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Automatic detection of hidden threats in the TeraSCREEN passive millimeter-wave imaging subsystem

: Madhogaria, S.; Schikora, M.


Wikner, D.A. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Passive and active millimeter-wave imaging XVIII : 23 April 2015, Baltimore, Maryland, United States
Bellingham, WA: SPIE, 2015 (Proceedings of SPIE 9462)
ISBN: 978-1-62841-578-0
Paper 94620J, 7 pp.
Conference "Passive and Active Millimeter-Wave Imaging" <18, 2015, Baltimore/Md.>
Conference Paper
Fraunhofer FKIE ()

Passive millimeter-wave imaging systems can play a significant role in security applications. Especially, the detection of hidden threats for border security is a growing field. In this paper we propose a novel approach for automatic threat detection using multiple 94 GHz passive millimeter-wave images. Herein, we discuss four steps essential to solving the task: pre-processing, region-of-interest extraction, threat extraction in each frame and, finally, intelligent fusion of the results from all frames. Besides, showing that the proposed method works reliably for the data-set at hand, we also discuss the advantages of using this method in contrast to state-of-the-art methods.