Findng paths between nodes in binary image

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Luis Rosety
Luis Rosety 2022-5-26
评论： Luis Rosety 2022-6-5
I am trying to find the paths connecting nodes in a binary image as well as node coordinates.
In this context, I call node to pixel connecting 3 or more paths.
I have tried to find functions or easy procedures to get this output.
This procedure is of course depending on the connectivity.
This image with 4-connectivity has been processed by searching for all pixels having 3 or more neighbors (nodes) and then following "step-by-step" each "exit" path.
But the process is a bit combersome.
Is there a Matlab easiest way to do it?
Thanks
  2 个评论
Lateef Adewale Kareem
Lateef Adewale Kareem 2022-6-5
if you know the points coordinates, use delaunay triangulation
Luis Rosety
Luis Rosety 2022-6-5
Thanks for your reply but what I need is the branch or path connecting the nodes as seen in the image
They are not straight lines as you can see.

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