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- Feb 5, 2012

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This is a question that one of my friends sent me. It is kind of open ended and I don't have any clue about the particular area of research he is undertaking. Therefore I am posting the question here with the hope that anybody knowledgable in this area would be able to help.

**Question:**This question is with regard to the following research paper.

http://research.microsoft.com/pubs/70262/tr-2006-10.pdf

My friend says, "I have understood the concept of Gaussian mixture models but I have trouble implementing the equations numerically. I also have no idea on the "Geodesic" boundary curve. "