A Novel Compressive Image Encryption with an Improved 2D Coupled Map Lattice Model

Table 5

The correlation coefficients results of the proposed scheme and other schemes.

Image	Plain image			Encrypted image
	H	V	D	H	V	D
Lena in our scheme	0.8871	0.9316	0.8567	0.0016	0.0002	0.0038
Lena in [24]	0.8871	0.9316	0.8567	0.0003	0.0040	0.0013
Lena in [25]	0.8871	0.9316	0.8567	0.0013	0.0034	0.0072
Lena in [26]	0.8871	0.9316	0.8567	-0.0038	-0.0026	0.0017
Lena in [27]	0.8871	0.9316	0.8567	-0.0031	0.0025	-0.0001
Lena in [28]	0.8871	0.9316	0.8567	0.0046	-0.0028	0.0014
Lena in [29]	0.8871	0.9316	0.8567	0.0005	-0.0070	0.0006
Lena in [30]	0.8871	0.9316	0.8567	-0.0047	0.0028	-0.0043