Extendibility Of A Thin-Cloud Removal Algorithm To Hi-Resolution Visible Bands Of Sentinel-2 Data
IGARSS 2018 - 2018 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM(2018)
摘要
The RTM-based algorithm developed to remove thin-cloud effects for Landsat-8 visible bands was extended to those of Sentine-2A visible bands. In the assessment of the extendibility, a cloud-covered Sentinel-2A image acquired on 18 February 2017 was downloaded. Another cloud-free Sentinel-2A image of the same area acquired on 8 February 2017 was selected as reference image. The three assumptions made in the original RTM-based algorithm were evaluated, and were valid for Sentinel-2A data. The algorithm was qualitatively and quantitatively effective in the thin-cloud removal for Sentinel-2A data of visible bands. Therefore, the algorithm developed for Landsat sensors was directly applicable to Sentinel-2 spectral data.
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关键词
RTM-based algorithm, Sentinel-2 spectral bands, Thin clouds removal
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