Clever Geek Handbook

Active contour implementation

Hi I'm interested in exploring active contours. I have searched the web for some code to understand, but it seems that the examples are application specific. Can anyone provide a link or example with a simple implementation of this?

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Sorry if it's too late. I was looking for Matlab Exchange when I knew almost nothing about active loops and found the code in the link below quite useful:

http://www.mathworks.co.uk/matlabcentral/fileexchange/28149-snake-active-contour

There are many comments in the code explaining what each option does, and if you look at the links it links to (which I highly recommend you do), you should be able to tweak those options to suit your project's needs. There are some simple examples too.



I have only used the 2D version, so I cannot comment on the effectiveness of the 3D version. I found the 2D version to be an easy introduction to active contour algorithms.

A word of warning, inter2 being called in code is slow, you might want to replace it with a faster one.

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There are two active contour models: parametric deforms and geometric deforms. I've been working on parametric deformable models and I want to present you with some great code:

Parametric deformable model code:



iacl.ece.jhu.edu/Projects/gvf/

Written by Xiu, author of GVF. He completed the traditional active models, balloon models, range map and GVF in his code.

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