Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2014, Vol. 11, No. 4, pp. 360-368
The effectiveness of atmospheric correction for Hyperion hyperspectral images in regions with developed vegetation cover
A.A. Derkacheva
, O.V. Tutubalina
M.V. Lomonosov Moscow State University, Moscow, Russia
We review the most significant sources of atmospheric influence in remotely sensed imagery and various algorithms for image atmospheric correction, including IARD, QUAC, FLAASH, and EL. These algorithms are applied to an EO-1 Hyperion image of 27 July 2013 of a forested territory in central Kola Peninsula, north-west Russia. We conclude that the empirical line (EL) regression algorithm, which uses field spectroradiometric data for two signatures, yielded the best results, on the basis of the assessment with other field data. We provide recommendations for choosing ground signature areas: they should be sufficient in area, homogeneous, have sufficient range of spectral radiance values (as a set of signatures in total), be stable over time.
Keywords: hyperspectral images, atmospheric correction algorithms, ground spectroradiometry data
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