A Secure Asymmetric Optical Image Encryption Based on Phase Truncation and Singular Value Decomposition in Linear Canonical Transform Domain

Figure 9

Plots of correlation distribution for randomly chosen 15,000-pixel pairs; (a, d, g, j, m) of input images; (b, e, h, k, n) correlation distribution of input images; (c, f, i, l, o) correlation distribution of encrypted images.

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