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

Table 2

Criterions results for grayscale images (432,538 bits’ payload).

Cover image	PSNR	SSIM	MSE	NAE	NCC
Lena	45.41571356	0.98529705	0.93436050	0.00377006	0.99959233
Peppers	45.40055233	0.98616943	0.94027328	0.00388811	0.99967717
Mandrill	45.37948723	0.99539030	0.94287109	0.00371620	0.99950085
Barbara	45.37739511	0.98971939	0.94022369	0.00401877	0.99968409
Boat	45.28194767	0.98932682	0.96976089	0.00363709	0.99955803
Man	45.40891853	0.98356864	0.94287109	0.00392399	0.99975098
Chest	45.39985440	0.97885607	0.93158340	0.00357256	0.99944428
Medical	44.93731418	0.97929658	0.66186523	0.01098185	0.99970931
M1	45.35225447	0.98161973	1.01231002	0.00653188	0.99968356