Medical Image Encryption and Compression Scheme Using Compressive Sensing and Pixel Swapping Based Permutation Approach

Figure 5

Correlation plots of adjacent two pixels: (a) plain image, correlation plots of the plain image in (b) horizontal, (c) vertical, (d) and diagonal directions; (e) cipher image, correlation plots of the cipher image in (f) horizontal, (g) vertical, (h) and diagonal directions.

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