how to partition the vessels for finding tortuosity...

I have to find tortuosity of blood vessels in fundus images..for that partition the vessel into segments is needed...help me to do so...

[Sean de Wolski]

Please post an image to a free webhosting site.

[Walter Roberson]

http://www.mathworks.com/matlabcentral/answers/7924-where-can-i-upload-images-and-files-for-use-on-matlab-answers

[Walter Roberson]

I learned a new word!