Coupled correction and classification of hyperspectral imagery for mapping coral reefs of Agatti and Flat Islands, India

作者: Sumisha Velloth , Raghavendra S. Mupparthy , B.R. Raghavan , Shailesh Nayak

DOI: 10.1080/01431161.2014.926410

关键词: Coral reefWater columnGeologyBayRemote sensingRemote sensing (archaeology)Radiative transferLakshadweepAtmosphereHyperspectral imaging

摘要: Among the various remote-sensing options available today to map ecomorphological classes of corals, hyperspectral remote sensing is one best by virtue its spectral capabilities, while high spatial resolution a necessary condition resolve finer morphological features spatially. Given high-spatial data equal or better than 30 m, discrimination capability end-members multi-/hyperspectral satellite dependent on efficacy correction for atmospheric effects and intervening water column. In this study, coupled approach account oceanic radiative contributions, called Coupled Ocean Atmosphere Radiative Transfer (COART), was applied Earth Observing 1 (EO-1) mission Hyperion image acquired over coral reefs Agatti Island in Lakshadweep Islands, Arabian Sea Flat Andaman Bay Bengal, India. The paper presents an open-source correct perform unsupervised cla...

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