An image encryption scheme based on three-dimensional Brownian motion and chaotic system
Chai Xiu-Li1, 2, †, Gan Zhi-Hua3, Yuan Ke1, Lu Yang4, Chen Yi-Ran2
       

(color online) Encryption results with the key changed, showing (a) cipher image with K1 , (b) difference between two cipher images, and (c) the histogram of Fig. 9(b).