How to detected isolated/closed contours?
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Hello. I'd like to know if there are any functions that I can use to detect detached and isolated closed contour lines. I've obtained the contour lines by using:
[C,h] = contourf(...)
But C gives location of points in contours of the same value, and I find it hard to sort out those which forms a close loop and those spread over the space domain. I wonder if there're any algorithms to detect closed contour / detached filament like those in the following image? (I use arrows to indicate some filaments of interest)
Thanks for any kind help.
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Image Analyst
il 24 Apr 2014
I think you should be able to use imregionalmax and imregionalmin in the Image Processing Toolbox.
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