Table 6 Comparative analysis between different scrambling methods and proposed scrambling method for Lenna.jpg30.
From: Dynamic structure driven image scrambling technique for data protection
Parameters | Arnold’s Transformation | Fibonacci Transformation | Gray Code Bit Plane | 2D Mapping | Row & Column Shifting | Row & Column Shifting + Bit Plane | Proposed method |
|---|---|---|---|---|---|---|---|
Corr | 2.4868 | 3.1170 | 0.0091 | 0.0423 | 0.0139 | 0.0021 | \(-\)0.0002 |
HC | 0.0327 | 0.6513 | 0.1307 | 0.0626 | 0.0646 | 0.0199 | 0.2855 |
VC | -0.0875 | 0.4783 | 0.1676 | 0.0660 | 0.6749 | 0.0165 | 0.3336 |
DC | 0.1963 | 0.2036 | 0.1323 | 0.0667 | 0.0680 | 0.0158 | 0.0789 |
Entropy | 7.4455 | 7.4455 | 7.4455 | 0.7691 | 7.4677 | 7.9976 | 7.0505 |
