Euler Characteristic Graph (EC-Graph) descriptor calculation
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This matlab code implements the EC-Graph feature calculation for images and for triangular mesh objects, as defined in:

Richardson, Eitan, and Michael Werman. 
"Efficient classification using the Euler characteristic." 
Pattern Recognition Letters 49 (2014): 99-106.
http://www.sciencedirect.com/science/article/pii/S0167865514002050

The folder contains:
imecgraph.m - calculates EC-Graph for a single-channel image.
imecgraphwin.m - calculates multiple EC-Graph features for a single-channel image, in a sliding window.
meshecgraph.m - calculates EC-Graph for a triangular mesh object.
demo*.m - demo scripts.

The code can be freely used for academic purposes.
Please cite our paper when using it.
(C) 2014 by Eitan Richardson 
Please contact eitan.richardson@gmail.com for questions and comments.


