Chaotic Reversible Watermarking Method Based on IWT with Tamper Detection for Transferring Electronic Health Record

Table 4

Criterions results for grayscale images (648,808 bits’ payload).

Cover image	PSNR	SSIM	MSE	NAE	NCC
Lena	39.16776366	0.94241805	3.92137145	0.00795723	0.99828481
Peppers	39.15785072	0.94528910	3.96346664	0.00817899	0.99864270
Mandrill	39.16214677	0.98142495	3.93774414	0.00781284	0.99791707
Barbara	39.17000866	0.95986360	3.92034149	0.00839860	0.99868275
Boat	39.15454443	0.95880376	3.83931350	0.00778576	0.99819215
Man	39.15081530	0.93682292	3.96741104	0.00830203	0.99894934
Chest	39.16677934	0.92011517	3.88083267	0.00753641	0.99767058
Medical	38.38476078	0.90927220	2.82612609	0.02433453	0.99871588
M1	39.02895827	0.93090727	4.45757293	0.01355195	0.99864375