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Radiative transfer codes applied to hyperspectral data for the retrieval of surface reflectance / K. Staenz in ISPRS Journal of photogrammetry and remote sensing, vol 57 n° 3 (December 2002 - January 2003)  

Public [article]  inISPRS Journal of photogrammetry and remote sensing > vol 57 n° 3 (December 2002 - January 2003) . - pp 194 - 203 Titre : Radiative transfer codes applied to hyperspectral data for the retrieval of surface reflectance Type de document : Article/Communication Auteurs : K. Staenz, Auteur ; J. Secker, Auteur ; B.C. Gao, Auteur ; C. Davis, Auteur ; C. Nadeau, Auteur Année de publication : 2002 Article en page(s) : pp 194 - 203 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique [Termes IGN] Airborne Visible/InfraRed Imaging Spectrometer [Termes IGN] extraction [Termes IGN] image AVIRIS [Termes IGN] image hyperspectrale [Termes IGN] réflectance de surface [Termes IGN] transfert radiatif Résumé : (Auteur) The present investigation evaluates surface reflectance retrieved from Airborne Visible/Infrared Imaging Spectrometer (AVIRIS) and Compact Airborne Spectrographic Imager (casi) data using the atmospheric radiative transfer (RT) codes: atmospheric removal program (ATREM), Canadian advanced modified 5S (CAM5S) and moderate atmospheric radiance and transmittance model (MODTRAN4). The retrieved surface reflectances were compared with groundbased reflectances acquired with a GER3700-spectroradiometer for a playa and canola target. The results showed that the best overall performance was achieved with MODTRAN4 (average relative error of 2.3%), followed by ATREM (3.6%) and CAM5S (4.2%). Major differences occur in the stronger gas absorption regions. At wavelengths unaffected by strong gaseous absorption, the performance was similar for the three RT codes even though ATREM and CAM5S make extensive use of analytical expressions and, therefore, have faster execution times. Copyright ISPRS Numéro de notice : A2002-295 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/S0924-2716(02)00121-1 En ligne : https://doi.org/10.1016/S0924-2716(02)00121-1 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=22206 [article]

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