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Proceedings Paper

Evaluation of a passive millimeter-wave (PMMW) imager for wire detection in degraded visual conditions
Author(s): Roger Appleby; Peter Coward; Jack N. Sanders-Reed
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Paper Abstract

Ground vehicle tests have been performed to evaluate the performance of a Passive Millimeter Wave (PMMW) imager in reduced visibility conditions and in particular, the ability to detect power lines and cables. A PMMW imager was compared with Long Wave Infrared (LWIR) and visible imaging cameras. The three sensors were mounted on a Land Rover, together with GPS and digital recording system. All three sensors plus the GPS data were recorded simultaneously in order to provide direct comparisons. The vehicle collected imagery from a number of sites in the vicinity of Malvern, UK, in January, 2008. Imagery was collected both while the vehicle was stationary at specific sites and while it was moving. Weather conditions during the data collection included clear, drizzle, rain and fog. Imagery was collected during the day, at night, and during dusk/dawn transition periods. The PMMW imager was a prototype which operated at 94 GHz and was based on a conically scanned folded Schmidt camera and the LWIR and visible sensors were commercial off the shelf items.

Paper Details

Date Published: 30 April 2009
PDF: 8 pages
Proc. SPIE 7309, Passive Millimeter-Wave Imaging Technology XII, 73090A (30 April 2009); doi: 10.1117/12.820827
Show Author Affiliations
Roger Appleby, QinetiQ Ltd. (United Kingdom)
Peter Coward, QinetiQ Ltd. (United Kingdom)
Jack N. Sanders-Reed, Boeing-SVS, Inc. (United States)


Published in SPIE Proceedings Vol. 7309:
Passive Millimeter-Wave Imaging Technology XII
Roger Appleby; David A. Wikner, Editor(s)

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