Table 7 Comparative Entropy Analysis (in pixels) of the Proposed Scheme and Existing Methods.
From: A design of multiple color image encryption scheme based on finite algebraic structures
Original Images | Dimensions (pixels) | Entropy (Encrypted Images) |
|---|---|---|
Butterfly | \(256\times 256\times 3\) | 7.9987 |
Baboon | \(256\times 256\times 3\) | 7.9983 |
Pepper | \(256\times 256\times 3\) | 7.9976 |
Block of \(2\times 2\) | \(256\times 256\times 3\) | 7.9982 |
Block of \(3\times 3\) | \(256\times 256\times 3\) | 7.9983 |
Block of \(4\times 4\) | \(256\times 256\times 3\) | 7.9984 |
Ref55. Baboon | \(256\times 256\times 3\) | 7.9972 |
Ref56. Pepper | \(256\times 256\times 3\) | 7.9974 |
Ref57. Baboon | \(256\times 256\times 3\) | 7.9971 |
Ref58. Baboon | \(256\times 256\times 3\) | 7.9972 |
