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Remove pixels inside the region in an image

asked 2018-03-26 06:50:49 -0500

1610dinesh gravatar image

Hi I am new to open CV and python and I want to remove the pixels inside region in an image(attached) and only wants edges of the image..image description

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answered 2018-03-26 07:43:29 -0500

vps gravatar image

Try this: 1) search big contour and fill it. 2) apply canny edge detection to get edges.

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answered 2018-03-26 07:10:53 -0500

LBerger gravatar image

If you use findContours to get contours then you set RetrievalModes to RETR_EXTERNAL

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Asked: 2018-03-26 06:50:49 -0500

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Last updated: Mar 26 '18