Research Article
Entropy-Based Block Scrambling Image Encryption Using DES Structure and Chaotic Systems
Table 6
Correlations of decrypted images with different intensities of noise attack.
| Noise intensity | Correlations | Horizontal | Vertical | Diagonal |
| Original image | 0.9677 | 0.9358 | 0.9020 | 0.01 | 0.8584 | 0.8214 | 0.7983 | 0.04 | 0.6262 | 0.5934 | 0.5714 | 0.1 | 0.3303 | 0.2831 | 0.2840 |
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