This paper presents two methods for cloud detection : multi - channel dynamical threshold algorithm and apparent reflectance algorithm
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The apparent reflectance algorithm estimates the clear - sky visible apparent reflectance as the bases of visible channel thresholds with the 6s radiation transfer model . cloud detection is tested with apparent reflectance algorithm to gms5 images
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The validation result also indicates that over land , the apparent reflectance algorithm behaves better than dynamical threshold algorithm ; while over ocean , the clear and cloud failure scores do not have much difference
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