ajst-15454	17	2	method	method	NOUN
ajst-15454	17	3	exhibits	exhibit	VERB
ajst-15454	17	4	the	the	DET
ajst-15454	17	5	capability	capability	NOUN
ajst-15454	17	6	to	to	PART
ajst-15454	17	7	simulate	simulate	VERB
ajst-15454	17	8	intricate	intricate	ADJ
ajst-15454	17	9	phenomena	phenomenon	NOUN
ajst-15454	17	10	such	such	ADJ
ajst-15454	17	11	as	as	ADP
ajst-15454	17	12	global	global	ADJ
ajst-15454	17	13	illumination	illumination	NOUN
ajst-15454	17	14	,	,	PUNCT
ajst-15454	17	15	indirect	indirect	ADJ
ajst-15454	17	16	illumination	illumination	NOUN
ajst-15454	17	17	,	,	PUNCT
ajst-15454	17	18	and	and	CCONJ
ajst-15454	17	19	high	high	ADJ
ajst-15454	17	20	dynamic	dynamic	ADJ
ajst-15454	17	21	range	range	NOUN
ajst-15454	17	22	;	;	PUNCT
ajst-15454	17	23	however	however	ADV
ajst-15454	17	24	,	,	PUNCT
ajst-15454	17	25	it	it	PRON
ajst-15454	17	26	suffers	suffer	VERB
ajst-15454	17	27	from	from	ADP
ajst-15454	17	28	lower	low	ADJ
ajst-15454	17	29	efficiency	efficiency	NOUN
ajst-15454	17	30	due	due	ADP
ajst-15454	17	31	to	to	ADP
ajst-15454	17	32	the	the	DET
ajst-15454	17	33	computation	computation	NOUN
ajst-15454	17	34	of	of	ADP
ajst-15454	17	35	substantial	substantial	ADJ
ajst-15454	17	36	amounts	amount	NOUN
ajst-15454	17	37	of	of	ADP
ajst-15454	17	38	light	light	ADJ
ajst-15454	17	39	and	and	CCONJ
ajst-15454	17	40	potential	potential	ADJ
ajst-15454	17	41	noise	noise	NOUN
ajst-15454	17	42	generation	generation	NOUN
ajst-15454	17	43	.	.	PUNCT
ajst-15454	18	1	in	in	ADP
ajst-15454	18	2	2015	2015	NUM
ajst-15454	18	3	,	,	PUNCT
ajst-15454	18	4	a	a	DET
ajst-15454	18	5	ray	ray	NOUN
ajst-15454	18	6	tracing	trace	VERB
ajst-15454	18	7	acceleration	acceleration	NOUN
ajst-15454	18	8	method	method	NOUN
ajst-15454	18	9	based	base	VERB
ajst-15454	18	10	on	on	ADP
ajst-15454	18	11	intel	intel	PROPN
ajst-15454	18	12	's	's	PART
ajst-15454	18	13	multi	multi	ADJ
ajst-15454	18	14	-	-	ADJ
ajst-15454	18	15	core	core	ADJ
ajst-15454	18	16	processor	processor	NOUN
ajst-15454	18	17	was	be	AUX
ajst-15454	18	18	proposed	propose	VERB
ajst-15454	18	19	[	[	X
ajst-15454	18	20	1	1	NUM
ajst-15454	18	21	]	]	PUNCT
ajst-15454	18	22	,	,	PUNCT
ajst-15454	18	23	primarily	primarily	ADV
ajst-15454	18	24	addressing	address	VERB
ajst-15454	18	25	scene	scene	NOUN
ajst-15454	18	26	traversal	traversal	NOUN
ajst-15454	18	27	and	and	CCONJ
ajst-15454	18	28	ray	ray	NOUN
ajst-15454	18	29	intersection	intersection	NOUN
ajst-15454	18	30	challenges	challenge	NOUN
ajst-15454	18	31	in	in	ADP
ajst-15454	18	32	photorealistic	photorealistic	ADJ
ajst-15454	18	33	rendering	rendering	NOUN
ajst-15454	18	34	engines	engine	NOUN
ajst-15454	18	35	.	.	PUNCT
ajst-15454	19	1	this	this	DET
ajst-15454	19	2	paper	paper	NOUN
ajst-15454	19	3	manually	manually	ADV
ajst-15454	19	4	vectorizes	vectorize	VERB
ajst-15454	19	5	the	the	DET
ajst-15454	19	6	ray	ray	NOUN
ajst-15454	19	7	tracing	trace	VERB
ajst-15454	19	8	algorithm	algorithm	NOUN
ajst-15454	19	9	using	use	VERB
ajst-15454	19	10	simd	simd	NOUN
ajst-15454	19	11	instruction	instruction	NOUN
ajst-15454	19	12	set	set	NOUN
ajst-15454	19	13	and	and	CCONJ
ajst-15454	19	14	designs	design	VERB
ajst-15454	19	15	a	a	DET
ajst-15454	19	16	suitable	suitable	ADJ
ajst-15454	19	17	bvh	bvh	NOUN
ajst-15454	19	18	structure	structure	NOUN
ajst-15454	19	19	considering	consider	VERB
ajst-15454	19	20	the	the	DET
ajst-15454	19	21	characteristics	characteristic	NOUN
ajst-15454	19	22	of	of	ADP
ajst-15454	19	23	mic	mic	ADJ
ajst-15454	19	24	architecture	architecture	NOUN
ajst-15454	19	25	.	.	PUNCT
ajst-15454	20	1	the	the	DET
ajst-15454	20	2	effectiveness	effectiveness	NOUN
ajst-15454	20	3	and	and	CCONJ
ajst-15454	20	4	universality	universality	NOUN
ajst-15454	20	5	of	of	ADP
ajst-15454	20	6	the	the	DET
ajst-15454	20	7	proposed	propose	VERB
ajst-15454	20	8	method	method	NOUN
ajst-15454	20	9	are	be	AUX
ajst-15454	20	10	validated	validate	VERB
ajst-15454	20	11	through	through	ADP
ajst-15454	20	12	experimental	experimental	ADJ
ajst-15454	20	13	analysis	analysis	NOUN
ajst-15454	20	14	in	in	ADP
ajst-15454	20	15	this	this	DET
ajst-15454	20	16	paper	paper	NOUN
ajst-15454	20	17	,	,	PUNCT
ajst-15454	20	18	and	and	CCONJ
ajst-15454	20	19	compared	compare	VERB
ajst-15454	20	20	with	with	ADP
ajst-15454	20	21	alternative	alternative	ADJ
ajst-15454	20	22	acceleration	acceleration	NOUN
ajst-15454	20	23	techniques	technique	NOUN
ajst-15454	20	24	.	.	PUNCT
ajst-15454	21	1	moreover	moreover	ADV
ajst-15454	21	2	,	,	PUNCT
ajst-15454	21	3	the	the	DET
ajst-15454	21	4	applicability	applicability	NOUN
ajst-15454	21	5	of	of	ADP
ajst-15454	21	6	the	the	DET
ajst-15454	21	7	presented	present	VERB
ajst-15454	21	8	method	method	NOUN
ajst-15454	21	9	extends	extend	VERB
ajst-15454	21	10	beyond	beyond	ADP
ajst-15454	21	11	intel	intel	PROPN
ajst-15454	21	12	multi	multi	ADJ
ajst-15454	21	13	-	-	ADJ
ajst-15454	21	14	core	core	ADJ
ajst-15454	21	15	processors	processor	NOUN
ajst-15454	21	16	,	,	PUNCT
ajst-15454	21	17	as	as	SCONJ
ajst-15454	21	18	it	it	PRON
ajst-15454	21	19	can	can	AUX
ajst-15454	21	20	be	be	AUX
ajst-15454	21	21	adapted	adapt	VERB
ajst-15454	21	22	to	to	ADP
ajst-15454	21	23	various	various	ADJ
ajst-15454	21	24	cpu	cpu	NOUN
ajst-15454	21	25	platforms	platform	NOUN
ajst-15454	21	26	by	by	ADP
ajst-15454	21	27	adjusting	adjust	VERB
ajst-15454	21	28	parameters	parameter	NOUN
ajst-15454	21	29	related	relate	VERB
ajst-15454	21	30	to	to	ADP
ajst-15454	21	31	simd	simd	NOUN
ajst-15454	21	32	instruction	instruction	NOUN
ajst-15454	21	33	set	set	NOUN
