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Webcam shape recognition

I would like to extract information if there is a human hand in some photographs taken from a local webcam. I get information on how to extract light information, find bright points or several of them, but how to recognize a figure in some image?

I started a C # project, and I'm using the AForge library to apply some filters to captured images, but I'm pretty stuck with shape recognition.

Where to begin?

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You might be looking at the pattern recognition project on codeplex.

http://www.codeplex.com/IR

This is an open source .NET project written in C #. This should be a good place to start.

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You can do this with OpenCV using haar cascades.

There, even the classifier is easily accessible for non-commercial use - see http://code.google.com/p/ehci/wiki/HandTracking

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