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extract boundaries of images

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fatemeh on 25 Jun 2013
Hi everyone, I work on breast thermal image.I want separate lower boundaries breast of this images.befor use of parabola Hough transform but I want use another robust approch.would it be possible for direct me or introduce valide source to me or anything else?

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Nitin on 26 Jun 2013
did you try to use edge detection techniques such as canny or sobel?
Also, I would give morphological operations a try to see ...
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fatemeh on 27 Jun 2013
yes, it's require using of canny for detect edge but for extract Accurate lower boundary breast has need to use of a robust technique.

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