Combining Haar Wavelet and Karhunen Loeve Transforms for Medical Images Watermarking

Table 1

Evaluation of the PSNR, WPSNR, and the Normalized Cross-Correlation values of the watermarked and attacked images by a JPEG 2000 image compression Algorithm.

Rate (%)	PSNR (dB)	WPSNR (dB)	NC
10	55.7797	44.9018	1.0000
20	52.5173	42.1029	1.0000
30	52.0727	42.1458	1.0000
40	50.9338	41.2982	1.0000
50	49.2004	39.8061	1.0000
60	48.6195	39.3886	1.0000
70	47.3179	38.5497	1.0000
80	45.0417	37.0304	0.7358
90	40.8006	33.7765	0.5422