Hello, I have started moving some code into a Boost-based open source generic pattern/gesture recognition library (I briefly mentioned it at my Dataflow+Arts talk at BoostCon) . The examples right now show how to do gesture recognition on some pre-segmented video captures of full-body human gestures, as well as pattern recognition in sequences of floating-point numbers. Soon I'll be adding something for recognition of mouse gestures. The library docs and download info is at: http://ame4.hc.asu.edu/amelia/patterns/ The library is currently GPLed but that's open to debate (this is my research program's first venture into open source and GPL was the safest initial choice). As the library matures I'd like to move it to the Boost license and eventually submit it for Boost review. If anyone is interested in using this library or joining the development, please let me know. The few tests/examples have so far been verified to work on GCC4.0.1/darwin and MSVC8. Kind regards, Stjepan