Research Article
A Novel Compressive Image Encryption with an Improved 2D Coupled Map Lattice Model
Table 2
The information entropy of the plain image and the encrypted image.
| | Image | Components | Plain image | Encrypted image |
| | Lena | R | 6.9684 | 7.9985 | | G | 7.5940 | 7.9985 | | B | 7.2531 | 7.9986 |
| | Pepper | R | 7.0583 | 7.9986 | | G | 7.4963 | 7.9987 | | B | 7.3388 | 7.9986 |
| | Women | R | 6.7825 | 7.9952 | | G | 7.2705 | 7.9951 | | B | 7.2549 | 7.9937 |
| | Tree | R | 6.9207 | 7.9950 | | G | 7.4138 | 7.9948 | | B | 7.2104 | 7.9940 |
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