Image Encryption Algorithm Based on Chaotic Economic Model

Table 4

Correlation coefficients of two adjacent pixels in plain and encrypted images.

	Plain image	Zhang and Wang [21]	Plain image	Liu and Wang [17]
H	0.969679241	0.0024	0.9230	−0.0035
V	0.987698390	−0.0007	0.9271	−0.0574
D	0.967310389	0.0012	0.9847	0.0578