A Novel Encryption Frame for Medical Image with Watermark Based on Hyperchaotic System

Figure 8

Encryption and decryption of medical image with size 256×256.

(a) Original

(b) Encrypted

(c) Decrypted right

(d) Decrypted wrong 1

(e) Decrypted wrong 2

(f) Histogram of (a)

(g) Histogram of (b)

(h) Histogram of (c)

(i) Histogram of (d)

(j) Histogram of (e)