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Proceedings Paper

Comparison of infrared imaging hyperspectral sensors for military target detection applications
Author(s): Michael T. Eismann; Craig R. Schwartz; Jack N. Cederquist; John A. Hackwell; Ronald J. Huppi
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Paper Abstract

Recent studies have demonstrated the potential for exploring spectral discriminates in the thermal infrared for day/night surveillance and targeting of military targets in situations where the thermal contrast is low. Although the spectral discriminates have been found to be very subtle in most cases, good detection performance is achievable due to the generally high band-to-band spectral correlation of the background. This, however, presents a challenging set of requirements for infrared multispectral and hyperspectral sensors designed for this application. In this paper, we examine the merits and limitations of various design approaches, including imaging Michelson interferometers, dispersive spectrometers, and spatial Fourier transform spectrometers. The comparison is based on detailed sensor modeling as well as laboratory and field measurements of state-of-the-art instruments: a dispersive spectrometers and a n imaging Fourier transform spectrometer. The primary emphasis of this paper is the design of a hyperspectral sensor for tower-based and subsequent airborne data collection. Implications for operational multispectral sensor designs are also given.

Paper Details

Date Published: 13 November 1996
PDF: 11 pages
Proc. SPIE 2819, Imaging Spectrometry II, (13 November 1996); doi: 10.1117/12.258056
Show Author Affiliations
Michael T. Eismann, Air Force Wright Lab. (United States)
Craig R. Schwartz, Environmental Research Institute of Michigan (United States)
Jack N. Cederquist, Environmental Research Institute of Michigan (United States)
John A. Hackwell, The Aerospace Corp. (United States)
Ronald J. Huppi, Utah State Univ. (United States)


Published in SPIE Proceedings Vol. 2819:
Imaging Spectrometry II
Michael R. Descour; Jonathan Martin Mooney, Editor(s)

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