Image Encryption Algorithm Based on the H-Fractal and Dynamic Self-Invertible Matrix

Figure 9

The histograms of the original images and their cipher images. The histograms of (a) the Lena image, (b) the Cameraman image, (c) the Pepper image, (d) the Lena cipher image, (e) the Cameraman cipher image, and (f) the Pepper cipher image.

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