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I am working on a computer vision project. One step of the project requires me to detect the strips inside an image. I've tried the combination of Canny + Hough transform. The problem is that I usually get several lines detected as the boundary of the strips, which causes problem for me. It seems to be a known problem for hough transform, but is there any method I can use to eliminate the repetitive detection of the same line? I am using the kind of the euclidean distance between two lines (given rho and theta) to determine if they are actually detecting the same line, but this method does not work very well.