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基于CNN-LSTM的卫星云图云分类方法研究 王杉.pdf


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DOI:10.1189xiang2 and ZHANG Ying3
1College of Information Engineering,East China Jiaotong University,Nanchang 330013,China
2National Meteorological Information Center,China Meteorological Adminstration,Beijing 100081,China
3Jiangxi Provincial Meteorological Observatory,Jiangxi Meteorological Bureau,Nanchang 330000,China
 
Abstract The classification of satellite cloud images has always been one of the research hotspots in the field of meteorology.But
there are some problems,such as the same cloud type has different spectral features,different cloud types have the same spectral
features,and mainly use the spectral features and ignore spatial features.To solve the above problems,this paper proposes a cloud
classification method of satellite cloud image based on CNN-LSTM,which makes full use of spectral information and spatial in-
formation to improve the accuracy of cloud classification.Firstly,the spectral features are screened based on the physical charac-
teristics of the cloud,and the square neighborhood of the point cloud is used as the spatial information.Then,the convolutional
neural network(CNN)is used to automatically extract the spatial features,which solves the problem of difficult classification
with spectral feature alone.Finally,on this basis,comb

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