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Support pédagogique : initiation à la télédétection spatiale sur logiciel libre

Authors: Taconet, Paul;

Support pédagogique : initiation à la télédétection spatiale sur logiciel libre

Abstract

Ce document est un support pédagogique d’initiation à la manipulation d’images satellites d’observation de la Terre. L’objectif est de fournir quelques clés pour appréhender ce type de données sur des logiciels informatiquesdédiés libres et à code source ouverts (free and open source software), via un cas d’utilisation classique entélédétéction spatiale : la cartographie de l’occupation/utilisation du sol. Nous proposons d’utiliser le logiciel QGIS comme interface principale de visualisation des données et deparamétrisation des algorithmes, tout en “augmentant” ses fonctionnalités de base grâce à sa capacité àintégrer de nombreuses librairies spatiales externes. Plus spécifiquement, nous utilisons les logiciels et librairies suivantes :• QGIS v3.10• SAGA v7.4.0• La chaine de traitements Sen2cor v2.5.5 et l’extension QGIS Sen2Cor Adapter Ce support pédagogique a été rédigé en octobre 2019.

Ce support pédagogique a été réalisé au cours de mon doctorat à l'Institut de Recherche pour le Développement, dans le cadre d'une formation en SIG et télédétection délivrée à des étudiants de L'Institut de Rercherche en Sciences de la Santé (Bobo-Dioulasso, Burkina Faso). Ma thèse a été financée par le ministère de l'Europe et des Affaires étrangères, l'Institut de Recherche pour le Développement, l'Initiative 5%, et l'Agence National pour la Recherche

Country
France
Keywords

vectorisation, Télédétection, opérations attributaires, calculatrice raster, Classification supervisée d'images satellitaires, analyse multicritère spatialisée, catalogues de données spatiales, jointures spatiales, SAGA GIS, découpage, assimilation de données géographiques, [INFO.INFO-TI] Computer Science [cs]/Image Processing [eess.IV], Tutoriel, Occupation du sol, [SDE.ES] Environmental Sciences/Environment and Society, cartographie, rastérisation, Logiciel libre, QGIS

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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