What is an algorithm to find the largest rectangular pattern that appears more than once in a given image? Given an input img[n][n] of bits, I would like to compute the max area of the repeated pattern.
How can I do this?
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Possible duplicate of [Maximum rectangle algorithm implementation](https://stackoverflow.com/questions/8663079/maximum-rectangle-algorithm-implementation) – willywonkadailyblah Mar 13 '18 at 16:12
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may the rectangle be rotated? – user unknown Mar 13 '18 at 17:02