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A Low-Complexity Algorithm for Intrusion Detection in a PIR-Based Wireless Sensor Network

Sajana, Abu R and Subramanian, Ramanathan and Kumar, Vijay P and Krishnan, Syam and Amrutur, Bharadwaj and Sebastian, Jeena and Hegde, Malati and Anand, SVR (2009) A Low-Complexity Algorithm for Intrusion Detection in a PIR-Based Wireless Sensor Network. In: 2009 International Conference on Intelligent Sensors, Sensor Networks and Information Processing (ISSNIP 2009), DEC 07-10, 2009, Melbourne, pp. 325-330.

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We present a low-complexity algorithm for intrusion detection in the presence of clutter arising from wind-blown vegetation, using Passive Infra-Red (PIR) sensors in a Wireless Sensor Network (WSN). The algorithm is based on a combination of Haar Transform (HT) and Support-Vector-Machine (SVM) based training and was field tested in a network setting comprising of 15-20 sensing nodes. Also contained in this paper is a closed-form expression for the signal generated by an intruder moving at a constant velocity. It is shown how this expression can be exploited to determine the direction of motion information and the velocity of the intruder from the signals of three well-positioned sensors.

Item Type: Conference Paper
Publisher: IEEE
Additional Information: Copyright 2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Department/Centre: Division of Electrical Sciences > Computer Science & Automation
Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 19 Nov 2010 11:09
Last Modified: 09 Mar 2012 10:15
URI: http://eprints.iisc.ac.in/id/eprint/33851

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