2 contours in one defect

asked 2020-10-22 19:22:16 -0500

I would like to put contours on defects on ground glass surface . But some defects have 2 contours in themselves like attached sample picture. One contour is bright. The other is dark. I would like to find defect with one contour, not with 2 contours.

Please help.

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try again with the picture, please ;)

berak gravatar imageberak ( 2020-10-23 01:58:58 -0500 )edit