19 May 2011 Human body tracking using LMS-VSMM from monocular video sequences
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A new model-based human body tracking framework with learned-based theory is proposed in this paper. This framework introduces a likely model set-variable structure multiple models (LMS-VSMM) to track articulated human motion in monocular images sequences. The key joint points are selected as image feature, which are detected automatically and the undetected points are estimated with Particle filters, multiple motion models are learned from CMU motion capture database with ridge regression method to direct tracking. In tracking, motion models currently in effect switches from one to another in order to match the present human motion mode. The motion model is activated according to the change in projection angle of kinematic chain, and topological and compatibility relationship among them. It is terminated according to their model probabilities. And likely model set schemes of VSMM is used to estimate the quaternion vectors of joints rotation. Experiments using two videos demonstrate this tracking framework is efficient with respect to 3D pose and 2D projection.
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Hong Han, Hong Han, Zhichao Chen, Zhichao Chen, LC Jiao, LC Jiao, Youjian Fan, Youjian Fan, } "Human body tracking using LMS-VSMM from monocular video sequences", Proc. SPIE 8049, Automatic Target Recognition XXI, 80490K (19 May 2011); doi: 10.1117/12.883604; https://doi.org/10.1117/12.883604


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