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<p><b>Abstract</b>—A new view-based approach to the representation and recognition of human movement is presented. The basis of the representation is a <it>temporal template</it>—a static vector-image where the vector value at each point is a function of the motion properties at the corresponding spatial location in an image sequence. Using aerobics exercises as a test domain, we explore the representational power of a simple, two component version of the templates: The first value is a binary value indicating the presence of motion and the second value is a function of the recency of motion in a sequence. We then develop a recognition method matching temporal templates against stored instances of views of known actions. The method automatically performs temporal segmentation, is invariant to linear changes in speed, and runs in real-time on standard platforms.</p>
Motion recognition, computer vision.

A. F. Bobick and J. W. Davis, "The Recognition of Human Movement Using Temporal Templates," in IEEE Transactions on Pattern Analysis & Machine Intelligence, vol. 23, no. , pp. 257-267, 2001.
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