Research Article
Image Encryption Algorithm Based on Dynamic DNA Coding and Chen’s Hyperchaotic System
Figure 4
The histograms of Lena’s and Cameraman’s images.
| (a) The grayscale histogram of Lena’s image |
| (b) The grayscale histogram of Lena’s encrypted image |
| (c) The grayscale histogram of Cameraman’s image |
| (d) The grayscale histogram of Cameraman’s encrypted image |