{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,28]],"date-time":"2026-02-28T04:28:16Z","timestamp":1772252896770,"version":"3.50.1"},"reference-count":22,"publisher":"MDPI AG","issue":"11","license":[{"start":{"date-parts":[[2018,10,28]],"date-time":"2018-10-28T00:00:00Z","timestamp":1540684800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>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 for finding unknown parameters of the model is carried out by the method of non-linear least squares (Levenberg-Marquardt algorithm) for an individual selected pixel of the image, taking into account the adjacency effects. Using the found parameters of the atmosphere and the average surface reflectance, and also assuming homogeneity of the atmosphere within a certain area of the hyperspectral image (or within the whole frame), the spectral reflectance at the Earth\u2019s surface is calculated for all other pixels. It is essential that the procedure of the numerical simulation using non-linear least squares is based on the analytical solution of the direct transfer problem. This enables fast solution of the inverse problem in a very short calculation time. Testing of the method has been performed using the synthetic outgoing radiation spectra at the top of atmosphere, obtained from the LibRadTran code. In addition, we have used the spectra measured by the Hyperion. A comparison with the results of atmospheric correction in module FLAASH of ENVI package has been performed. Finally, to validate data obtained by our method, a comparative analysis with ground-based measurements of the Radiometric Calibration Network (RadCalNet) was carried out.<\/jats:p>","DOI":"10.3390\/rs10111698","type":"journal-article","created":{"date-parts":[[2018,10,29]],"date-time":"2018-10-29T11:10:41Z","timestamp":1540811441000},"page":"1698","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":21,"title":["Fast Atmospheric Correction Method for Hyperspectral Data"],"prefix":"10.3390","volume":"10","author":[{"given":"Leonid V.","family":"Katkovsky","sequence":"first","affiliation":[{"name":"A. N. Sevchenko Research Institute of Applied Physical Problems, Belarus State University, BY-220045 Minsk, Belarus"}]},{"given":"Anton O.","family":"Martinov","sequence":"additional","affiliation":[{"name":"A. N. Sevchenko Research Institute of Applied Physical Problems, Belarus State University, BY-220045 Minsk, Belarus"}]},{"given":"Volha A.","family":"Siliuk","sequence":"additional","affiliation":[{"name":"A. N. Sevchenko Research Institute of Applied Physical Problems, Belarus State University, BY-220045 Minsk, Belarus"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9455-0577","authenticated-orcid":false,"given":"Dimitry A.","family":"Ivanov","sequence":"additional","affiliation":[{"name":"A. N. Sevchenko Research Institute of Applied Physical Problems, Belarus State University, BY-220045 Minsk, Belarus"}]},{"given":"Alexander A.","family":"Kokhanovsky","sequence":"additional","affiliation":[{"name":"VITROCISET, Bratustrasse 7, D-64293 Darmstadt, Germany"}]}],"member":"1968","published-online":{"date-parts":[[2018,10,28]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Eismann, M. (2012). Hyperspectral Remote Sensing, SPIE. 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