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AuthorsSgavetti, M.* 
Longhi, I.* 
Meli, S.* 
Pompilio, L.* 
TitleAccuracy in mineral identification: image spectral and spatial resolutions and mineral spectral properties
Issue DateFeb-2006
Series/Report no.49/1
Keywordsreflectance spectroscopy
rock identification
spectral resolution
spatial resolution
noise effects
Subject Classification04. Solid Earth::04.04. Geology::04.04.11. Instruments and techniques 
AbstractProblems related to airborne hyperspectral image data are reviewed and the requirements for data analysis applied to mineralogical (rocks and soils) interpretation are discussed. The variability of mineral spectral features, including absorption position, shape and depth is considered and interpreted as due to chemical composition, grain size effects and mineral association. It is also shown how this variability can be related to well defined geologic processes. The influence of sensor noise and diffuse atmospheric radiance in classification accuracy is also analyzed.
Appears in Collections:Annals of Geophysics

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