Imaging Spectrometer Data Analyzer (ISDA): A Software Package for Analyzing High Spectral Resolution Data

RESUMEAvec l'arrivee, il y a quelque dix ans, du spectrometre imageur aeroporte, une generation fondamentalement nouvelle de donnees devenait ainsi accessible aux specialistes de la teledetection. Comme ces donnees comportent un grand nombre de dimensions, elles rendent possible l'etablissement de spectres semblables a ceux que l'on peut obtenir en laboratoire, pour chaque pixel de la scene et permettent, par consequent, l'extraction de nouvelles caracteristiques. En raison de leur volume et de leur complexite, les donnees du spectrometre imageur ne peuvent etre traitees par des systemes classiques de traitement d'images. En effet, elles requierent la mise au point de nouvelles techniques permettant de traiter des donnees a haute resolution spectrale.Le present article decrit le logiciel ISDA (Imaging Spectrometer Data Analyzer) implante sur le systeme d'analyse d'images numeriques Landsat (LDIAS) du Centre canadien de teledetection. Des techniques elaborees tout specialement pour l'analyse de ces donnees...

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