Vision-based 3-D tracking of humans in action (1996)
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@TECHREPORT{Gavrila96vision-based3-d,
author = {Dariu M. Gavrila},
title = {Vision-based 3-D tracking of humans in action},
institution = {},
year = {1996}
}
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Abstract
The ability to recognize humans and their activities by visionisessential for future machines to interact intelligently and e ortlessly with a human-inhabited environment. Some of the more promising applications are discussed. A prototype vision system is presented for the tracking of whole-body movement using multiple cameras. 3-D body pose is recovered at each time instant based on occluding contours. The pose-recovery 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. Hermite deformable contours are proposed as a tool for the 2-D contour tracking problem. The main contribution of this dissertation is that it demonstrates for the rst time a set of techniques that allow accurate vision-based 3-D tracking of arbitrary whole-body movement without the use of markers.
