Figure 6
From: An image encryption scheme using 4-D chaotic system and cellular automaton

Correlation distribution of adjacent pixels in the original and encrypted images. (a) Horizontal, (b) Vertical, (c) Diagonal.
From: An image encryption scheme using 4-D chaotic system and cellular automaton

Correlation distribution of adjacent pixels in the original and encrypted images. (a) Horizontal, (b) Vertical, (c) Diagonal.