A New Highly Secure Optical Image Security Technique Using Gyrator Transform for Image Security-Related Applications

Table 7

Performance of original and encrypted image for all images.

Key sensitivity	HV			CC	SD	Mean	MSE	RMSE	PSNR
	Original	Encrypt	Decrypt
0.6	369741	325.23	369700	0.010	0.96	4.15	0.72	0.97	83.71
0.7	128567	562.12	128498	0.017	0.38	7.45	0.64	0.75	80.46
0.8	759814	653.32	759804	0.020	0.71	3.72	1.20	1.98	75.01
0.9	317896	235.23	317896	0.008	0.91	2.17	0.98	0.57	98.15