- http://www.seas.upenn.edu/~ofirpele/FastEMD/code/
- http://www.mathworks.com/matlabcentral/fileexchange/22962-the-earth-movers-distance
- http://fr.cyclopaedia.net/wiki/Earth-mover,-s-distance
- http://ai.stanford.edu/~rubner/emd/default.htm
- http://www.cs.duke.edu/~tomasi/software/emd.htm
- http://nuit-blanche.blogspot.jp/2012/11/fast-earth-movers-distance-emd.html
- http://www.dabi.temple.edu/~hbling/code_data.htm
- https://github.com/newfolder/PRT/blob/master/distance/prtDistanceEarthMover.m
- http://engineers.missouri.edu/zarea/2014/01/code-earth-movers-distance-based-simultaneous-comparison-of-hyperspectral-endmembers-and-proportions/
- http://newfolder.github.io/prtdoc/functionReference/prtDistanceEarthMover.html
文献もいろいろ探してはみた。