3-D model-based tracking of humans in action: a multi-view approach


We present a vision system for the 3-D modelbased tracking of unconstrained human movement. Using image sequences acquired simultaneously from multiple views, we recover the 3-D body pose at each time instant without the use of markers. The poserecovery problem is formulated as a search problem and entails nding the pose parameters of a graphical human model whose synthesized appearance is most similar to the actual appearance of the real human in the multi-view images. The models used for this purpose are acquired from the images. We use a decomposition approach and a bestrst technique to search through the high dimensional pose parameter space. A robust variant of chamfer matching is used as a fast similarity measure between synthesized and real edge images. We present initial tracking results from a large new Humans-In-Action (HIA) database containing more than 2500 frames in each of four orthogonal views. They contain subjects involved in a variety of activities, of various degrees of complexity, ranging from the more simple one-person hand waving to the challenging two-person close interaction in the Argentine Tango.

DOI: 10.1109/CVPR.1996.517056

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@inproceedings{Gavrila19963DMT, title={3-D model-based tracking of humans in action: a multi-view approach}, author={Dariu Gavrila and Larry S. Davis}, booktitle={CVPR}, year={1996} }