Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2018, Vol. 15, No. 6, pp. 223-234
Atmospheric correction of data registered on board the ISS. Part II. Methodology for images and application results
M.Yu. Belyaev
1 , B.I. Belyaev
2 , D.A. Ivanov
2 , L.V. Katkovsky
2 , A.O. Martinov
2 , V.V. Riazantsev
1 , E.E. Sarmin
1 , O.O. Siliuk
2 , V.G. Shukajlo
2 1 S. P. Korolev Rocket and Space Public Сorporation “Energia”, Korolev, Russia
2 A. N. Sevchenko Institute of Applied Physical Problems of Belorussian State University, Minsk, Republic of Belarus
Accepted: 06.10.2018
DOI: 10.21046/2070-7401-2018-15-6-223-234
Part I describes a method of atmospheric correction of spectra in the visible and near infrared spectral range registered by the photospectral (PhSS) and videospectral (VSS) systems on board the International Space Station (ISS) during the Uragan space experiment. Part II shows the results of testing this atmospheric correction method using the calculated spectra of the outgoing radiation at the top of atmosphere based on the LibRadtran code. Atmospheric correction of PhSS spectra is performed. Atmospheric correction of images (finding the average albedo of the surface in each band) is presented. To do this radiometric correction of images using measured PhSS spectra is carried out first. Fields of view of PhSS spectral module and PhSS image shooting module are co-registered by correlation method. Next, atmospheric correction proceeds by analytical calculations of various radiation components in the equation for radiance using the parameters received by solving the inverse problem of atmospheric optics for PhSS (VSS) spectra.
Keywords: remote sensing, spectra, spectral images, atmospheric correction, surface albedo
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