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22 September 2003 Wide-area metal detection system for crowd screening
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Conventional metal detectors require people to walk through a door-like opening that houses the detection system. Typically, each person must be scanned individually. This creates a “choke point,” and long lines form at the screening point. This paper describes a metal detection sensor system that could screen large crowds of people more efficiently. The new system is called the Wide-Area Metal Detection (WAMD) sensor system. This sensor system is composed of a spatially distributed metal detector and a video surveillance system. The sensor system is designed to continually screen an area and reduce the need for each person to be examined separately.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Carl Vern Nelson "Wide-area metal detection system for crowd screening", Proc. SPIE 5071, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Defense and Law Enforcement II, (22 September 2003);

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