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Proceedings Paper

Millimeter-wave imaging for concealed weapon detection
Author(s): Douglas L. McMakin; David M. Sheen; Thomas E. Hall
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Paper Abstract

Full body, real-time, millimeter-wave imaging systems have been developed at the Pacific Northwest National Laboratory for the detection of body-worn, concealed weapons and contraband at security checkpoints. These security systems employ methods derived from microwave holography techniques that utilize phase and amplitude information recorded over a two-dimensional aperture to reconstruct a focused image of the target. Millimeter-wave imaging is well suited for the detection of concealed weapons or other contraband carried on personnel, since millimeter waves are non-ionizing, readily penetrate common clothing material, and are reflected from the human body and any concealed items. In this paper, wide-bandwidth, three-dimensional, holographic microwave imaging techniques and a full-body, planar, millimeter-wave imaging system are described.

Paper Details

Date Published: 16 July 2003
PDF: 11 pages
Proc. SPIE 5048, Nondestructive Detection and Measurement for Homeland Security, (16 July 2003); doi: 10.1117/12.484704
Show Author Affiliations
Douglas L. McMakin, Pacific Northwest National Lab. (United States)
David M. Sheen, Pacific Northwest National Lab. (United States)
Thomas E. Hall, Pacific Northwest National Lab. (United States)

Published in SPIE Proceedings Vol. 5048:
Nondestructive Detection and Measurement for Homeland Security
Steven R. Doctor; Yoseph Bar-Cohen; A. Emin Aktan, Editor(s)

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