2018
DOI: 10.3390/rs10111698
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Fast Atmospheric Correction Method for Hyperspectral Data

Abstract: Atmospheric correction is a necessary step in processing data recorded by spaceborne sensors for cloudless atmosphere, primarily in the visible and near-IR spectral range. In this paper we present a fast and sufficiently accurate method of atmospheric correction based on the analytical solutions of radiative transfer equation (RTE). The proposed analytical equations can be used to calculate the spectrum of outgoing radiation at the top boundary of the cloudless atmosphere. The solution of the inverse problem f… Show more

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Cited by 31 publications
(15 citation statements)
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“…Traditionally surface radiation estimates are generated using physical-based, radiative transfer models [17,18]. These models typically require information about the top-of-atmosphere, the atmosphere, and the surface, or they can be parameterized to reduce the ancillary data requirements [19]. Acquiring this ancillary data introduces sources of potential error, requires heavy-duty computing resources, and is still time intensive [15].…”
Section: Introductionmentioning
confidence: 99%
“…Traditionally surface radiation estimates are generated using physical-based, radiative transfer models [17,18]. These models typically require information about the top-of-atmosphere, the atmosphere, and the surface, or they can be parameterized to reduce the ancillary data requirements [19]. Acquiring this ancillary data introduces sources of potential error, requires heavy-duty computing resources, and is still time intensive [15].…”
Section: Introductionmentioning
confidence: 99%
“…Eq. ( 8) can be substituted by other approximations or parameterizations (Katkovsky et al, 2018; Eqs. ( 3), ( 4), (8) make it possible to calculate the path reflectance analytically for a given phase function 𝑝(𝜃) and atmospheric optical thickness 𝜏.…”
Section: 2the Atmospheric Path Reflectancementioning
confidence: 99%
“…For validation, we selected a number of sand radiance spectra, acquired by the PhSS on June 21, 2011, August 30, 2011, and March 30, 2012. From these radiance spectra, the reflectances were calculated using the developed method of atmospheric correction [4]. To validate the PhSS data on RadCalNet, several measurements were taken from the GONA site at different years.…”
Section: Iss Onboard Measurementsmentioning
confidence: 99%
“…Moreover, the validation using the surface albedo values was performed. Since Landsat-8 reflectance data (processed with Landsat Surface Reflectance Code) are available, we obtained the underlying surface albedo spectra by performing atmospheric correction of the measured spectra using a developed technique [4]. This atmospheric correction method includes an optical-physical model of the atmosphere and is based on the use of analytical equations for the spectral radiance of outgoing radiation at the TOA (conventionally 100 km) or at any other altitude in the range of 0-100 km [5].…”
Section: Multilevel Spectral Measurementsmentioning
confidence: 99%