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Proceedings Paper

Correcting radiance data for randomly occurring nonuniform illumination of the IFOV of individual detectors in arrays
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Paper Abstract

This paper discusses the nonuniform illumination of individual pixels in an array that is intrinsic to the scene viewed, as opposed to turbulence or platform motion as an error source in quantitative imagery. It describes two classes of algorithms to treat this type of problem. It points out that this problem can be viewed as a type of inverse problem with a corresponding integral equation unlike those commonly treated in the literature. One class allows estimation of the spatial variation of radiance within pixels using the single digital number irradiances produced by the measurements of the detectors within their instantaneous-fields-of-view (IFOVs). Usually it is assumed without discussion that the intrapixel radiance distribution is constant. Results are presented showing the improvements obtained by the methods discussed.

Paper Details

Date Published: 2 July 1998
PDF: 8 pages
Proc. SPIE 3372, Algorithms for Multispectral and Hyperspectral Imagery IV, (2 July 1998); doi: 10.1117/12.312596
Show Author Affiliations
Henry Berger, U.S. Army Topographic Engineering Ctr. (United States)
Edward Howard Bosch, U.S. Army Topographic Engineering Ctr. (United States)
Edmundo Simental, U.S. Army Topographic Engineering Ctr. (United States)


Published in SPIE Proceedings Vol. 3372:
Algorithms for Multispectral and Hyperspectral Imagery IV
Sylvia S. Shen; Michael R. Descour, Editor(s)

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