A Lightweight Image Encryption Algorithm Based on Message Passing and Chaotic Map

Table 3

Comparison of correlation coefficient.

Algorithm	Proposed	[10]	[12]	[14]	[29]
Horizontal	0.0020	0.0068	−0.0047	−0.0126	0.0012
Vertical	0.0035	−0.0054	0.0040	−0.0121	0.0003
Diagonal	0.0027	0.0010	−0.0034	0.0034	−0.0010