code for shuffle the image pixel using Arnold cat map?

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priyanka
priyanka am 3 Apr. 2014
Arnold cat map A=[1 a; b a*b+1]; [x(n+1), y(n+1)]'=(A *[x(n), y(n)]') mod N, N is size of image and n is nth row ,nth column. let image be 'a.jpg'. How to shuffle the image's pixel using Arnold cat map(above code)??

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