Research Article

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

Table 7

The information entropy results of the proposed scheme and other schemes.

ImagePlain imageEncrypted image
RGBRGB

Lena in our scheme6.96847.59407.25317.99857.99857.9986
Lena in [24]6.96867.59527.25317.99947.99947.9993
Lena in [25]6.96867.59527.25317.99977.99977.9996
Lena in [27]6.96867.59527.25317.99767.99727.9972
Lena in [28]6.96867.59527.25317.99947.99937.9992
Lena in [29]6.96867.59527.25317.99727.99737.9971
Lena in [30]7.24177.57676.91707.99737.99657.9969