Evaluation of a passive millimeter-wave (PMMW) imager for wire detection in degraded visual conditions

Roger Appleby; Peter Coward; Jack N. Sanders-Reed

doi:10.1117/12.820827

29 April 2009 Evaluation of a passive millimeter-wave (PMMW) imager for wire detection in degraded visual conditions

Roger Appleby, Peter Coward, Jack N. Sanders-Reed

Author Affiliations +

Proceedings Volume 7309, Passive Millimeter-Wave Imaging Technology XII; 73090A (2009) https://doi.org/10.1117/12.820827
Event: SPIE Defense, Security, and Sensing, 2009, Orlando, Florida, United States

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.

Citation Download Citation

Roger Appleby, Peter Coward, and Jack N. Sanders-Reed "Evaluation of a passive millimeter-wave (PMMW) imager for wire detection in degraded visual conditions", Proc. SPIE 7309, Passive Millimeter-Wave Imaging Technology XII, 73090A (29 April 2009); https://doi.org/10.1117/12.820827

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