21 October 2016 Walk through screening with multistatic mmW technology
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Abstract
Active imaging systems for security screening at the airport or other checkpoints have proven to offer good results. Present systems require a specific position and posture,13 or a specific movement2 of the passenger in front of the imaging system. Walk Through Systems (WTS) which screen the passenger while passing the imaging system or a screening hallway would be more pleasant for the passenger and would result in a great improvement in the throughput. Furthermore the detection performance could be enhanced since possible threats are visible from different perspectives and could be tracked within different frames. The combination of all frames is equivalent to a full illumination of the passenger. This paper presents the concept of a WTS basing on a multistatic imaging system in the mmW range. The benefit is that the technology of existing portals can we reused and updated to a WTS. First results are demonstrated with an experimental system.
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Frank Gumbmann, Frank Gumbmann, Sherif Sayed Ahmed, Sherif Sayed Ahmed, } "Walk through screening with multistatic mmW technology", Proc. SPIE 9993, Millimetre Wave and Terahertz Sensors and Technology IX, 999306 (21 October 2016); doi: 10.1117/12.2247183; https://doi.org/10.1117/12.2247183
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