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

Figure 10

The values of the selected pixels and their adjacent pixels in different directions. Horizontal correlation of (a) the original image and (d) the cipher image. Vertical correlation of (b) the original image and (e) the cipher image. Diagonal correlation of (c) the original image and (f) of the cipher image.

(a)

(b)

(c)

(d)

(e)

(f)