Understanding human behavior from motion imagery
Machine Vision and Applications - Special issue: Human modeling, analysis, and synthesis
Computer Animation and Virtual Worlds - Special Issue: The Very Best Papers from CASA 2004
Motion detection using an improved colour model
ISVC'06 Proceedings of the Second international conference on Advances in Visual Computing - Volume Part II
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Video-based tracking of contours on the human body has been shown to be useful for many applications, including gait and gesture recognition, posture estimation, and activity analysis. We present a contour tracking method that incorporates a novel edge feature and fuzzy contour template. We apply our method in tracking the motions of older adults exercising in a gym environment. The output of our system is a dynamic fuzzy representation of the spine angle of the subject. We show that the method described in this paper is capable of tracking contours even in cases where human silhouette extraction is poor.