Atmospheric correction of APEX hyperspectral data

Sterckx Sindy (), Vreys Kristin (), Biesemans Jan (), Iordache Marian-Daniel (), Bertels Luc () and Meuleman Koen ()
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Sterckx Sindy: Flemish Institute for Technological Research (VITO NV), Belgium
Vreys Kristin: Flemish Institute for Technological Research (VITO NV), Belgium
Biesemans Jan: Flemish Institute for Technological Research (VITO NV), Belgium
Iordache Marian-Daniel: Flemish Institute for Technological Research (VITO NV), Belgium
Bertels Luc: Flemish Institute for Technological Research (VITO NV), Belgium
Meuleman Koen: Flemish Institute for Technological Research (VITO NV), Belgium

Miscellanea Geographica. Regional Studies on Development, 2016, vol. 20, issue 1, 16-20

Abstract: Atmospheric correction plays a crucial role among the processing steps applied to remotely sensed hyperspectral data. Atmospheric correction comprises a group of procedures needed to remove atmospheric effects from observed spectra, i.e. the transformation from at-sensor radiances to at-surface radiances or reflectances. In this paper we present the different steps in the atmospheric correction process for APEX hyperspectral data as applied by the Central Data Processing Center (CDPC) at the Flemish Institute for Technological Research (VITO, Mol, Belgium). The MODerate resolution atmospheric TRANsmission program (MODTRAN) is used to determine the source of radiation and for applying the actual atmospheric correction. As part of the overall correction process, supporting algorithms are provided in order to derive MODTRAN configuration parameters and to account for specific effects, e.g. correction for adjacency effects, haze and shadow correction, and topographic BRDF correction. The methods and theory underlying these corrections and an example of an application are presented.

Keywords: Hyperspectral; atmospheric correction; automatic workflow; reflectance; APEX; MODTRAN (search for similar items in EconPapers)
Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:vrs:mgrsod:v:20:y:2016:i:1:p:16-20:n:2

DOI: 10.1515/mgrsd-2015-0022

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