An adaptive approach to human motion tracking from video

Lifang Wu; Chang Wen Chen

doi:10.1117/12.863480

4 August 2010 An adaptive approach to human motion tracking from video

Lifang Wu, Chang Wen Chen

Proceedings Volume 7744, Visual Communications and Image Processing 2010; 77441O (2010) https://doi.org/10.1117/12.863480
Event: Visual Communications and Image Processing 2010, 2010, Huangshan, China

Abstract

Vision based human motion tracking has drawn considerable interests recently because of its extensive applications. In this paper, we propose an approach to tracking the body motion of human balancing on each foot. The ability to balance properly is an important indication of neurological condition. Comparing with many other human motion tracking, there is much less occlusion in human balancing tracking. This less constrained problem allows us to combine a 2D model of human body with image analysis techniques to develop an efficient motion tracking algorithm. First we define a hierarchical 2D model consisting of six components including head, body and four limbs. Each of the four limbs involves primary component (upper arms and legs) and secondary component (lower arms and legs) respectively. In this model, we assume each of the components can be represented by quadrangles and every component is connected to one of others by a joint. By making use of inherent correlation between different components, we design a top-down updating framework and an adaptive algorithm with constraints of foreground regions for robust and efficient tracking. The approach has been tested using the balancing movement in HumanEva-I/II dataset. The average tracking time is under one second, which is much shorter than most of current schemes.

Citation Download Citation

Lifang Wu and Chang Wen Chen "An adaptive approach to human motion tracking from video", Proc. SPIE 7744, Visual Communications and Image Processing 2010, 77441O (4 August 2010); https://doi.org/10.1117/12.863480

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KEYWORDS

Motion models

Detection and tracking algorithms

3D modeling

Head

Image analysis

Cameras

Video

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