How can I find branchpoints this retina image?

Hi, I found vessel image from retinal image color. But my project must find all vessel lengths and one how much tortuosity have one main vessel?Mathemetical if I find brancpoints of my image,I can bring ut vessel length with spline. What do you think about this problem?

Answer 1

[Image Analyst]

If you skeletonize with bwmorph(), then you can find the branchpoints, also with bwmorph().

I don't know what "I can bring ut vessel length with spline" means.

[Evren sezgin]

I can use this code but I saw a different image. BW6 = bwmorph(BW5,'skel',Inf);

[Image Analyst]

It expects the "foreground" to be white, so invert your image before doing further morphology, such as skeletonization.

[Evren sezgin]

ok.Thanks to reply.it works now.