A New Double Color Image Watermarking Algorithm Based on the SVD and Arnold Scrambling

Table 2

PSNR, MSSIM, and NC values and CPU times.

Host image	N	ST	SF	PSNR	MSSIM	NC	CPU (second)
Lena		0	0.28	26.5018	0.8942	0.9998	0.3346
Lena		1	0.28	26.1693	0.8892	0.9998	0.3363
Lena		5	0.28	26.2047	0.8840	0.9998	0.3380
Pepper		0	0.14	42.1996	0.9946	0.9995	0.5012
Pepper		1	0.14	42.1940	0.9949	0.9994	0.5075
Pepper		5	0.14	42.0375	0.9947	0.9995	0.5110
Butterfly		0	0.14	44.3700	0.9954	0.9995	1.4372
Butterfly		1	0.14	44.3636	0.9949	0.9995	1.4226
Butterfly		5	0.14	44.3654	0.9949	0.9995	1.4257