ajst-15454	21	34	and	and	CCONJ
ajst-15454	21	35	bvh	bvh	NOUN
ajst-15454	21	36	structure	structure	NOUN
ajst-15454	21	37	.	.	PUNCT
ajst-15454	22	1	2	2	X
ajst-15454	22	2	.	.	X
ajst-15454	22	3	rapid	rapid	ADJ
ajst-15454	22	4	segmentation	segmentation	NOUN
ajst-15454	22	5	algorithm	algorithm	NOUN
ajst-15454	22	6	based	base	VERB
ajst-15454	22	7	on	on	ADP
ajst-15454	22	8	a	a	DET
ajst-15454	22	9	greedy	greedy	ADJ
ajst-15454	22	10	method	method	NOUN
ajst-15454	22	11	the	the	DET
ajst-15454	22	12	traditional	traditional	ADJ
ajst-15454	22	13	kd	kd	NOUN
ajst-15454	22	14	-	-	PUNCT
ajst-15454	22	15	tree	tree	NOUN
ajst-15454	22	16	is	be	AUX
ajst-15454	22	17	a	a	DET
ajst-15454	22	18	spatial	spatial	ADJ
ajst-15454	22	19	partitioning	partitioning	NOUN
ajst-15454	22	20	-	-	PUNCT
ajst-15454	22	21	based	base	VERB
ajst-15454	22	22	data	data	NOUN
ajst-15454	22	23	structure	structure	NOUN
ajst-15454	22	24	utilized	utilize	VERB
ajst-15454	22	25	for	for	ADP
ajst-15454	22	26	the	the	DET
ajst-15454	22	27	storage	storage	NOUN
ajst-15454	22	28	and	and	CCONJ
ajst-15454	22	29	querying	query	VERB
ajst-15454	22	30	of	of	ADP
ajst-15454	22	31	multidimensional	multidimensional	ADJ
ajst-15454	22	32	data	datum	NOUN
ajst-15454	22	33	.	.	PUNCT
ajst-15454	23	1	the	the	DET
ajst-15454	23	2	fundamental	fundamental	ADJ
ajst-15454	23	3	concept	concept	NOUN
ajst-15454	23	4	involves	involve	VERB
ajst-15454	23	5	recursively	recursively	ADV
ajst-15454	23	6	dividing	divide	VERB
ajst-15454	23	7	the	the	DET
ajst-15454	23	8	data	data	NOUN
ajst-15454	23	9	space	space	NOUN
ajst-15454	23	10	into	into	ADP
ajst-15454	23	11	two	two	NUM
ajst-15454	23	12	subspaces	subspace	NOUN
ajst-15454	23	13	,	,	PUNCT
ajst-15454	23	14	with	with	ADP
ajst-15454	23	15	each	each	DET
ajst-15454	23	16	partition	partition	NOUN
ajst-15454	23	17	selecting	select	VERB
ajst-15454	23	18	a	a	DET
ajst-15454	23	19	dimension	dimension	NOUN
ajst-15454	23	20	as	as	SCONJ
ajst-15454	23	21	the	the	DET
ajst-15454	23	22	segmentation	segmentation	NOUN
ajst-15454	23	23	axis	axis	NOUN
ajst-15454	23	24	and	and	CCONJ
ajst-15454	23	25	determining	determine	VERB
ajst-15454	23	26	the	the	DET
ajst-15454	23	27	segmentation	segmentation	NOUN
ajst-15454	23	28	position	position	NOUN
ajst-15454	23	29	based	base	VERB
ajst-15454	23	30	on	on	ADP
ajst-15454	23	31	the	the	DET
ajst-15454	23	32	median	median	ADJ
ajst-15454	23	33	value	value	NOUN
ajst-15454	23	34	of	of	ADP
ajst-15454	23	35	data	datum	NOUN
ajst-15454	23	36	points	point	NOUN
ajst-15454	23	37	within	within	ADP
ajst-15454	23	38	this	this	DET
ajst-15454	23	39	dimension	dimension	NOUN
ajst-15454	23	40	.	.	PUNCT
ajst-15454	24	1	the	the	DET
ajst-15454	24	2	subspace	subspace	NOUN
ajst-15454	24	3	in	in	ADP
ajst-15454	24	4	the	the	DET
ajst-15454	24	5	kd	kd	NOUN
ajst-15454	24	6	-	-	PUNCT
ajst-15454	24	7	tree	tree	NOUN
ajst-15454	24	8	corresponds	correspond	VERB
ajst-15454	24	9	to	to	ADP
ajst-15454	24	10	each	each	DET
ajst-15454	24	11	node	node	NOUN
ajst-15454	24	12	,	,	PUNCT
ajst-15454	24	13	where	where	SCONJ
ajst-15454	24	14	the	the	DET
ajst-15454	24	15	root	root	NOUN
ajst-15454	24	16	node	node	NOUN
ajst-15454	24	17	represents	represent	VERB
ajst-15454	24	18	the	the	DET
ajst-15454	24	19	entire	entire	ADJ
ajst-15454	24	20	data	datum	NOUN
ajst-15454	24	21	space	space	NOUN
ajst-15454	24	22	and	and	CCONJ
ajst-15454	24	23	the	the	DET
ajst-15454	24	24	leaf	leaf	NOUN
ajst-15454	24	25	node	node	NOUN
ajst-15454	24	26	represents	represent	VERB
ajst-15454	24	27	either	either	CCONJ
ajst-15454	24	28	a	a	DET
ajst-15454	24	29	single	single	ADJ
ajst-15454	24	30	data	data	NOUN
ajst-15454	24	31	point	point	NOUN
ajst-15454	24	32	or	or	CCONJ
ajst-15454	24	33	a	a	DET
ajst-15454	24	34	group	group	NOUN
ajst-15454	24	35	of	of	ADP
ajst-15454	24	36	similar	similar	ADJ
ajst-15454	24	37	data	datum	NOUN
ajst-15454	24	38	points	point	NOUN
ajst-15454	24	39	.	.	PUNCT
ajst-15454	25	1	however	however	ADV
ajst-15454	25	2	,	,	PUNCT
ajst-15454	25	3	one	one	NUM
ajst-15454	25	4	drawback	drawback	NOUN
ajst-15454	25	5	of	of	ADP
ajst-15454	25	6	traditional	traditional	ADJ
ajst-15454	25	7	kd	kd	NOUN
ajst-15454	25	8	-	-	PUNCT
ajst-15454	25	9	trees	tree	NOUN
ajst-15454	25	10	is	be	AUX
ajst-15454	25	11	that	that	SCONJ
ajst-15454	25	12	their	their	PRON
ajst-15454	25	13	segmentation	segmentation	NOUN
ajst-15454	25	14	effectiveness	effectiveness	NOUN
ajst-15454	25	15	deteriorates	deteriorate	VERB
ajst-15454	25	16	when	when	SCONJ
ajst-15454	25	17	dealing	deal	VERB
ajst-15454	25	18	with	with	ADP
ajst-15454	25	19	high	high	ADJ
ajst-15454	25	20	-	-	PUNCT
ajst-15454	25	21	dimensional	dimensional	ADJ
ajst-15454	25	22	data	datum	NOUN
ajst-15454	25	23	,	,	PUNCT
ajst-15454	25	24	leading	lead	VERB
ajst-15454	25	25	to	to	ADP
ajst-15454	25	26	a	a	DET
ajst-15454	25	27	decrease	decrease	NOUN
ajst-15454	25	28	in	in	ADP
ajst-15454	25	29	query	query	NOUN
ajst-15454	25	30	efficiency	efficiency	NOUN
ajst-15454	25	31	.	.	PUNCT
ajst-15454	26	1	furthermore	furthermore	ADV
ajst-15454	26	2	,	,	PUNCT
ajst-15454	26	3	traditional	traditional	ADJ
ajst-15454	26	4	kd	kd	PROPN
ajst-15454	26	5	-	-	PUNCT
ajst-15454	26	6	trees	tree	NOUN
ajst-15454	26	7	are	be	AUX
ajst-15454	26	8	unsuitable	unsuitable	ADJ
ajst-15454	26	9	for	for	ADP
ajst-15454	26	10	handling	handle	VERB
ajst-15454	26	11	dynamic	dynamic	ADJ
ajst-15454	26	12	data	datum	NOUN
ajst-15454	26	13	due	due	ADP
ajst-15454	26	14	to	to	ADP
ajst-15454	26	15	the	the	DET
ajst-15454	26	16	disruption	disruption	NOUN
ajst-15454	26	17	of	of	ADP
ajst-15454	26	18	tree	tree	NOUN
