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Energy efficient multi-resolution visual surveillance on wireless sensor networks

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3 Author(s)
Veeraraghavan, K. ; Dept. of Comput. & Electron. Eng., Nebraska-Lincoln Univ. ; Dongming Peng ; Sharif, H.

Visual surveillance with a distributed ad hoc sensor network enable reliable monitoring and control of a variety of applications that range from civil to military. However, due to the large volume of multimedia data associated with visual sensors, the surveillance scheme has to be architected with a goal of energy conservation and extending life expectancy. In this paper, we briefly discuss the computation and communication energy costs associated with a sensor node and explore the possibilities of extending battery life by choosing to perform local processing. We propose a discrete wavelet transform (DWT) based multi-resolution surveillance schema designed to reduce power requirement. We then compare and contrast the computational and communication power expended by a traditionally used JPEG-based scheme and illustrate the significant power savings achieved by the proposed surveillance system

Published in:

Electro Information Technology, 2005 IEEE International Conference on

Date of Conference:

22-25 May 2005

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