An Effective Framework for Chaotic Image Encryption Based on 3D Logistic Map

Figure 7

Correlation tests for Lena: (a) plain-image by horizontally, (b) cipher-image by horizontally, (c) plain-image by vertically, (d) cipher-image by vertically, (e) plain-image by diagonally, and (f) cipher-image by diagonally.

(a)

(b)

(c)

(d)

(e)

(f)