ajst-15454	26	19	balance	balance	NOUN
ajst-15454	26	20	and	and	CCONJ
ajst-15454	26	21	the	the	DET
ajst-15454	26	22	need	need	NOUN
ajst-15454	26	23	for	for	ADP
ajst-15454	26	24	rebuilding	rebuild	VERB
ajst-15454	26	25	when	when	SCONJ
ajst-15454	26	26	inserting	insert	VERB
ajst-15454	26	27	or	or	CCONJ
ajst-15454	26	28	deleting	delete	VERB
ajst-15454	26	29	data	datum	NOUN
ajst-15454	26	30	points	point	NOUN
ajst-15454	26	31	.	.	PUNCT
ajst-15454	27	1	to	to	PART
ajst-15454	27	2	enhance	enhance	VERB
ajst-15454	27	3	the	the	DET
ajst-15454	27	4	efficiency	efficiency	NOUN
ajst-15454	27	5	of	of	ADP
ajst-15454	27	6	kd	kd	PROPN
ajst-15454	27	7	-	-	PUNCT
ajst-15454	27	8	tree	tree	NOUN
ajst-15454	27	9	creation	creation	NOUN
ajst-15454	27	10	,	,	PUNCT
ajst-15454	27	11	a	a	DET
ajst-15454	27	12	rapid	rapid	ADJ
ajst-15454	27	13	segmentation	segmentation	NOUN
ajst-15454	27	14	algorithm	algorithm	NOUN
ajst-15454	27	15	based	base	VERB
ajst-15454	27	16	on	on	ADP
ajst-15454	27	17	a	a	DET
ajst-15454	27	18	greedy	greedy	ADJ
ajst-15454	27	19	method	method	NOUN
ajst-15454	27	20	was	be	AUX
ajst-15454	27	21	employed	employ	VERB
ajst-15454	27	22	in	in	ADP
ajst-15454	27	23	this	this	DET
ajst-15454	27	24	study	study	NOUN
ajst-15454	27	25	,	,	PUNCT
ajst-15454	27	26	as	as	SCONJ
ajst-15454	27	27	reported	report	VERB
ajst-15454	27	28	by	by	ADP
ajst-15454	27	29	the	the	DET
ajst-15454	27	30	chinese	chinese	PROPN
ajst-15454	27	31	academy	academy	PROPN
ajst-15454	27	32	of	of	ADP
ajst-15454	27	33	sciences	sciences	PROPN
ajst-15454	27	34	in	in	ADP
ajst-15454	27	35	2015	2015	NUM
ajst-15454	27	36	[	[	X
ajst-15454	27	37	2	2	NUM
ajst-15454	27	38	]	]	PUNCT
ajst-15454	27	39	.	.	PUNCT
ajst-15454	28	1	the	the	DET
ajst-15454	28	2	fundamental	fundamental	ADJ
ajst-15454	28	3	concept	concept	NOUN
ajst-15454	28	4	of	of	ADP
ajst-15454	28	5	the	the	DET
ajst-15454	28	6	algorithm	algorithm	NOUN
ajst-15454	28	7	lies	lie	VERB
ajst-15454	28	8	in	in	ADP
ajst-15454	28	9	selecting	select	VERB
ajst-15454	28	10	an	an	DET
ajst-15454	28	11	empty	empty	ADJ
ajst-15454	28	12	subspace	subspace	NOUN
ajst-15454	28	13	as	as	SCONJ
ajst-15454	28	14	the	the	DET
ajst-15454	28	15	segmentation	segmentation	NOUN
ajst-15454	28	16	result	result	VERB
ajst-15454	28	17	during	during	ADP
ajst-15454	28	18	each	each	DET
ajst-15454	28	19	space	space	NOUN
ajst-15454	28	20	segmentation	segmentation	NOUN
ajst-15454	28	21	.	.	PUNCT
ajst-15454	29	1	in	in	ADP
ajst-15454	29	2	cases	case	NOUN
ajst-15454	29	3	where	where	SCONJ
ajst-15454	29	4	no	no	DET
ajst-15454	29	5	empty	empty	ADJ
ajst-15454	29	6	subspace	subspace	NOUN
ajst-15454	29	7	exists	exist	VERB
ajst-15454	29	8	,	,	PUNCT
ajst-15454	29	9	direct	direct	ADJ
ajst-15454	29	10	segmentation	segmentation	NOUN
ajst-15454	29	11	is	be	AUX
ajst-15454	29	12	performed	perform	VERB
ajst-15454	29	13	based	base	VERB
ajst-15454	29	14	on	on	ADP
ajst-15454	29	15	the	the	DET
ajst-15454	29	16	midpoint	midpoint	NOUN
ajst-15454	29	17	position	position	NOUN
ajst-15454	29	18	.	.	PUNCT
ajst-15454	30	1	this	this	DET
ajst-15454	30	2	approach	approach	NOUN
ajst-15454	30	3	eliminates	eliminate	VERB
ajst-15454	30	4	the	the	DET
ajst-15454	30	5	need	need	NOUN
ajst-15454	30	6	for	for	ADP
ajst-15454	30	7	ordering	order	VERB
ajst-15454	30	8	slice	slice	NOUN
ajst-15454	30	9	coordinates	coordinate	NOUN
ajst-15454	30	10	,	,	PUNCT
ajst-15454	30	11	thereby	thereby	ADV
ajst-15454	30	12	reducing	reduce	VERB
ajst-15454	30	13	computational	computational	ADJ
ajst-15454	30	14	complexity	complexity	NOUN
ajst-15454	30	15	and	and	CCONJ
ajst-15454	30	16	memory	memory	NOUN
ajst-15454	30	17	access	access	NOUN
ajst-15454	30	18	.	.	PUNCT
ajst-15454	31	1	the	the	DET
ajst-15454	31	2	algorithm	algorithm	NOUN
ajst-15454	31	3	is	be	AUX
ajst-15454	31	4	also	also	ADV
ajst-15454	31	5	well	well	ADV
ajst-15454	31	6	-	-	PUNCT
ajst-15454	31	7	suited	suit	VERB
ajst-15454	31	8	for	for	ADP
ajst-15454	31	9	gpu	gpu	NOUN
ajst-15454	31	10	implementation	implementation	NOUN
ajst-15454	31	11	as	as	SCONJ
ajst-15454	31	12	it	it	PRON
ajst-15454	31	13	does	do	AUX
ajst-15454	31	14	not	not	PART
ajst-15454	31	15	necessitate	necessitate	ADJ
ajst-15454	31	16	synchronization	synchronization	NOUN
ajst-15454	31	17	or	or	CCONJ
ajst-15454	31	18	communication	communication	NOUN
ajst-15454	31	19	operations	operation	NOUN
ajst-15454	31	20	,	,	PUNCT
ajst-15454	31	21	only	only	ADV
ajst-15454	31	22	simple	simple	ADJ
ajst-15454	31	23	logical	logical	ADJ
ajst-15454	31	24	judgments	judgment	NOUN
ajst-15454	31	25	and	and	CCONJ
ajst-15454	31	26	mathematical	mathematical	ADJ
ajst-15454	31	27	computations	computation	NOUN
ajst-15454	31	28	.	.	PUNCT
ajst-15454	32	1	consequently	consequently	ADV
ajst-15454	32	2	,	,	PUNCT
ajst-15454	32	3	an	an	DET
ajst-15454	32	4	efficient	efficient	ADJ
ajst-15454	32	5	method	method	NOUN
ajst-15454	32	6	for	for	ADP
ajst-15454	32	7	kd	kd	PROPN
ajst-15454	32	8	-	-	PUNCT
ajst-15454	32	9	tree	tree	NOUN
ajst-15454	32	10	55	55	NUM
ajst-15454	32	11	creation	creation	NOUN
ajst-15454	32	12	is	be	AUX
ajst-15454	32	13	achieved	achieve	VERB
ajst-15454	32	14	,	,	PUNCT
ajst-15454	32	15	exhibiting	exhibit	VERB
ajst-15454	32	16	approximately	approximately	ADV
ajst-15454	32	17	20	20	NUM
ajst-15454	32	18	%	%	NOUN
ajst-15454	32	19	greater	great	ADJ
ajst-15454	32	20	efficiency	efficiency	NOUN
ajst-15454	32	21	compared	compare	VERB
ajst-15454	32	22	to	to	ADP
ajst-15454	32	23	traditional	traditional	ADJ
ajst-15454	32	24	kd	kd	NOUN
ajst-15454	32	25	-	-	PUNCT
