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http://dx.doi.org/10.3745/KIPSTB.2011.18B.1.011

Key Pose-based Proposal Distribution for Upper Body Pose Tracking  

Oh, Chi-Min (전남대학교 전자컴퓨터공학부)
Lee, Chil-Woo (전남대학교 전자컴퓨터공학부)
Abstract
Pictorial Structures is known as an effective method that recognizes and tracks human poses. In this paper, the upper body pose is also tracked by PS and a particle filter(PF). PF is one of dynamic programming methods. But Markov chain-based dynamic motion model which is used in dynamic programming methods such as PF, couldn't predict effectively the highly articulated upper body motions. Therefore PF often fails to track upper body pose. In this paper we propose the key pose-based proposal distribution for proper particle prediction based on the similarities between key poses and an upper body silhouette. In the experimental results we confirmed our 70.51% improved performance comparing with a conventional method.
Keywords
Upper Body Pose; Pictorial Structures; Particle Filter; Proposal Distribution; Key Poses;
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