An Effective Framework for Chaotic Image Encryption Based on 3D Logistic Map

Figure 6

Histogram tests: (a) histogram of plain-image Lena, (b) histogram of cipher-image for Lena, (c) histogram of plain-image Boat, (d) histogram of cipher-image for Boat; cipher-image of Lena: (e) top block, (f) bottom block, (g) left block, (h) right block, (i) top-left block, (j)top-right bock, (k) bottom-left block, and (l) bottom-right bock.

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