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Proceedings Paper

Laboratory characterization and field testing of the tunable filter multispectral camera
Author(s): James Samuel Taylor; Danny A. Petee; Ken R. Tinsley; Chuong N. Pham; John H. Holloway; Harold R. Suiter; Karen A. McCarley; T. Seales; Arthur C. Kenton; Russell J. Hilton
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Paper Abstract

The Coastal Systems Station, in concert with Xybion Corp. has developed a tunable-filter multispectral imaging sensor for use in airborne reconnaissance. The sensor was completed in late 1999, and laboratory characterization and field- testing has been conducted since. The Tunable Filter Multispectral Camera (TFMC) is an intensified, gated, and tunable multispectral imaging camera that provides three simultaneous channels of 10-bit digital and 8-bit analog video from the near-UV to the near-IR. Exposure and gain can be automatically or manually controlled for each channel, and response has been linearized for approximate radiometric use. Additionally, each of the three channels as a separate programmable liquid-crystal tunable filter with a selectable center wavelength settings to which can be applied 100 different retardances for each of three channels. This paper will present setups, analysis methods, and preliminary results for both the laboratory characterization and field- testing of the TFMC. Laboratory objectives include measures of sensitivity, noise, and linearity. Field testing objectives include obtaining the camera response as the lighting conditions approached sunset of a clear day, signal-to-clutter ratios for a multiplicity of channel wavelength combinations and polarizations against several backgrounds, and resolution performance in field-conditions.

Paper Details

Date Published: 18 October 2001
PDF: 12 pages
Proc. SPIE 4394, Detection and Remediation Technologies for Mines and Minelike Targets VI, (18 October 2001); doi: 10.1117/12.445453
Show Author Affiliations
James Samuel Taylor, Naval Surface Warfare Ctr. (United States)
Danny A. Petee, Naval Surface Warfare Ctr. (United States)
Ken R. Tinsley, Naval Surface Warfare Ctr. (United States)
Chuong N. Pham, Naval Surface Warfare Ctr. (United States)
John H. Holloway, Naval Surface Warfare Ctr. (United States)
Harold R. Suiter, Naval Surface Warfare Ctr. (United States)
Karen A. McCarley, Veridian Systems, Inc. (United States)
T. Seales, Veridian Systems, Inc. (United States)
Arthur C. Kenton, Veridian Systems, Inc. (United States)
Russell J. Hilton, Veridian Systems, Inc. (United States)


Published in SPIE Proceedings Vol. 4394:
Detection and Remediation Technologies for Mines and Minelike Targets VI
Abinash C. Dubey; James F. Harvey; J. Thomas Broach; Vivian George, Editor(s)

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