12 May 2016 Phenomenology of passive multi-band submillimeter-wave imagery
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Abstract
In 2015, Asqella Oy commercialized a passive multi-band submillimeter-wave camera system intended for use in walk-by personnel security screening applications. In this paper we study the imagery acquired with the prototype of the ARGON passive multi-band submm-wave video camera. To challenge the system and test its limits, imagery has been obtained in various environments with varying background surface temperatures, with people of different body types, with different clothing materials and numbers of layers of clothing and with objects of different materials. In addition to the phenomenological study, we discuss the detection statistics of the system, evaluated by running blind trials with human operators. While significant improvements have been made particularly in the software side since the beginning of the testing, the obtained imagery enables a comprehensive evaluation of the capabilities and challenges of the multiband submillimeter-wave imaging system.
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Sissi Enestam, Sissi Enestam, Perttu Kajatkari, Perttu Kajatkari, Olli Kivimäki, Olli Kivimäki, Mikko M. Leivo, Mikko M. Leivo, Anssi Rautiainen, Anssi Rautiainen, Aleksi A. Tamminen, Aleksi A. Tamminen, Arttu R. Luukanen, Arttu R. Luukanen, } "Phenomenology of passive multi-band submillimeter-wave imagery", Proc. SPIE 9830, Passive and Active Millimeter-Wave Imaging XIX, 98300B (12 May 2016); doi: 10.1117/12.2229029; https://doi.org/10.1117/12.2229029
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