A Novel Chaotic Image Encryption Algorithm Based on Latin Square and Random Shift

Table 3

Correlation analysis.

	Horizontal (%)	Vertical (%)	Diagonal (%)
Plain image Lena	0.9618	0.9854	0.9618
Our method	0.0023	0.0158	0.0147
Ref. [20]	−0.0226	0.0041	0.0368
Ref. [21]	−0.0059	−0.0146	0.0211
Ref. [22]	0.0220	0.01792	7E−06