Research Article
An Efficient Diffusion Scheme for Chaos-Based Digital Image Encryption
Table 7
Entropies of plain images and cipher images.
| | Entropies of plain images | Entropies of cipher images | Cat map | Baker map | Standard map |
| Lena | 7.445568 | 7.999370 | 7.999424 | 7.999413 | Baboon | 7.357949 | 7.999356 | 7.999189 | 7.999342 | Barb | 7.466426 | 7.999305 | 7.999335 | 7.999355 | Bridge | 5.705560 | 7.999287 | 7.999297 | 7.999305 | Peppers | 7.571478 | 7.999351 | 7.999378 | 7.999371 |
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