Novel Iris Biometric Watermarking Based on Singular Value Decomposition and Discrete Cosine Transform

Table 1

Major attack-wise total number of correct detections, false rejections, and false acceptances for 70×400=28000 tests.

	M	NM	W (%)			CD (%)			FR (%)			FA (%)			T
			>95	>90	>85	95	90	85	95	90	85	95	90	85
1	Aspect ratio	30	29	29	30	11776	11835	11862	216	158	132	8	7	6	12000
2	Crop	6	5	5	6	2371	2380	2389	25	18	10	4	2	1	2400
3	JPEG	7	6	6	7	2724	2756	2767	73	42	31	3	2	2	2800
4	Scale	6	4	4	5	1905	1987	2093	448	382	285	47	31	22	2400
5	MAP	6	4	5	5	1396	1548	2173	935	810	200	69	42	27	2400
6	Up-down sample	4	2	2	3	1251	1385	1452	335	204	139	14	11	9	1600
7	Remodulation	4	4	4	4	1574	1582	1591	26	18	9	0	0	0	1600
8	Filtering	3	3	3	3	1189	1192	1197	10	7	3	1	1	0	1200
9	Bending	2	1	1	1	462	481	490	338	319	310	1	0	0	800
10	Copy	2	2	2	2	781	788	795	19	12	5	0	0	0	800
T		70	60	61	66	25429	25934	26809	2425	1970	1124	147	96	67	28000

Note. M: expresses major attack type, NM: expresses number of subattacks, W: expresses watermark detection cases, CD: expresses correct detection, F: expresses false rejection, FA: expresses false acceptance, and T: expresses total.