Research Article
A Secure Asymmetric Optical Image Encryption Based on Phase Truncation and Singular Value Decomposition in Linear Canonical Transform Domain
Table 1
Calculation of CC value along horizontal, diagonal, and vertical of original and cipher images.
| Image | Original image | Cipher image | Horizontal | Diagonal | Vertical | Horizontal | Diagonal | Vertical |
| Lena | 0.9562 | 0.9509 | 0.9817 | 0.0093 | 0.0121 | 0.0086 | Baboon | 0.9077 | 0.7566 | 0.8179 | 0.0077 | 0.0092 | 0.0157 | OPT | 0.9497 | 0.9354 | 0.9695 | 0.0106 | 0.0020 | 0.0092 | Optical image processing | 0.8994 | 0.8586 | 0.9465 | 0.0006 | 0.0038 | 0.0048 |
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