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http://dx.doi.org/10.5762/KAIS.2010.11.4.1342

Feature Extraction using Discrete Wavelet Transform and Dynamic Time-Warped Algorithms in Wireless Sensor Networks for Barbed Wire Entanglements Surveillance  

Lee, Tae-Young (Dept of Electric Electronic Computer, Kyungpook National University)
Cha, Dae-Hyun (Dept of Electric Electronic Computer, Kyungpook National University)
Hong, Jin-Keun (Dept of Information Communication, Baekseok University)
Han, Kun-Hui (Dept of Information Communication, Baekseok University)
Hwang, Chan-Sik (Dept of Electric Electronic Computer, Kyungpook National University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.11, no.4, 2010 , pp. 1342-1347 More about this Journal
Abstract
Various researches have been studied on WSN(wireless sensor network) for barbed wire entanglements surveillance applications such as industry facilities, security area, prison, military area, airport, etc. Currently, barbed wire entanglements surveillance is formed wire sensor network environment. Traditional wire sensor network guarantee high data transmission rate. Therefore, wire sensor network use fast fourier transform of data of high transmission rate for extraction of feature parameter. However, wireless sensor network in comparison with wire sensor network has very low data transmission rate. Therefore, wireless sensor network doesn't use fast fourier transform of wire sensor network for extraction of feature parameter. In this paper, proposed method use 1 level approximation coefficient of DTW(dynamic time-warped) algorithms based on DWT(discrete wavelet transform) for extraction of detection feature parameter and classification feature parameter for barbed wire entanglements surveillance. l level approximation coefficient have time information and frequency information of signal. Therefore, Dynamic time-warped algorithms based on discrete wavelet transform improve detection and classification of target rather than using energy of signal.
Keywords
Discrete Wavelet Transform; Dynamic Time-Warped Algorithms; Wireless Sensor Networks;
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