Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/7094
Title: Multi-Aspect Angle Classification of Human Radar Signatures
Authors: Karabacak, C.
Gürbüz, S. Z.
Güldoğan, M. B.
Gürbüz, A. C.
Keywords: human micro-Doppler
human classification
data fusion
radar networks
Issue Date: 2013
Publisher: Spie-Int Soc Optical Engineering
Source: Conference on Active and Passive Signatures IV -- MAY 01-02, 2013 -- Baltimore, MD
Series/Report no.: Proceedings of SPIE
Abstract: The human micro-Doppler signature is a unique signature caused by the time-varying motion of each point on the human body, which can be used to discriminate humans from other targets exhibiting micro-Doppler, such as vehicles, tanks, helicopters, and even other animals. Classification of targets based on micro-Doppler generally involves joint time-frequency analysis of the radar return coupled with extraction of features that may be used to identify the target. Although many techniques have been investigated, including artificial neural networks and support vector machines, almost all suffer a drastic drop in classification performance as the aspect angle of human motion relative to the radar increases. This paper focuses on the use of radar networks to obtain multi-aspect angle data and thereby ameliorate the dependence of classification performance on aspect angle. Knowledge of human walking kinematics is exploited to generate a fuse spectrogram that incorporates estimates of model parameters obtained from each radar in the network. It is shown that the fused spectrogram better approximates the truly underlying motion of the target observed as compared with spectrograms generated from individual nodes.
URI: https://doi.org/10.1117/12.2017709
https://hdl.handle.net/20.500.11851/7094
ISBN: 978-0-8194-9525-9
ISSN: 0277-786X
1996-756X
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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