A Polar Complex Exponential Transform-Based Zero-Watermarking for Multiple Medical Images with High Discrimination

Table 3

Verification results among 10 image groups (BER).

Image no	1	2	3	4	5	6	7	8	9	10
1	0	0.3782	0.3799	0.3760	0.3508	0.4290	0.3494	0.4644	0.3142	0.2817
2	0.3782	0	0.3689	0.3870	0.4014	0.4019	0.3774	0.4563	0.3691	0.3523
3	0.3799	0.3689	0	0.2939	0.3313	0.4148	0.2815	0.4111	0.3240	0.3481
4	0.3760	0.3870	0.2939	0	0.3113	0.4080	0.2981	0.3438	0.2834	0.3472
5	0.3508	0.4014	0.3313	0.3113	0	0.3965	0.3335	0.4177	0.3003	0.3484
6	0.4290	0.4019	0.4148	0.4080	0.3965	0	0.3716	0.4094	0.3892	0.4138
7	0.3494	0.3774	0.2815	0.2981	0.3335	0.3716	0	0.3992	0.2939	0.2947
8	0.4644	0.4563	0.4111	0.3438	0.4177	0.4094	0.3992	0	0.4226	0.4497
9	0.3142	0.3691	0.3240	0.2834	0.3003	0.3892	0.2939	0.4226	0	0.2629
10	0.2817	0.3523	0.3481	0.3472	0.3484	0.4138	0.2947	0.4497	0.2629	0