ajst-15454	32	26	trees	tree	NOUN
ajst-15454	32	27	.	.	PUNCT
ajst-15454	33	1	moreover	moreover	ADV
ajst-15454	33	2	,	,	PUNCT
ajst-15454	33	3	gpubased	gpubase	VERB
ajst-15454	33	4	ray	ray	NOUN
ajst-15454	33	5	tracing	tracing	NOUN
ajst-15454	33	6	demonstrates	demonstrate	VERB
ajst-15454	33	7	a	a	DET
ajst-15454	33	8	six	six	NUM
ajst-15454	33	9	-	-	ADJ
ajst-15454	33	10	fold	fold	ADJ
ajst-15454	33	11	increase	increase	NOUN
ajst-15454	33	12	in	in	ADP
ajst-15454	33	13	efficiency	efficiency	NOUN
ajst-15454	33	14	over	over	ADP
ajst-15454	33	15	cpu	cpu	NOUN
ajst-15454	33	16	-	-	PUNCT
ajst-15454	33	17	based	base	VERB
ajst-15454	33	18	approaches	approach	NOUN
ajst-15454	33	19	.	.	PUNCT
ajst-15454	34	1	3	3	X
ajst-15454	34	2	.	.	X
ajst-15454	34	3	dynamic	dynamic	ADJ
ajst-15454	34	4	optimization	optimization	NOUN
ajst-15454	34	5	of	of	ADP
ajst-15454	34	6	grid	grid	NOUN
ajst-15454	34	7	resolution	resolution	NOUN
ajst-15454	34	8	algorithm	algorithm	NOUN
ajst-15454	34	9	in	in	ADP
ajst-15454	34	10	2008	2008	NUM
ajst-15454	34	11	,	,	PUNCT
ajst-15454	34	12	the	the	DET
ajst-15454	34	13	state	state	NOUN
ajst-15454	34	14	key	key	ADJ
ajst-15454	34	15	laboratory	laboratory	NOUN
ajst-15454	34	16	of	of	ADP
ajst-15454	34	17	computer	computer	NOUN
ajst-15454	34	18	science	science	NOUN
ajst-15454	34	19	at	at	ADP
ajst-15454	34	20	the	the	DET
ajst-15454	34	21	institute	institute	PROPN
ajst-15454	34	22	of	of	ADP
ajst-15454	34	23	software	software	PROPN
ajst-15454	34	24	,	,	PUNCT
ajst-15454	34	25	chinese	chinese	PROPN
ajst-15454	34	26	academy	academy	PROPN
ajst-15454	34	27	of	of	ADP
ajst-15454	34	28	sciences	sciences	PROPN
ajst-15454	34	29	,	,	PUNCT
ajst-15454	34	30	proposed	propose	VERB
ajst-15454	34	31	a	a	DET
ajst-15454	34	32	surface	surface	NOUN
ajst-15454	34	33	-	-	PUNCT
ajst-15454	34	34	based	base	VERB
ajst-15454	34	35	cost	cost	NOUN
ajst-15454	34	36	pre	pre	ADJ
ajst-15454	34	37	-	-	ADJ
ajst-15454	34	38	estimation	estimation	ADJ
ajst-15454	34	39	method	method	NOUN
ajst-15454	34	40	for	for	ADP
ajst-15454	34	41	optimizing	optimize	VERB
ajst-15454	34	42	grid	grid	NOUN
ajst-15454	34	43	organization	organization	NOUN
ajst-15454	34	44	in	in	ADP
ajst-15454	34	45	ray	ray	NOUN
ajst-15454	34	46	tracing	trace	VERB
ajst-15454	34	47	calculations	calculation	NOUN
ajst-15454	34	48	.	.	PUNCT
ajst-15454	35	1	through	through	ADP
ajst-15454	35	2	experimental	experimental	ADJ
ajst-15454	35	3	validation	validation	NOUN
ajst-15454	35	4	,	,	PUNCT
ajst-15454	35	5	an	an	DET
ajst-15454	35	6	algorithm	algorithm	NOUN
ajst-15454	35	7	was	be	AUX
ajst-15454	35	8	developed	develop	VERB
ajst-15454	35	9	to	to	PART
ajst-15454	35	10	dynamically	dynamically	ADV
ajst-15454	35	11	optimize	optimize	VERB
ajst-15454	35	12	grid	grid	NOUN
ajst-15454	35	13	resolution	resolution	NOUN
ajst-15454	35	14	using	use	VERB
ajst-15454	35	15	this	this	DET
ajst-15454	35	16	approach	approach	NOUN
ajst-15454	35	17	[	[	X
ajst-15454	35	18	3	3	NUM
ajst-15454	35	19	]	]	PUNCT
ajst-15454	35	20	.	.	PUNCT
ajst-15454	36	1	in	in	ADP
ajst-15454	36	2	contrast	contrast	NOUN
ajst-15454	36	3	to	to	ADP
ajst-15454	36	4	existing	exist	VERB
ajst-15454	36	5	methods	method	NOUN
ajst-15454	36	6	,	,	PUNCT
ajst-15454	36	7	the	the	DET
ajst-15454	36	8	approach	approach	NOUN
ajst-15454	36	9	proposed	propose	VERB
ajst-15454	36	10	in	in	ADP
ajst-15454	36	11	this	this	DET
ajst-15454	36	12	paper	paper	NOUN
ajst-15454	36	13	eschews	eschew	NOUN
ajst-15454	36	14	the	the	DET
ajst-15454	36	15	use	use	NOUN
ajst-15454	36	16	of	of	ADP
ajst-15454	36	17	points	point	NOUN
ajst-15454	36	18	or	or	CCONJ
ajst-15454	36	19	lines	line	NOUN
ajst-15454	36	20	for	for	ADP
ajst-15454	36	21	surface	surface	NOUN
ajst-15454	36	22	simulation	simulation	NOUN
ajst-15454	36	23	and	and	CCONJ
ajst-15454	36	24	instead	instead	ADV
ajst-15454	36	25	directly	directly	ADV
ajst-15454	36	26	leverages	leverage	VERB
ajst-15454	36	27	geometric	geometric	ADJ
ajst-15454	36	28	information	information	NOUN
ajst-15454	36	29	and	and	CCONJ
ajst-15454	36	30	distribution	distribution	NOUN
ajst-15454	36	31	characteristics	characteristic	NOUN
ajst-15454	36	32	to	to	PART
ajst-15454	36	33	estimate	estimate	VERB
ajst-15454	36	34	cost	cost	NOUN
ajst-15454	36	35	.	.	PUNCT
ajst-15454	37	1	furthermore	furthermore	ADV
ajst-15454	37	2	,	,	PUNCT
ajst-15454	37	3	it	it	PRON
ajst-15454	37	4	takes	take	VERB
ajst-15454	37	5	into	into	ADP
ajst-15454	37	6	account	account	NOUN
ajst-15454	37	7	potential	potential	ADJ
ajst-15454	37	8	premature	premature	ADJ
ajst-15454	37	9	termination	termination	NOUN
ajst-15454	37	10	during	during	ADP
ajst-15454	37	11	ray	ray	NOUN
ajst-15454	37	12	tracing	tracing	NOUN
ajst-15454	37	13	.	.	PUNCT
ajst-15454	38	1	consequently	consequently	ADV
ajst-15454	38	2	,	,	PUNCT
ajst-15454	38	3	our	our	PRON
ajst-15454	38	4	method	method	NOUN
ajst-15454	38	5	achieves	achieve	VERB
ajst-15454	38	6	more	more	ADV
ajst-15454	38	7	accurate	accurate	ADJ
ajst-15454	38	8	grid	grid	NOUN
ajst-15454	38	9	cost	cost	NOUN
ajst-15454	38	10	estimation	estimation	NOUN
ajst-15454	38	11	and	and	CCONJ
ajst-15454	38	12	enables	enable	VERB
ajst-15454	38	13	more	more	ADV
ajst-15454	38	14	effective	effective	ADJ
ajst-15454	38	15	optimization	optimization	NOUN
ajst-15454	38	16	of	of	ADP
ajst-15454	38	17	grid	grid	NOUN
ajst-15454	38	18	resolution	resolution	NOUN
ajst-15454	38	19	.	.	PUNCT
ajst-15454	39	1	the	the	DET
ajst-15454	39	2	method	method	NOUN
ajst-15454	39	3	proposed	propose	VERB
ajst-15454	39	4	in	in	ADP
ajst-15454	39	5	this	this	DET
ajst-15454	39	6	paper	paper	NOUN
