Cryptanalysis and Improvement of Chaos-Based Image Encryption Scheme with Circular Inter-Intra-Pixels Bit-Level Permutation

Figure 5

Comparison of original and improved algorithms: (a) plain image (lady); (b) scrambled image (original algorithm); (c) cipher image (original algorithm); (d) scrambled image (improved algorithm); and (e) cipher image (improved algorithm).

(a)

(b)

(c)

(d)

(e)