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14 August 2002 Passive millimeter-wave imaging for concealed object detection
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As a result of its relatively short wavelength coupled with relatively high penetration of many materials, millimeter- wave imaging provides a powerful tool for the detection of concealed articles. By using a passive approach such as that implemented here, it is possible to image (detect) concealed weapons and articles or look through certain types of walls, all without generating any form of radiation that might raise health concerns. In this paper we will show images from our current first generation unit and discuss the technology and performance of the second generation state- of-the-art unit currently being built.
© (2002) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Stuart Enz Clark, John A. Lovberg, Christopher A. Martin, and Joseph A. Galliano Jr. "Passive millimeter-wave imaging for concealed object detection", Proc. SPIE 4708, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Defense and Law Enforcement, (14 August 2002);

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