ajst-15454	39	7	demonstrates	demonstrate	VERB
ajst-15454	39	8	adaptability	adaptability	NOUN
ajst-15454	39	9	to	to	PART
ajst-15454	39	10	dynamically	dynamically	VERB
ajst-15454	39	11	changing	change	VERB
ajst-15454	39	12	scenarios	scenario	NOUN
ajst-15454	39	13	,	,	PUNCT
ajst-15454	39	14	distinguishing	distinguish	VERB
ajst-15454	39	15	it	it	PRON
ajst-15454	39	16	from	from	ADP
ajst-15454	39	17	existing	exist	VERB
ajst-15454	39	18	methods	method	NOUN
ajst-15454	39	19	that	that	PRON
ajst-15454	39	20	are	be	AUX
ajst-15454	39	21	limited	limit	VERB
ajst-15454	39	22	to	to	ADP
ajst-15454	39	23	static	static	ADJ
ajst-15454	39	24	scenarios	scenario	NOUN
ajst-15454	39	25	.	.	PUNCT
ajst-15454	40	1	experimental	experimental	ADJ
ajst-15454	40	2	results	result	NOUN
ajst-15454	40	3	validate	validate	VERB
ajst-15454	40	4	the	the	DET
ajst-15454	40	5	effectiveness	effectiveness	NOUN
ajst-15454	40	6	and	and	CCONJ
ajst-15454	40	7	superiority	superiority	NOUN
ajst-15454	40	8	of	of	ADP
ajst-15454	40	9	the	the	DET
ajst-15454	40	10	proposed	propose	VERB
ajst-15454	40	11	approach	approach	NOUN
ajst-15454	40	12	,	,	PUNCT
ajst-15454	40	13	while	while	SCONJ
ajst-15454	40	14	also	also	ADV
ajst-15454	40	15	showcasing	showcase	VERB
ajst-15454	40	16	its	its	PRON
ajst-15454	40	17	potential	potential	NOUN
ajst-15454	40	18	for	for	ADP
ajst-15454	40	19	seamless	seamless	ADJ
ajst-15454	40	20	extension	extension	NOUN
ajst-15454	40	21	to	to	ADP
ajst-15454	40	22	other	other	ADJ
ajst-15454	40	23	uniform	uniform	NOUN
ajst-15454	40	24	meshbased	meshbase	VERB
ajst-15454	40	25	acceleration	acceleration	NOUN
ajst-15454	40	26	structures	structure	NOUN
ajst-15454	40	27	–	–	PUNCT
ajst-15454	40	28	a	a	DET
ajst-15454	40	29	promising	promising	ADJ
ajst-15454	40	30	avenue	avenue	NOUN
ajst-15454	40	31	for	for	ADP
ajst-15454	40	32	future	future	ADJ
ajst-15454	40	33	research	research	NOUN
ajst-15454	40	34	in	in	ADP
ajst-15454	40	35	this	this	DET
ajst-15454	40	36	domain	domain	NOUN
ajst-15454	40	37	.	.	PUNCT
ajst-15454	41	1	4	4	X
ajst-15454	41	2	.	.	X
ajst-15454	41	3	approach	approach	NOUN
ajst-15454	41	4	for	for	ADP
ajst-15454	41	5	efficient	efficient	ADJ
ajst-15454	41	6	nurbs	nurb	NOUN
ajst-15454	41	7	surface	surface	NOUN
ajst-15454	41	8	search	search	NOUN
ajst-15454	41	9	during	during	ADP
ajst-15454	41	10	ray	ray	NOUN
ajst-15454	41	11	tracing	trace	VERB
ajst-15454	41	12	in	in	ADP
ajst-15454	41	13	2021	2021	NUM
ajst-15454	41	14	,	,	PUNCT
ajst-15454	41	15	a	a	DET
ajst-15454	41	16	method	method	NOUN
ajst-15454	41	17	for	for	ADP
ajst-15454	41	18	optimizing	optimize	VERB
ajst-15454	41	19	ray	ray	NOUN
ajst-15454	41	20	tracing	trace	VERB
ajst-15454	41	21	for	for	ADP
ajst-15454	41	22	clipping	clip	VERB
ajst-15454	41	23	nurbs	nurb	NOUN
ajst-15454	41	24	surfaces	surface	NOUN
ajst-15454	41	25	on	on	ADP
ajst-15454	41	26	gpus	gpu	NOUN
ajst-15454	41	27	was	be	AUX
ajst-15454	41	28	published	publish	VERB
ajst-15454	41	29	in	in	ADP
ajst-15454	41	30	the	the	DET
ajst-15454	41	31	wiley	wiley	PROPN
ajst-15454	41	32	journal	journal	NOUN
ajst-15454	41	33	[	[	X
ajst-15454	41	34	4	4	NUM
ajst-15454	41	35	]	]	PUNCT
ajst-15454	41	36	.	.	PUNCT
ajst-15454	42	1	the	the	DET
ajst-15454	42	2	utilization	utilization	NOUN
ajst-15454	42	3	of	of	ADP
ajst-15454	42	4	nurbs	nurbs	NOUN
ajst-15454	42	5	surfaces	surface	NOUN
ajst-15454	42	6	as	as	ADP
ajst-15454	42	7	representations	representation	NOUN
ajst-15454	42	8	for	for	ADP
ajst-15454	42	9	geometric	geometric	ADJ
ajst-15454	42	10	models	model	NOUN
ajst-15454	42	11	is	be	AUX
ajst-15454	42	12	a	a	DET
ajst-15454	42	13	prevalent	prevalent	ADJ
ajst-15454	42	14	technique	technique	NOUN
ajst-15454	42	15	within	within	ADP
ajst-15454	42	16	the	the	DET
ajst-15454	42	17	cad	cad	NOUN
ajst-15454	42	18	industry	industry	NOUN
ajst-15454	42	19	.	.	PUNCT
ajst-15454	43	1	in	in	ADP
ajst-15454	43	2	cad	cad	PROPN
ajst-15454	43	3	applications	application	NOUN
ajst-15454	43	4	,	,	PUNCT
ajst-15454	43	5	surface	surface	NOUN
ajst-15454	43	6	drawing	draw	VERB
ajst-15454	43	7	commonly	commonly	ADV
ajst-15454	43	8	employs	employ	VERB
ajst-15454	43	9	mesh	mesh	NOUN
ajst-15454	43	10	division	division	NOUN
ajst-15454	43	11	and	and	CCONJ
ajst-15454	43	12	z	z	NOUN
ajst-15454	43	13	-	-	PUNCT
ajst-15454	43	14	buffer	buffer	NOUN
ajst-15454	43	15	drawing	drawing	NOUN
ajst-15454	43	16	techniques	technique	NOUN
ajst-15454	43	17	.	.	PUNCT
ajst-15454	44	1	however	however	ADV
ajst-15454	44	2	,	,	PUNCT
ajst-15454	44	3	due	due	ADP
ajst-15454	44	4	to	to	ADP
ajst-15454	44	5	the	the	DET
ajst-15454	44	6	intricate	intricate	ADJ
ajst-15454	44	7	computations	computation	NOUN
ajst-15454	44	8	involved	involve	VERB
ajst-15454	44	9	,	,	PUNCT
ajst-15454	44	10	real	real	ADJ
ajst-15454	44	11	-	-	PUNCT
ajst-15454	44	12	time	time	NOUN
ajst-15454	44	13	performance	performance	NOUN
ajst-15454	44	14	remains	remain	VERB
ajst-15454	44	15	challenging	challenge	VERB
ajst-15454	44	16	to	to	PART
ajst-15454	44	17	achieve	achieve	VERB
ajst-15454	44	18	when	when	SCONJ
ajst-15454	44	19	employing	employ	VERB
ajst-15454	44	20	ray	ray	NOUN
ajst-15454	44	21	tracing	trace	VERB
ajst-15454	44	22	on	on	ADP
ajst-15454	44	23	nurbs	nurb	NOUN
ajst-15454	44	24	surfaces	surface	NOUN
ajst-15454	44	25	,	,	PUNCT
ajst-15454	44	26	which	which	PRON
ajst-15454	44	27	explains	explain	VERB
ajst-15454	44	28	its	its	PRON
ajst-15454	44	29	limited	limited	ADJ
ajst-15454	44	30	industrial	industrial	ADJ
ajst-15454	44	31	usage	usage	NOUN
ajst-15454	44	32	.	.	PUNCT
ajst-15454	45	1	in	in	ADP
