Table 3.

PSNR comparison for several original images.

Scheme	PSNR
	Lena	Airplane	Boat	Lake	Pepper	Baboon
Proposed 1	49.36	48.55	49.13	47.95	48.85	47.51
[12]	44.27	43.85	44.37	42.49	44.23	44.31
[14]	44.14	44.14	44.28	44.19	44.17	44.01
[17]	41.00	47.33	48.02	47.11	47.23	47.29
[15]	38.77	39.03	38.67	38.28	37.99	38.49
[22]	45.82	45.81	45.76	45.79	45.80	45.79
[23]	44.32	44.74	45.06	44.73	44.57	45.11
[20]	42.11	41.38	41.49	42.77	42.12	42.23