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2014-07-18 06:12:13 -0600 | asked a question | Detecting palm lines Hi, first time opencv user here trying to retrieve palm lines from images like this: So far I got rid of the background and concentrated on the palm like this: Which gives me this result: Now I need to extract these palmlines as polygons. However, I'm having trouble coming up with the correct preprocessing and detection algorithms. I tried to preprocess with: With various parameters using sliders, but it's not giving any results that I can use in edge detection. What algorithm can I use to extract these palm lines? Ideally I'd like to extract something like this: |