Table 1.
Variances of the histograms of the Lena image.
| Channel | Plain Image | Cipher Image [61] | Cipher Image |
|---|---|---|---|
| R | 63,888.1328 | 527.3242 | 244.6797 |
| G | 28,546.0078 | 504.7522 | 239.7656 |
| B | 86,487.8906 | 501.6874 | 239.7969 |
| Average | 57,516.9492 | 511.2546 | 241.4141 |
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