Lee W. Campbell, David A. Becker, Ali Azarbayejani, Aaron Bobick, Alex Pentland
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Oct. 1, 1996
Lee W. Campbell, David A. Becker, Ali Azarbayejani, Aaron Bobick, Alex Pentland
Ten different feature vectors are tested in a gesture recognition task which utilizes 3D data gathered in real-time from stereo video cameras, and HMMs for learning and recognition of gestures. Results indicate velocity features are superior to positional features, and partial rotational invariance is sufficient for good performance.