A Novel Chaotic Image Encryption Algorithm Based on Latin Square and Random Shift

Figure 8

The histogram of the plain image and the corresponding cipher image. (a) The histogram of the Lena plain image. (b) The histogram of the Boat plain image. (c) The histogram of the Hill plain image. (d) The histogram of the Lena cipher image. (e) The histogram of the Boat cipher image. (f) The histogram of the Hill cipher image.

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