Research Article
Improved Chaos-Based Cryptosystem for Medical Image Encryption and Decryption
Table 12
Simulation results of the NPCR and UACI test.
| Image | NPCR (%) | UACI (%) | Red | Blue | Green | Red | Blue | Green |
| Lena | 99.68109 | 99.69172 | 99.68452 | 33.83002 | 34.03204 | 33.69463 | Peppers | 99.75642 | 99.70531 | 99.69347 | 33.68726 | 33.59820 | 33.65629 | Baboon | 99.74926 | 99.69642 | 99.70562 | 34.03204 | 33.64322 | 33.58726 | 3D ultrasound | 99.87215 | 99.81436 | 99.75443 | 33.65629 | 33.70929 | 33.66517 | 3D scanner | 99.89427 | 99.83960 | 99.89441 | 34.07125 | 34.08311 | 34.19787 | 3D radiography | 99.89853 | 99.88799 | 99.89711 | 34.09614 | 34.09556 | 34.08134 | 3D X-ray | 99.87732 | 99.89493 | 99.89467 | 34.09847 | 34.09597 | 34.09613 | 3D CT-scan | 99.79369 | 99.65950 | 99.76318 | 33.80594 | 33.89826 | 33.89117 | 1D ultrasound | 99.84620 | 33.82922 | 1D brain | 99.75471 | 33.79463 | 1D endoscopy | 99.79556 | 33.89125 |
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