Table 3.

Comparison of the correlation coefficients of two adjacent pixels in Lena with other algorithms.

Color Image	Channels	Original Image			Encrypted Image
		Horizontal	Vertical	Diagona	Horizontal	Vertical	Diagona
Lean	R	0.9437	0.9710	0.9196	0.0016	−0.0008	0.0020
	G	0.9458	0.9724	0.9234	−0.0001	−0.0039	0.0001
	B	0.8952	0.9437	0.8553	−0.0066	−0.0004	0.0010
Ref. [23]	R	0.9853	0.9753	0.9734	0.0046	−0.0028	0.0013
	G	0.9802	0.9666	0.9630	−0.0009	0.0004	0.0007
	B	0.9558	0.9334	0.9264	−0.0007	−0.0029	−0.0050
Ref. [7]	R	0.9956	0.9780	0.9435	0.0092	0.0053	0.0008
	G	0.9943	0.9711	0.9301	0.0043	−0.0051	0.0095
	B	0.9280	0.9575	0.9093	−0.0037	0.0095	0.0033
Ref. [25]	R	0.9566	0.9812	0.9295	0.0027	−0.0013	0.0039
	G	0.9432	0.9695	0.9199	0.0034	−0.0034	−0.0021
	B	0.9269	0.9586	0.9020	−0.0046	0.0038	0.0013
Ref. [26]	R	0.9400	0.9679	0.8829	0.0024	−0.0009	−0.0147
	G	0.9408	0.9709	0.8646	−0.0056	−0.0036	−0.0295
	B	0.8933	0.9426	0.7451	−0.000664	0.0031	−0.0246