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The correlation plots of the cameraman image and the corresponding ciphered image of cameraman. (a) Horizontal correlation of the cameraman image; (b) Vertical correlation of the cameraman image; (c) Diagonal correlation of the cameraman image; (d) Horizontal correlation of the cyphered image of cameraman; (e) Vertical correlation of the cyphered image of cameraman; (f) diagonal correlation of the cyphered image of cameraman.
