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Proceedings Article

Hyperspectral imaging for astronomy and space surviellance

[+] Author Affiliations
E. Keith Hege

Steward Observatory/Univ. of Arizona (USA) and MKS Imaging Technology, LLC (USA)

Dan O'Connell

Oceanit Labs., Inc. (USA)

William Johnson, Eustace L. Dereniak

Optical Sciences Ctr./Univ. of Arizona (USA)

Shridhar Basty

Univ. of Arizona (USA)

Proc. SPIE 5159, Imaging Spectrometry IX, 380 (January 7, 2004); doi:10.1117/12.506426
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From Conference Volume 5159

  • Imaging Spectrometry IX
  • Sylvia S. Shen; Paul E. Lewis
  • San Diego, California, USA | August 03, 2003

abstract

We present results of field evaluations of computed tomography imaging spectrometer (CTIS) systems, using an adaptive optics (AO) compensated telescope, for applications in astronomical multispectral imaging and imaging spectroscopy in both visible (0.4 - 0.7 μm) and near infrared (1.2 - 2.1 μm) bands. We develop and analyze a convolution model for this hyperspectral imaging method which includes a convolution representation of the effects of the AO system. We use expectation maximization, with additional prior constraints derived from the physics of the instrumental, statistical and atmospheric effects inherent in such observations, to extract details of features in the hyperspectral images. Data for this study were obtained using the Advanced Electro-Optics System (AEOS) -- a facility of the Air Force Maui Space Surviellance System.

© (2004) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

E. Keith Hege ; Dan O'Connell ; William Johnson ; Shridhar Basty and Eustace L. Dereniak
"Hyperspectral imaging for astronomy and space surviellance", Proc. SPIE 5159, Imaging Spectrometry IX, 380 (January 7, 2004); doi:10.1117/12.506426; http://dx.doi.org/10.1117/12.506426


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