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Geometric processing of hyperspectral image data acquired by VIFIS on board light aircraft / Y. Gu in International Journal of Remote Sensing IJRS, vol 24 n° 23 (December 2003)  

Public [article]  inInternational Journal of Remote Sensing IJRS > vol 24 n° 23 (December 2003) . - pp 4681 - 4698 Titre : Geometric processing of hyperspectral image data acquired by VIFIS on board light aircraft Type de document : Article/Communication Auteurs : Y. Gu, Auteur ; J.M. Anderson, Auteur Année de publication : 2003 Article en page(s) : pp 4681 - 4698 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Acquisition d'image(s) et de donnée(s) [Termes IGN] capteur en peigne [Termes IGN] correction géométrique [Termes IGN] image aérienne [Termes IGN] image hyperspectrale [Termes IGN] longueur d'onde [Termes IGN] spectromètre imageur [Termes IGN] Variable-Interference-Filter Imaging Spectrometer Résumé : (Auteur) The Variable-Interference-Filter Imaging Spectrometer (VIFIS) is an airborne imaging system. Unlike usual airborne spectrometers, the image acquisition of VIFIS is based on 2D sensors with its pixel spatially registered to different passing wavelengths. The correction of perturbations upon the VIFIS platform, required by the hyperspectral image generation, relies solely on the information extracted from the 2D pushbroom image flow. In this paper, we present an analysis of the distortions of the pushbroom scan caused by perturbations upon the platform. Hyperspectral image generation algorithms and band registration methods are also discussed. A practical pre-processing approach is developed to automatically track the displacements and generate up to 64 hyperspectral bands. Finally, a preprocessing example is presented as a demonstration of the overall methodology. Numéro de notice : A2003-312 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/0143116031000084305 En ligne : https://doi.org/10.1080/0143116031000084305 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=22608 [article]

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