Nonlinear Multi-Image Encryption Scheme with the Reality-Preserving Discrete Fractional Angular Transform and DNA Sequences

Figure 5

Correlation distribution results in the horizontal direction for test group 1: (a) “Peppers,” (b) “House,” (c) “Elaine,” (d) “Bridge,” and (e) encrypted image of test group 1.

(a)

(b)

(c)

(d)

(e)