Quick atmospheric correction code: algorithm description and recent upgrades

Lawrence S. Bernstein; Xuemin Jin; Brian Gregor; Steven M. Adler-Golden

doi:10.1117/1.OE.51.11.111719

31 July 2012 Quick atmospheric correction code: algorithm description and recent upgrades

Lawrence S. Bernstein, Xuemin Jin, Brian Gregor, Steven M. Adler-Golden

Author Affiliations +

Optical Engineering, Vol. 51, Issue 11, 111719 (July 2012). https://doi.org/10.1117/1.OE.51.11.111719

Abstract

The quick atmospheric correction (QUAC) code performs atmospheric correction on multi- and hyperspectral imagery spanning all or part of the visible and near infrared-short wave infrared spectral range, ∼ 400−2500 nm. It utilizes an in-scene approach, requiring only approximate specification of sensor band locations (i.e., central wavelengths) and their radiometric calibration; no additional metadata is required. Because QUAC does not involve first principles radiative-transfer calculations, it is significantly faster than physics-based methods; however, it is also more approximate. We present a detailed description of the QUAC algorithm, highlighting recent accuracy improvements. Example results for several multi-and hyperspectral data sets are presented, and comparisons are made to more rigorous correction approaches.

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Lawrence S. Bernstein, Xuemin Jin, Brian Gregor, and Steven M. Adler-Golden "Quick atmospheric correction code: algorithm description and recent upgrades," Optical Engineering 51(11), 111719 (31 July 2012). https://doi.org/10.1117/1.OE.51.11.111719

Published: 31 July 2012

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