An Image Encryption Scheme Based on Lorenz Hyperchaotic System and RSA Algorithm

Table 5

Correlation coefficients of different images.

Original	Plain image			Cipher image
images	Horizontal	Vertical	Diagonal	Horizontal	Vertical	Diagonal
Lena	0.9870	0.9690	0.9627	−0.0328	0.0105	−0.0330
Baboon	0.7794	0.8681	0.7497	−0.0179	−0.0060	0.0181
Peppers	0.9819	0.9747	0.9624	−0.0195	−0.0101	−0.0109
Boat	0.9719	0.9255	0.9268	0.0060	−0.0219	0.0211
Male	0.9790	0.9796	0.9726	0.0048	−0.0253	−0.0097