Research Article
[Retracted] Image Encryption Algorithm Based on Artificial Bee Colony Algorithm and Chaotic System
Table 1
Correlation of adjacent pixels in different images.
| Images | | Horizontal | Vertical | Diagonal |
| Lena | Plain | 0.9496 | 0.9472 | 0.9264 | | Ciphertext | 0.0029 | | |
| Barbara | Plain | 0.9415 | 0.9619 | 0.9213 | | Ciphertext | | 0.0077 | |
| House | Plain | 0.8980 | 0.8886 | 0.8237 | | Ciphertext | −0.0064 | 0.0015 | −0.0019 |
| Cameraman | Plain | 0.9335 | 0.9592 | 0.9087 | | Ciphertext | 0.0019 | −0.0018 | 0.0062 |
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