4 August 2010 A framework for multi-object tracking over distributed wireless camera networks
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Proceedings Volume 7744, Visual Communications and Image Processing 2010; 77441L (2010) https://doi.org/10.1117/12.863284
Event: Visual Communications and Image Processing 2010, 2010, Huangshan, China
Abstract
In this paper, we propose a unified framework targeting at two important issues in a distributed wireless camera network, i.e., object tracking and network communication, to achieve reliable multi-object tracking over distributed wireless camera networks. In the object tracking part, we propose a fully automated approach for tracking of multiple objects across multiple cameras with overlapping and non-overlapping field of views without initial training. To effectively exchange the tracking information among the distributed cameras, we proposed an idle probability based broadcasting method, iPro, which adaptively adjusts the broadcast probability to improve the broadcast effectiveness in a dense saturated camera network. Experimental results for the multi-object tracking demonstrate the promising performance of our approach on real video sequences for cameras with overlapping and non-overlapping views. The modeling and ns-2 simulation results show that iPro almost approaches the theoretical performance upper bound if cameras are within each other's transmission range. In more general scenarios, e.g., in case of hidden node problems, the simulation results show that iPro significantly outperforms standard IEEE 802.11, especially when the number of competing nodes increases.
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Victor Gau, Victor Gau, Jenq-Neng Hwang, Jenq-Neng Hwang, } "A framework for multi-object tracking over distributed wireless camera networks", Proc. SPIE 7744, Visual Communications and Image Processing 2010, 77441L (4 August 2010); doi: 10.1117/12.863284; https://doi.org/10.1117/12.863284
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