id	sid	eid	entity	type
ap-864	3	1	stego	ORG
ap-864	3	2	1	CARDINAL
ap-864	5	1	1	CARDINAL
ap-864	5	2	w	ORG
ap-864	6	1	stego	GPE
ap-864	10	1	stego	GPE
ap-864	15	1	2	CARDINAL
ap-864	15	2	2	CARDINAL
ap-864	16	1	czech	NORP
ap-864	16	2	49	CARDINAL
ap-864	16	3	acta polytechnica vol	PERSON
ap-864	17	1	46	CARDINAL
ap-864	18	1	the past few years	DATE
ap-864	27	1	fig	ORG
ap-864	28	1	1	CARDINAL
ap-864	37	1	2	CARDINAL
ap-864	38	1	3	CARDINAL
ap-864	38	2	176×144	CARDINAL
ap-864	40	1	3	CARDINAL
ap-864	41	1	dittmann	ORG
ap-864	41	2	8×8	CARDINAL
ap-864	43	1	dittmann	ORG
ap-864	48	1	stego	GPE
ap-864	53	1	first	ORDINAL
ap-864	54	1	0	CARDINAL
ap-864	54	2	1	CARDINAL
ap-864	55	1	3.1	CARDINAL
ap-864	56	1	first	ORDINAL
ap-864	58	1	1	CARDINAL
ap-864	58	2	n (n	ORG
ap-864	58	3	0	DATE
ap-864	58	4	1	CARDINAL
ap-864	61	1	3	CARDINAL
ap-864	61	2	eight	CARDINAL
ap-864	63	1	five	CARDINAL
ap-864	65	1	3.2	CARDINAL
ap-864	67	1	1	CARDINAL
ap-864	67	2	0	DATE
ap-864	68	1	around 2n	CARDINAL
ap-864	68	2	2n	CARDINAL
ap-864	69	1	1	CARDINAL
ap-864	69	2	0	CARDINAL
ap-864	69	3	4	CARDINAL
ap-864	69	4	two	CARDINAL
ap-864	71	1	psnr	ORG
ap-864	73	1	4–7	CARDINAL
ap-864	73	2	fig.	DATE
ap-864	74	1	8	CARDINAL
ap-864	75	1	1	CARDINAL
ap-864	75	2	3	DATE
ap-864	75	3	5	DATE
ap-864	75	4	8	DATE
ap-864	76	1	50	CARDINAL
ap-864	76	2	czech technical university publishing	ORG
ap-864	76	3	acta polytechnica vol	PERSON
ap-864	76	4	46	CARDINAL
ap-864	77	1	4/2006	CARDINAL
ap-864	78	1	2	CARDINAL
ap-864	79	1	3	CARDINAL
ap-864	80	1	fig.	DATE
ap-864	81	1	9.	CARDINAL
ap-864	81	2	5	CARDINAL
ap-864	83	1	1	CARDINAL
ap-864	83	2	b.	PERSON
ap-864	83	3	crc press	ORG
ap-864	83	4	2005	DATE
ap-864	84	1	2] hartung	DATE
ap-864	84	2	f.	PERSON
ap-864	84	3	kutter.	PERSON
ap-864	84	4	m.	PERSON
ap-864	86	1	87	DATE
ap-864	86	2	1999	DATE
ap-864	86	3	7	CARDINAL
ap-864	86	4	1079–1107	CARDINAL
ap-864	87	1	3	CARDINAL
ap-864	87	2	j.	PERSON
ap-864	87	3	steinmetz	PERSON
ap-864	87	4	r.	NORP
ap-864	87	5	1998	DATE
ap-864	88	1	mediainformatics budapest university of technology and economics	ORG
ap-864	88	2	rkp	ORG
ap-864	89	1	3–9	CARDINAL
ap-864	89	2	budapest	GPE
ap-864	89	3	hungary	GPE
ap-864	89	4	czech technical university publishing house	ORG
ap-864	89	5	51	CARDINAL
ap-864	89	6	acta polytechnica vol	PERSON
ap-864	90	1	46	CARDINAL
ap-864	91	1	4/2006	CARDINAL
ap-864	92	1	4	CARDINAL
ap-864	93	1	5	CARDINAL
ap-864	94	1	6	CARDINAL
ap-864	94	2	n=5	PERSON
ap-864	95	1	8	CARDINAL
ap-864	95	2	psnr	ORG
ap-864	96	1	9	CARDINAL