ajst-15454	45	2	this	this	DET
ajst-15454	45	3	paper	paper	NOUN
ajst-15454	45	4	,	,	PUNCT
ajst-15454	45	5	we	we	PRON
ajst-15454	45	6	propose	propose	VERB
ajst-15454	45	7	a	a	DET
ajst-15454	45	8	novel	novel	ADJ
ajst-15454	45	9	approach	approach	NOUN
ajst-15454	45	10	for	for	ADP
ajst-15454	45	11	efficient	efficient	ADJ
ajst-15454	45	12	nurbs	nurb	NOUN
ajst-15454	45	13	surface	surface	NOUN
ajst-15454	45	14	search	search	NOUN
ajst-15454	45	15	during	during	ADP
ajst-15454	45	16	ray	ray	NOUN
ajst-15454	45	17	tracing	tracing	NOUN
ajst-15454	45	18	.	.	PUNCT
ajst-15454	46	1	our	our	PRON
ajst-15454	46	2	proposed	propose	VERB
ajst-15454	46	3	kdtree	kdtree	NOUN
ajst-15454	46	4	-	-	PUNCT
ajst-15454	46	5	based	base	VERB
ajst-15454	46	6	two	two	NUM
ajst-15454	46	7	-	-	PUNCT
ajst-15454	46	8	dimensional	dimensional	ADJ
ajst-15454	46	9	data	datum	NOUN
ajst-15454	46	10	structure	structure	NOUN
ajst-15454	46	11	not	not	PART
ajst-15454	46	12	only	only	ADV
ajst-15454	46	13	accelerates	accelerate	VERB
ajst-15454	46	14	the	the	DET
ajst-15454	46	15	speed	speed	NOUN
ajst-15454	46	16	of	of	ADP
ajst-15454	46	17	ray	ray	NOUN
ajst-15454	46	18	tracing	tracing	NOUN
ajst-15454	46	19	but	but	CCONJ
ajst-15454	46	20	also	also	ADV
ajst-15454	46	21	exhibits	exhibit	VERB
ajst-15454	46	22	lower	low	ADJ
ajst-15454	46	23	memory	memory	NOUN
ajst-15454	46	24	consumption	consumption	NOUN
ajst-15454	46	25	and	and	CCONJ
ajst-15454	46	26	shorter	short	ADJ
ajst-15454	46	27	preprocessing	preprocessing	NOUN
ajst-15454	46	28	time	time	NOUN
ajst-15454	46	29	compared	compare	VERB
ajst-15454	46	30	to	to	ADP
ajst-15454	46	31	previously	previously	ADV
ajst-15454	46	32	published	publish	VERB
ajst-15454	46	33	methods	method	NOUN
ajst-15454	46	34	.	.	PUNCT
ajst-15454	47	1	furthermore	furthermore	ADV
ajst-15454	47	2	,	,	PUNCT
ajst-15454	47	3	we	we	PRON
ajst-15454	47	4	have	have	AUX
ajst-15454	47	5	incorporated	incorporate	VERB
ajst-15454	47	6	cutting	cutting	NOUN
ajst-15454	47	7	-	-	PUNCT
ajst-15454	47	8	edge	edge	NOUN
ajst-15454	47	9	ray	ray	NOUN
ajst-15454	47	10	tracing	trace	VERB
ajst-15454	47	11	technology	technology	NOUN
ajst-15454	47	12	to	to	PART
ajst-15454	47	13	efficiently	efficiently	ADV
ajst-15454	47	14	trim	trim	VERB
ajst-15454	47	15	nurbs	nurb	NOUN
ajst-15454	47	16	surfaces	surface	NOUN
ajst-15454	47	17	on	on	ADP
ajst-15454	47	18	gpus	gpu	NOUN
ajst-15454	47	19	.	.	PUNCT
ajst-15454	48	1	through	through	ADP
ajst-15454	48	2	meticulous	meticulous	ADJ
ajst-15454	48	3	design	design	NOUN
ajst-15454	48	4	and	and	CCONJ
ajst-15454	48	5	implementation	implementation	NOUN
ajst-15454	48	6	,	,	PUNCT
ajst-15454	48	7	our	our	PRON
ajst-15454	48	8	approach	approach	NOUN
ajst-15454	48	9	achieves	achieve	VERB
ajst-15454	48	10	real	real	ADJ
ajst-15454	48	11	-	-	PUNCT
ajst-15454	48	12	time	time	NOUN
ajst-15454	48	13	performance	performance	NOUN
ajst-15454	48	14	by	by	ADP
ajst-15454	48	15	enabling	enable	VERB
ajst-15454	48	16	the	the	DET
ajst-15454	48	17	gpu	gpu	NOUN
ajst-15454	48	18	to	to	PART
ajst-15454	48	19	handle	handle	VERB
ajst-15454	48	20	thousands	thousand	NOUN
ajst-15454	48	21	to	to	ADP
ajst-15454	48	22	hundreds	hundred	NOUN
ajst-15454	48	23	of	of	ADP
ajst-15454	48	24	millions	million	NOUN
ajst-15454	48	25	of	of	ADP
ajst-15454	48	26	ray	ray	NOUN
ajst-15454	48	27	casts	cast	NOUN
ajst-15454	48	28	per	per	ADP
ajst-15454	48	29	second	second	NOUN
ajst-15454	48	30	in	in	ADP
ajst-15454	48	31	medium	medium	ADJ
ajst-15454	48	32	to	to	ADP
ajst-15454	48	33	large	large	ADJ
ajst-15454	48	34	complex	complex	ADJ
ajst-15454	48	35	scenes	scene	NOUN
ajst-15454	48	36	comprising	comprise	VERB
ajst-15454	48	37	numerous	numerous	ADJ
ajst-15454	48	38	nurbs	nurb	NOUN
ajst-15454	48	39	surfaces	surface	NOUN
ajst-15454	48	40	and	and	CCONJ
ajst-15454	48	41	pruning	prune	VERB
ajst-15454	48	42	curves	curve	NOUN
ajst-15454	48	43	.	.	PUNCT
ajst-15454	49	1	5	5	X
ajst-15454	49	2	.	.	X
ajst-15454	49	3	conclusion	conclusion	NOUN
ajst-15454	49	4	the	the	DET
ajst-15454	49	5	present	present	ADJ
ajst-15454	49	6	paper	paper	NOUN
ajst-15454	49	7	provides	provide	VERB
ajst-15454	49	8	a	a	DET
ajst-15454	49	9	comprehensive	comprehensive	ADJ
ajst-15454	49	10	summary	summary	NOUN
ajst-15454	49	11	of	of	ADP
ajst-15454	49	12	four	four	NUM
ajst-15454	49	13	ray	ray	NOUN
ajst-15454	49	14	tracing	trace	VERB
ajst-15454	49	15	acceleration	acceleration	NOUN
ajst-15454	49	16	methods	method	NOUN
ajst-15454	49	17	.	.	PUNCT
ajst-15454	50	1	these	these	DET
ajst-15454	50	2	methods	method	NOUN
ajst-15454	50	3	encompass	encompass	VERB
ajst-15454	50	4	the	the	DET
ajst-15454	50	5	utilization	utilization	NOUN
ajst-15454	50	6	of	of	ADP
ajst-15454	50	7	intel	intel	PROPN
ajst-15454	50	8	multi	multi	ADJ
ajst-15454	50	9	-	-	ADJ
ajst-15454	50	10	core	core	ADJ
ajst-15454	50	11	processors	processor	NOUN
ajst-15454	50	12	,	,	PUNCT
ajst-15454	50	13	simd	simd	NOUN
ajst-15454	50	14	instruction	instruction	NOUN
ajst-15454	50	15	sets	set	NOUN
ajst-15454	50	16	,	,	PUNCT
ajst-15454	50	17	and	and	CCONJ
ajst-15454	50	18	mic	mic	ADJ
ajst-15454	50	19	architecture	architecture	NOUN
ajst-15454	50	20	to	to	PART
ajst-15454	50	21	optimize	optimize	VERB
ajst-15454	50	22	both	both	DET
ajst-15454	50	23	the	the	DET
ajst-15454	50	24	ray	ray	NOUN
ajst-15454	50	25	tracing	trace	VERB
ajst-15454	50	26	algorithm	algorithm	NOUN
ajst-15454	50	27	and	and	CCONJ
ajst-15454	50	28	bvh	bvh	NOUN
ajst-15454	50	29	structure	structure	NOUN
ajst-15454	50	30	,	,	PUNCT
ajst-15454	50	31	thereby	thereby	ADV
