Research Article

[Retracted] Medical Image Encryption Based on 2D Zigzag Confusion and Dynamic Diffusion

Table 14

Performance comparisons.

MetricsHCVCDcNPCR (%)UACI (%)EntropyKeyspace

Banu et al. [5]0.00190.00340.001899.6833.477.99810128
Liu et al. [11]0.00690.02160.003999.6033.447.99929< 2128
Kumar et al. [12]0.08600.02400.020499.1432.544.74531060
Lakshmi et al. [36]0.0037−0.00380.000699.633.417.9910112
Chai et al. [39]−0.02930.0079−0.016099.6033.427.99911098
Banu et al. [49]0.001630.002250.0006599.606733.477.997610206
Rajagopalan et al. [50]0.00980.0051−0.00137.9972>2128
Proposed0.00147.2233 e− 40.000298.53632.107.999310120