Research Article
A Color-Image Encryption Scheme Using a 2D Chaotic System and DNA Coding
Table 5
Correlation coefficient comparison for encrypted Lena image.
| Correlation coefficient | Proposed scheme | Reference [34] | Reference [35] | Reference [49] | Reference [50] |
| Horizontal | −0.00462 | 0.0066 | 0.0082 | 0.0015 | −0.0207 | Vertical | −0.00219 | 0.0212 | 0.0032 | 0.0015 | −0.0176 | Diagonal | 0.00201 | 0.0048 | 0.0150 | 0.0044 | 0.0168 |
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