Cloud removal from the AVHRR/2 images with cloud and snow over Qinghai-Tibet Plateau

Abstract

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 can be found that the results of cloud removal were reliable and accurate.