22 September 2003 Wide-area metal detection system for crowd screening
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Abstract
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.
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Carl Vern Nelson, 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); doi: 10.1117/12.484846; https://doi.org/10.1117/12.484846
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