Estimate 3D Arm Motion with Hierarchical Limb Model | Zendy

Xue-Song YU | Zendy; Jiafeng Liu | Zendy

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Estimate 3D Arm Motion with Hierarchical Limb Model

Author(s) -

Xue-Song YU,

Jiafeng Liu

Publication year - 2009

Publication title -

computer and information science

Language(s) - English

Resource type - Journals

eISSN - 1913-8997

pISSN - 1913-8989

DOI - 10.5539/cis.v2n1p156

Subject(s) - computer science , motion (physics) , physical medicine and rehabilitation , artificial intelligence , medicine

Focusing on the problem of low computation efficiency in the process of tracking human 3D motion, an algorithm for Estimating 3D arm motion with Hierarchy Limb Model (HLM) is proposed. In our algorithm, the Hierarchy Limb Model (HLM) is proposed based on the human 3D skeleton model. Facilitated by graph decomposition, the arm motion state space, modeled by Hierarchy Limb Model (HLM), can be discomposed into low dimension subspaces. The Top-Down search strategy and the Particle Filter are used to tracking the arm motion, thus the amount of particle in tracking can be reduced. To handle server self-occlusions, the weighted color histogram and image contour are used to modeling the observation likelihood function. The result of experiment shows that our algorithm can advance the computation efficiency and handle effectively self-occlusions.

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