How to get the intersecting coordinates of a binary image?
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Elysi Cochin
el 11 de Feb. de 2019
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/203570/image.png)
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
el 11 de Feb. de 2019
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
el 12 de Feb. de 2019
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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Guillaume
el 12 de Feb. de 2019
Editada: Guillaume
el 12 de Feb. de 2019
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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