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A novel biological image encryption algorithm based on two dimensional Feigenbaum chaotic map

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Figure

Figure 1. Bifurcation and Blank window for Feigenbaum chaotic mapping
Figure 5. Encrypted image (c) and its histogram (c1) after the gray value encryption
Figure 7. Decryped image(Using wrong decryption key)
Figure 8. Correlation of adjacent pixels of the original image: (a) Correlation of level adjacent pixels of the original image, (b)  Correlation of horizontal adjacent pixels of the original image, (c) Correlation of diagonal adjacent pixels of the original image

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