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How to get the intersecting coordinates of a binary image?

Elysi Cochin さんによって質問されました 2019 年 2 月 11 日
最新アクティビティ Guillaume
さんによって 編集されました 2019 年 2 月 12 日
is there any method to get the coordinate points of the intersecting positions from this binary image and plot it in a graph. How can i get the intersecting coordinate points? Even though not all coordinate points, atleast some of the junctions

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Rik
2019 年 2 月 11 日
There is still a lot of cleanup to do and not all roads seem to be uninterupted. What have you tried to mitigate those two points?
Jan
2019 年 2 月 12 日
You forgot to mention, how "intersectiong positions" is exactly defined. All we see is a binary image and this term. The shown image has a very poor quality for an automatic recognition of elements. There is no way to distinguish a crossing from a bridge, the end of a street from a concealing by a comment (which got black on black during the binarisation). My advice: Either do this manually or give up. With such input, the output is more or less random.

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1 件の回答

Guillaume
回答者: Guillaume
2019 年 2 月 12 日
編集済み: Guillaume
2019 年 2 月 12 日
 採用された回答

You would use the 'branchpoints' operation of bwmorph to isolate the intersections, after you've skeletonised the image with the 'skel' operation. However, as others have said, the quality of your binarised image is poor, so you should first focus on a better binarisation.

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