Research Article
Image Blocking Encryption Algorithm Based on Laser Chaos Synchronization
Table 2
Correlation coefficient of different plain images and cipher images.
| | Plain image | Horizontal | Vertical | Diagonal | Counterdiagonal |
| | Gray girl | | | | | | Plain image | | | | | | Encrypted image | | | | |
| | Gray Lena | | | | | | Plain image | | | | | | Encrypted image | | | | | | Encrypted image [18] | | | | | | Encrypted image [19] | | | | |
| | Gray boat | | | | | | Plain image | | | | | | Encrypted image | | | | |
| | Binary image | | | | | | Plain image | | | | | | Encrypted image | | | | |
| | Gray Elaine | | | | | | Plain image | | | | | | Encrypted image | | | | |
| | Eight fine horses | | | | | | Plain image | | | | | | Encrypted image | | | | |
| | Color baboon | | | | | | Red | | | | | | Plain image | | | | | | Encrypted image | | | | | | Green | | | | | | Plain image | | | | | | Encrypted image | | | | | | Blue | | | | | | Plain image | | | | | | Encrypted image | | | | |
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