ajst-15454	50	32	enhancing	enhance	VERB
ajst-15454	50	33	the	the	DET
ajst-15454	50	34	efficiency	efficiency	NOUN
ajst-15454	50	35	and	and	CCONJ
ajst-15454	50	36	universality	universality	NOUN
ajst-15454	50	37	of	of	ADP
ajst-15454	50	38	photorealistic	photorealistic	ADJ
ajst-15454	50	39	rendering	rendering	NOUN
ajst-15454	50	40	.	.	PUNCT
ajst-15454	51	1	the	the	DET
ajst-15454	51	2	greedy	greedy	ADJ
ajst-15454	51	3	fast	fast	ADJ
ajst-15454	51	4	segmentation	segmentation	NOUN
ajst-15454	51	5	algorithm	algorithm	NOUN
ajst-15454	51	6	prioritizes	prioritize	VERB
ajst-15454	51	7	the	the	DET
ajst-15454	51	8	selection	selection	NOUN
ajst-15454	51	9	of	of	ADP
ajst-15454	51	10	empty	empty	ADJ
ajst-15454	51	11	subspaces	subspace	NOUN
ajst-15454	51	12	during	during	ADP
ajst-15454	51	13	kd	kd	PROPN
ajst-15454	51	14	-	-	PUNCT
ajst-15454	51	15	tree	tree	NOUN
ajst-15454	51	16	construction	construction	NOUN
ajst-15454	51	17	,	,	PUNCT
ajst-15454	51	18	thereby	thereby	ADV
ajst-15454	51	19	eliminating	eliminate	VERB
ajst-15454	51	20	the	the	DET
ajst-15454	51	21	need	need	NOUN
ajst-15454	51	22	for	for	ADP
ajst-15454	51	23	sorting	sort	VERB
ajst-15454	51	24	operations	operation	NOUN
ajst-15454	51	25	and	and	CCONJ
ajst-15454	51	26	reducing	reduce	VERB
ajst-15454	51	27	computational	computational	ADJ
ajst-15454	51	28	complexity	complexity	NOUN
ajst-15454	51	29	and	and	CCONJ
ajst-15454	51	30	memory	memory	NOUN
ajst-15454	51	31	access	access	NOUN
ajst-15454	51	32	.	.	PUNCT
ajst-15454	52	1	this	this	DET
ajst-15454	52	2	approach	approach	NOUN
ajst-15454	52	3	is	be	AUX
ajst-15454	52	4	well	well	ADV
ajst-15454	52	5	-	-	PUNCT
ajst-15454	52	6	suited	suit	VERB
ajst-15454	52	7	for	for	ADP
ajst-15454	52	8	implementation	implementation	NOUN
ajst-15454	52	9	on	on	ADP
ajst-15454	52	10	gpus	gpu	NOUN
ajst-15454	52	11	.	.	PUNCT
ajst-15454	53	1	the	the	DET
ajst-15454	53	2	cost	cost	NOUN
ajst-15454	53	3	estimation	estimation	NOUN
ajst-15454	53	4	method	method	NOUN
ajst-15454	53	5	based	base	VERB
ajst-15454	53	6	on	on	ADP
ajst-15454	53	7	surface	surface	NOUN
ajst-15454	53	8	is	be	AUX
ajst-15454	53	9	employed	employ	VERB
ajst-15454	53	10	to	to	PART
ajst-15454	53	11	estimate	estimate	VERB
ajst-15454	53	12	the	the	DET
ajst-15454	53	13	mesh	mesh	NOUN
ajst-15454	53	14	cost	cost	NOUN
ajst-15454	53	15	by	by	ADP
ajst-15454	53	16	utilizing	utilize	VERB
ajst-15454	53	17	geometric	geometric	ADJ
ajst-15454	53	18	information	information	NOUN
ajst-15454	53	19	and	and	CCONJ
ajst-15454	53	20	distribution	distribution	NOUN
ajst-15454	53	21	characteristics	characteristic	NOUN
ajst-15454	53	22	of	of	ADP
ajst-15454	53	23	the	the	DET
ajst-15454	53	24	surface	surface	NOUN
ajst-15454	53	25	.	.	PUNCT
ajst-15454	54	1	additionally	additionally	ADV
ajst-15454	54	2	,	,	PUNCT
ajst-15454	54	3	the	the	DET
ajst-15454	54	4	mesh	mesh	NOUN
ajst-15454	54	5	resolution	resolution	NOUN
ajst-15454	54	6	is	be	AUX
ajst-15454	54	7	dynamically	dynamically	ADV
ajst-15454	54	8	optimized	optimize	VERB
ajst-15454	54	9	according	accord	VERB
ajst-15454	54	10	to	to	ADP
ajst-15454	54	11	this	this	DET
ajst-15454	54	12	cost	cost	NOUN
ajst-15454	54	13	,	,	PUNCT
ajst-15454	54	14	enabling	enable	VERB
ajst-15454	54	15	it	it	PRON
ajst-15454	54	16	to	to	PART
ajst-15454	54	17	adapt	adapt	VERB
ajst-15454	54	18	to	to	ADP
ajst-15454	54	19	dynamic	dynamic	ADJ
ajst-15454	54	20	scene	scene	NOUN
ajst-15454	54	21	changes	change	NOUN
ajst-15454	54	22	.	.	PUNCT
ajst-15454	55	1	moreover	moreover	ADV
ajst-15454	55	2	,	,	PUNCT
ajst-15454	55	3	this	this	DET
ajst-15454	55	4	approach	approach	NOUN
ajst-15454	55	5	can	can	AUX
ajst-15454	55	6	be	be	AUX
ajst-15454	55	7	extended	extend	VERB
ajst-15454	55	8	to	to	ADP
ajst-15454	55	9	other	other	ADJ
ajst-15454	55	10	uniform	uniform	ADJ
ajst-15454	55	11	mesh	mesh	NOUN
ajst-15454	55	12	-	-	PUNCT
ajst-15454	55	13	based	base	VERB
ajst-15454	55	14	acceleration	acceleration	NOUN
ajst-15454	55	15	structures	structure	NOUN
ajst-15454	55	16	.	.	PUNCT
ajst-15454	56	1	the	the	DET
ajst-15454	56	2	present	present	ADJ
ajst-15454	56	3	study	study	NOUN
ajst-15454	56	4	optimizes	optimize	VERB
ajst-15454	56	5	the	the	DET
ajst-15454	56	6	gpubased	gpubase	VERB
ajst-15454	56	7	ray	ray	NOUN
ajst-15454	56	8	tracing	tracing	NOUN
ajst-15454	56	9	method	method	NOUN
ajst-15454	56	10	for	for	ADP
ajst-15454	56	11	nurbs	nurb	NOUN
ajst-15454	56	12	surface	surface	NOUN
ajst-15454	56	13	clipping	clip	VERB
ajst-15454	56	14	by	by	ADP
ajst-15454	56	15	employing	employ	VERB
ajst-15454	56	16	a	a	DET
ajst-15454	56	17	two	two	NUM
ajst-15454	56	18	-	-	PUNCT
ajst-15454	56	19	dimensional	dimensional	ADJ
ajst-15454	56	20	kd	kd	NOUN
ajst-15454	56	21	-	-	PUNCT
ajst-15454	56	22	tree	tree	NOUN
ajst-15454	56	23	data	datum	NOUN
ajst-15454	56	24	structure	structure	NOUN
ajst-15454	56	25	to	to	PART
ajst-15454	56	26	enhance	enhance	VERB
ajst-15454	56	27	point	point	NOUN
ajst-15454	56	28	search	search	NOUN
ajst-15454	56	29	efficiency	efficiency	NOUN
ajst-15454	56	30	.	.	PUNCT
ajst-15454	57	1	this	this	DET
ajst-15454	57	2	approach	approach	NOUN
ajst-15454	57	3	exhibits	exhibit	VERB
ajst-15454	57	4	advantages	advantage	NOUN
ajst-15454	57	5	such	such	ADJ
ajst-15454	57	6	as	as	ADP
ajst-15454	57	7	low	low	ADJ
ajst-15454	57	8	memory	memory	NOUN
ajst-15454	57	9	consumption	consumption	NOUN
ajst-15454	57	10	,	,	PUNCT
ajst-15454	57	11	short	short	ADJ
ajst-15454	57	12	preprocessing	preprocessing	NOUN
ajst-15454	57	13	time	time	NOUN
ajst-15454	57	14	,	,	PUNCT
ajst-15454	57	15	and	and	CCONJ
ajst-15454	57	16	real	real	ADJ
