Research Article
[Retracted] Medical Image Encryption Based on 2D Zigzag Confusion and Dynamic Diffusion
Table 2
Histogram variance of images using the proposed scheme.
| | Images (grey) | Original | Encrypted | Decrypted |
| | CT (512 × 512) | 55231643.7109 | 1017.6250 | 55231643.7109 | | MRI (512 × 512) | 23507412.3359 | 1031.7422 | 23507412.3359 | | Ultrasound (512 × 512) | 21233944.1641 | 1058.0547 | 21233944.1641 | | X-ray (1024 × 1024) | 6310177.8047 | 4175.5625 | 6310177.8047 | | CT-kidney (1024 × 1024) | 24031572.7188 | 4102.8359 | 24031572.7188 |
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