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Does findcontour detect the contour is not closed?

asked 2014-05-11 11:22:55 -0500

wuling gravatar image

updated 2014-05-11 11:32:26 -0500

Hi all, I have a question about the findcontours, if i use canny or other line detect methods.Then i use findcontours to detect all shape contours.How to recognize the contours is closed or not??? If not, how to omit those?

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See the answer here.

Haris gravatar imageHaris ( 2014-05-11 22:38:45 -0500 )edit

Dear Haris,thank your explanation in detial.

wuling gravatar imagewuling ( 2014-05-12 11:33:35 -0500 )edit

You are welcome......:)

Haris gravatar imageHaris ( 2014-05-12 22:34:20 -0500 )edit

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answered 2014-05-13 09:38:15 -0500

wuling gravatar image

Dear Haris: I have the other question,the image like this: image description

If i don't use fill hole and erode. Is it possible to use findcontours to detect cycle?

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You might see Contours Hierarchy, well explained here, also from next time please edit your question instead of using answer section.

Haris gravatar imageHaris ( 2014-05-13 22:50:09 -0500 )edit

Thanks very much

wuling gravatar imagewuling ( 2014-05-13 22:58:05 -0500 )edit
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Asked: 2014-05-11 11:22:55 -0500

Seen: 3,936 times

Last updated: May 13 '14