Research Article
Visually Meaningful Image Encryption Scheme Based on DWT and Schur Decomposition
| Images | Ours | Reference [21] | Reference [36] | Reference [37] | Reference [38] |
| Lena | 44.0293 | 28.684 | 36.142 | 40.365 | 41.912 | Baboon | 43.8180 | 27.946 | 36.617 | 40.547 | 41.923 | Earth | 43.8986 | 28.933 | 36.479 | 40.566 | 41.913 | Couple | 43.9313 | 27.920 | 35.598 | 39.547 | 40.987 | Bridge | 44.0132 | 26.553 | 36.132 | 39.828 | 41.116 | Boat | 43.8859 | 27.251 | 36.549 | 40.437 | 41.921 | Pepper | 44.0491 | 28.845 | 36.055 | 40.104 | 41.704 | Mean | 43.9465 | 28.019 | 36.225 | 40.199 | 41.639 |
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