Table 4 Entropy of the plain and cipher images of dimension \(256 \times 256\).
Image | Plain image | Cipher image | ||||
|---|---|---|---|---|---|---|
Red | Green | Blue | Red | Green | Blue | |
Fruit | 7.552 | 7.337 | 6.475 | 7.9971 | 7.9968 | 7.9974 |
Baboon | 7.683 | 7.381 | 7.682 | 7.9972 | 7.9973 | 7.9971 |
Pepper | 7.721 | 7.527 | 7.109 | 7.9972 | 7.9975 | 7.9972 |
Lake | 7.331 | 7.638 | 7.341 | 7.9971 | 7.9974 | 7.9973 |
All 0’s | 0 | 0 | 0 | 7.9974 | 7.9974 | 7.9974 |
