Table 3: Watermarked Medical Cover Image (Logo embedded in the HH subband).

Type of Attack	X-rays Modality			MRI Modality			CT Scan Modality
	PSNR	SSIM	NC	PSNR	SSIM	NC	PSNR	SSIM	NC
No attack	34.283	0.585	0.995	31.556	0.538	0.979	31.741	0.658	0.977
Mean	33.992	0.434	0.996	30.145	0.529	0.990	30.942	0.416	0.983
Median	36.439	0.538	0.997	32.418	0.629	0.992	33.246	0.607	0.986
Noise	09.212	0.091	0.549	09.630	0.099	0.491	13.645	0.268	0.401
Rotation	13.162	0.104	0.548	14.769	0.015	0.174	16.652	0.011	0.511
Shear	14.112	0.188	0.665	15.258	0.028	0.288	16.028	0.021	0.406
Contrast	11.515	0.319	0.995	12.541	0.284	0.979	10.852	0.185	0.977
Compression	04.099	0.071	0.557	02.988	0.008	0.501	02.470	0.007	0.408
Tampering	18.629	0.467	0.872	18.493	0.429	0.752	15.504	0.531	0.712