ajst-15454	57	17	-	-	PUNCT
ajst-15454	57	18	time	time	NOUN
ajst-15454	57	19	performance	performance	NOUN
ajst-15454	57	20	.	.	PUNCT
ajst-15454	58	1	the	the	DET
ajst-15454	58	2	paper	paper	NOUN
ajst-15454	58	3	provides	provide	VERB
ajst-15454	58	4	a	a	DET
ajst-15454	58	5	concise	concise	ADJ
ajst-15454	58	6	introduction	introduction	NOUN
ajst-15454	58	7	to	to	ADP
ajst-15454	58	8	the	the	DET
ajst-15454	58	9	principles	principle	NOUN
ajst-15454	58	10	,	,	PUNCT
ajst-15454	58	11	characteristics	characteristic	NOUN
ajst-15454	58	12	,	,	PUNCT
ajst-15454	58	13	and	and	CCONJ
ajst-15454	58	14	effects	effect	NOUN
ajst-15454	58	15	of	of	ADP
ajst-15454	58	16	these	these	DET
ajst-15454	58	17	methods	method	NOUN
ajst-15454	58	18	while	while	SCONJ
ajst-15454	58	19	highlighting	highlight	VERB
ajst-15454	58	20	their	their	PRON
ajst-15454	58	21	potential	potential	ADJ
ajst-15454	58	22	applications	application	NOUN
ajst-15454	58	23	and	and	CCONJ
ajst-15454	58	24	future	future	ADJ
ajst-15454	58	25	developments	development	NOUN
ajst-15454	58	26	in	in	ADP
ajst-15454	58	27	both	both	DET
ajst-15454	58	28	industry	industry	NOUN
ajst-15454	58	29	and	and	CCONJ
ajst-15454	58	30	academia	academia	NOUN
ajst-15454	58	31	.	.	PUNCT
ajst-15454	59	1	references	reference	NOUN
ajst-15454	59	2	[	[	X
ajst-15454	59	3	1	1	NUM
ajst-15454	59	4	]	]	X
ajst-15454	59	5	song	song	NOUN
ajst-15454	59	6	,	,	PUNCT
ajst-15454	59	7	y.	y.	PROPN
ajst-15454	59	8	,	,	PUNCT
ajst-15454	59	9	wang	wang	PROPN
ajst-15454	59	10	l.	l.	PROPN
ajst-15454	59	11	,meng	,meng	PUNCT
ajst-15454	59	12	x.	x.	PROPN
ajst-15454	59	13	,(2015	,(2015	PUNCT
ajst-15454	59	14	)	)	PUNCT
ajst-15454	59	15	parallel	parallel	ADJ
ajst-15454	59	16	ray	ray	NOUN
ajst-15454	59	17	tracing	trace	VERB
ajst-15454	59	18	acceleration	acceleration	NOUN
ajst-15454	59	19	method	method	NOUN
ajst-15454	59	20	based	base	VERB
ajst-15454	59	21	on	on	ADP
ajst-15454	59	22	intel	intel	PROPN
ajst-15454	59	23	integrated	integrate	VERB
ajst-15454	59	24	multi	multi	ADJ
ajst-15454	59	25	-	-	ADJ
ajst-15454	59	26	core	core	ADJ
ajst-15454	59	27	architecture	architecture	NOUN
ajst-15454	59	28	.	.	PUNCT
ajst-15454	60	1	journal	journal	NOUN
ajst-15454	60	2	of	of	ADP
ajst-15454	60	3	computer	computer	NOUN
ajst-15454	60	4	aided	aid	VERB
ajst-15454	60	5	design	design	NOUN
ajst-15454	60	6	and	and	CCONJ
ajst-15454	60	7	graphics	graphic	NOUN
ajst-15454	60	8	.	.	PUNCT
ajst-15454	61	1	[	[	X
ajst-15454	61	2	2	2	NUM
ajst-15454	61	3	]	]	X
ajst-15454	61	4	yue	yue	PROPN
ajst-15454	61	5	t.	t.	PROPN
ajst-15454	61	6	,	,	PUNCT
ajst-15454	61	7	zhao	zhao	PROPN
ajst-15454	61	8	h.	h.	PROPN
ajst-15454	61	9	,	,	PUNCT
ajst-15454	61	10	hua	hua	PROPN
ajst-15454	61	11	h.	h.	PROPN
ajst-15454	61	12	(	(	PUNCT
ajst-15454	61	13	2015	2015	NUM
ajst-15454	61	14	)	)	PUNCT
ajst-15454	61	15	research	research	NOUN
ajst-15454	61	16	and	and	CCONJ
ajst-15454	61	17	implementation	implementation	NOUN
ajst-15454	61	18	of	of	ADP
ajst-15454	61	19	cuda	cuda	NOUN
ajst-15454	61	20	-	-	PUNCT
ajst-15454	61	21	based	base	VERB
ajst-15454	61	22	ray	ray	NOUN
ajst-15454	61	23	tracing	trace	VERB
ajst-15454	61	24	optimization	optimization	NOUN
ajst-15454	61	25	algorithm	algorithm	NOUN
ajst-15454	61	26	.	.	PUNCT
ajst-15454	62	1	shenyang	shenyang	PROPN
ajst-15454	62	2	institute	institute	PROPN
ajst-15454	62	3	of	of	ADP
ajst-15454	62	4	automation	automation	PROPN
ajst-15454	62	5	,	,	PUNCT
ajst-15454	62	6	chinese	chinese	PROPN
ajst-15454	62	7	academy	academy	PROPN
ajst-15454	62	8	of	of	ADP
ajst-15454	62	9	sciences	sciences	PROPN
ajst-15454	62	10	.	.	PUNCT
ajst-15454	63	1	[	[	X
ajst-15454	63	2	3	3	X
ajst-15454	63	3	]	]	X
ajst-15454	63	4	li	li	PROPN
ajst-15454	63	5	j.	j.	PROPN
ajst-15454	63	6	,	,	PUNCT
ajst-15454	63	7	wang	wang	PROPN
ajst-15454	63	8	w.	w.	PROPN
ajst-15454	63	9	,	,	PUNCT
ajst-15454	63	10	wu	wu	PROPN
ajst-15454	63	11	e.	e.	PROPN
ajst-15454	63	12	,	,	PUNCT
ajst-15454	63	13	(	(	PUNCT
ajst-15454	63	14	2008	2008	NUM
ajst-15454	63	15	)	)	PUNCT
ajst-15454	63	16	grid	grid	NOUN
ajst-15454	63	17	optimization	optimization	NOUN
ajst-15454	63	18	for	for	ADP
ajst-15454	63	19	accelerating	accelerate	VERB
ajst-15454	63	20	ray	ray	NOUN
ajst-15454	63	21	tracing	trace	VERB
ajst-15454	63	22	calculation	calculation	NOUN
ajst-15454	63	23	.	.	PUNCT
ajst-15454	64	1	journal	journal	PROPN
ajst-15454	64	2	of	of	ADP
ajst-15454	64	3	computeraided	computeraide	VERB
ajst-15454	64	4	design	design	NOUN
ajst-15454	64	5	and	and	CCONJ
ajst-15454	64	6	graphics	graphic	NOUN
ajst-15454	64	7	.	.	PUNCT
ajst-15454	65	1	[	[	X
ajst-15454	65	2	4	4	X
ajst-15454	65	3	]	]	X
ajst-15454	65	4	sloup	sloup	NOUN
ajst-15454	65	5	j.	j.	PROPN
ajst-15454	65	6	,havran	,havran	PUNCT
ajst-15454	65	7	v.(2021)optimizing	v.(2021)optimize	VERB
ajst-15454	65	8	ray	ray	NOUN
ajst-15454	65	9	tracing	tracing	NOUN
ajst-15454	65	10	of	of	ADP
ajst-15454	65	11	trimmed	trimmed	ADJ
ajst-15454	65	12	nurbs	nurbs	NOUN
ajst-15454	65	13	surfaces	surface	NOUN
ajst-15454	65	14	on	on	ADP
ajst-15454	65	15	the	the	DET
ajst-15454	65	16	gpu	gpu	PROPN
ajst-15454	65	17	.	.	PROPN
ajst-15454	65	18	computer	computer	PROPN
ajst-15454	65	19	graphics	graphics	PROPN
ajst-15454	65	20	forum	forum	PROPN
ajst-15454	65	21	,	,	PUNCT
ajst-15454	65	22	volume	volume	NOUN
ajst-15454	65	23	40	40	NUM
ajst-15454	65	24	:	:	PUNCT
ajst-15454	65	25	issue	issue	NOUN
ajst-15454	65	26	7	7	NUM
ajst-15454	65	27	,	,	PUNCT
ajst-15454	65	28	161	161	NUM
ajst-15454	65	29	-	-	SYM
ajst-15454	65	30	172	172	NUM
ajst-15454	65	31	.	.	PUNCT