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An exact algorithm for providing multi-perspective event coverage in Wireless Multimedia Sensor Networks

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4 Author(s)
Enes Yildiz ; Department of Computer Science, Southern Illinois University Carbondale, 62901 USA ; Kemal Akkaya ; Esra Sisikoglu ; Mustafa Sir

Deployment of cameras in Wireless Multimedia Sensor Networks (WMSNs) is crucial in achieving good coverage, accuracy and fault tolerance. With the decreased costs of wireless cameras, WMSNs provide opportunities for redundant camera deployment in order to get multiple disparate views of events. Referred to as multi-perspective coverage (MPC), this paper proposes an optimal solution for camera deployment that can achieve full MPC for a given region. The solution is based on a Bi-Level mixed integer program (MIP) which works by solving two sub-problems named master and sub-problems. The master problem identifies a solution based on an initial set of points and then calls the sub-problem to cover the uncovered points iteratively. Experiments show that our solution can provide full MPC with less number of cameras compared to traditional solutions.

Published in:

2011 7th International Wireless Communications and Mobile Computing Conference

Date of Conference:

4-8 July 2011