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Alex Rivera
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I have a large collection of scanned images, and they are all somewhat skewed, with a white area around them. So, these images have rectangles of colors, surrounded by a large white area. The problem is that these rectangles of color are not parallel to the image border. I'm sure there must be a way to programmatically detect these rectangles of color, so that I can rotate the image (thus un-skewing it) and then crop it so that just the interesting part is left. I guess I'm not really sure what this process is called, so I am having trouble searching for a solution on Google. Does anyone know of an approach that would get me started? Any libraries out there that I should look into? Or the name of an algorithm that would help? I am planning on using Java for this project, but I haven't really started yet, so I am open to library suggestions in any language.
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