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Generally, clouds and snow are mixed in one image together, the clouds are difficult to be identified from the image. Here, clouds were divided into high clouds, medium clouds, low clouds and thin clouds. They were identified and removed according to respective thresholds, which were obtained from experiments basing on AVHRR/2 data over Qinghai-Tibet Plateau. In the light of visual inspection, it...
In this work, an algorithm for automatic subpixel snow mapping was developed for Moderate Resolution Imaging Spectroradiometer (MODIS) data of the Qinghai–Tibet Plateau. The algorithm consists of two parts: cloud removal and snow mapping. An approach to remove cloud was presented and it was demonstrated to remove thick and thin clouds well from MODIS images. Multiple-endmember spectral mixture analysis...
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