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Meli, S.
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Meli, S.
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- PublicationOpen AccessAccuracy in mineral identification: image spectral and spatial resolutions and mineral spectral properties(2006-02)
; ; ; ; ;Sgavetti, M.; Dipartimento di Scienze della Terra, Università degli Studi di Parma, Italy ;Longhi, I.; Dipartimento di Scienze della Terra, Università degli Studi di Parma, Italy ;Meli, S.; Dipartimento di Scienze della Terra, Università degli Studi di Parma, Italy ;Pompilio, L.; Dipartimento di Scienze della Terra, Università degli Studi di Parma, Italy; ; ; Problems 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.147 590