An implementation of Rubine's Linear Classifier, adapted to recognize 3D gestures as per the description by Hoffman & LaViola. Dean Rubine. 1991. Specifying gestures by example. SIGGRAPH Comput. Graph. 25, 4 (July 1991), 329-337. DOI=10.1145/127719.122753 http://doi.acm.org/10.1145/127719.122753 Hoffman, M., Varcholik, P., and LaViola, J. "Breaking the Status Quo: Improving 3D Gesture Recognition with Spatially Convenient Input Devices", Proceedings of IEEE Virtual Reality 2010, 59-66, March 2010