An Energy - efficient and reactive remote surveillance framework using wireless multimedia sensor networks

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2011

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Öztarak, Hakan

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With the introduction of Wireless Multimedia Sensor Networks, large-scale remote outdoor surveillance applications where the majority of the cameras will be battery-operated are envisioned. These are the applications where the frequency of incidents is too low to employ permanent staffing such as monitoring of land and marine border, critical infrastructures, bridges, water supplies, etc. Given the inexpensive costs of wireless resource constrained camera sensors, the size of these networks will be significantly larger than the traditional multi-camera systems. While large number of cameras may increase the coverage of the network, such a large size along with resource constraints poses new challenges, e.g., localization, classification, tracking or reactive behavior. This dissertation proposes a framework that transforms current multi-camera networks into low-cost and reactive systems which can be used in large-scale remote surveillance applications. Specifically, a remote surveillance system framework with three components is proposed: 1) Localization and tracking of objects; 2) Classification and identification of objects; and 3) Reactive behavior at the base-station. For each component, novel lightweight, storage-efficient and real-time algorithms both at the computation and communication level are designed, implemented and tested under a variety of conditions. The results have indicated the feasibility of this framework working with limited energy but having high object localization/classification accuracies. The results of this research will facilitate the design and development of very large-scale remote border surveillance systems and improve the systems effectiveness in dealing with the intrusions with reduced human involvement and labor costs

Subject Keywords

Wireless communication systems., Wireless sensor networks, Object-oriented methods (Computer science)

URI

http://etd.lib.metu.edu.tr/upload/12614328/index.pdf
https://hdl.handle.net/11511/21525

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Graduate School of Natural and Applied Sciences, Thesis

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Citation Formats

H. Öztarak, “An Energy - efficient and reactive remote surveillance framework using wireless multimedia sensor networks,” Ph.D. - Doctoral Program, Middle East Technical University, 2011.