Imaging Components, Systems, and Processing

Robust video object tracking via Bayesian model averaging-based feature fusion

[+] Author Affiliations
Yi Dai, Bin Liu

Nanjing University of Posts and Telecommunications, School of Computer Science and Technology, No. 9 Wenyuan Road, Qixia District, Nanjing 210023, China

Opt. Eng. 55(8), 083102 (Aug 05, 2016). doi:10.1117/1.OE.55.8.083102
History: Received April 4, 2016; Accepted July 19, 2016
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Abstract.  We are concerned with tracking an object of interest in a video stream. We propose an algorithm that is robust against occlusion, the presence of confusing colors, abrupt changes in the object features and changes in scale. We develop the algorithm within a Bayesian modeling framework. The state-space model is used for capturing the temporal correlation in the sequence of frame images by modeling the underlying dynamics of the tracking system. The Bayesian model averaging (BMA) strategy is proposed for fusing multiclue information in the observations. Any number of object features is allowed to be involved in the proposed framework. Every feature represents one source of information to be fused and is associated with an observation model. The state inference is performed by employing the particle filter methods. In comparison with the related approaches, the BMA-based tracker is shown to have robustness, expressivity, and comprehensibility.

© 2016 Society of Photo-Optical Instrumentation Engineers

Topics

Video

Citation

Yi Dai and Bin Liu
"Robust video object tracking via Bayesian model averaging-based feature fusion", Opt. Eng. 55(8), 083102 (Aug 05, 2016). ; http://dx.doi.org/10.1117/1.OE.55.8.083102


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