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《Science of Surveying and Mapping》 2012-01
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Automatic extraction of shallow landslides based on SPOT-5 remote sensing images

YANG Shu-wen①,XIE Fei①,HAN Hui①,FENG Guang-sheng②(①School of Mathematics,Physics&Software Engineering,Lanzhou Jiaotong University,Lanzhou 730070,China;②Fourth Survey and Design Institute of China Railway,Wuhan 430063,China)  
The thesis advanced an improved extraction method of shallow landslides on the basis of previous research.Firstly,bare land information was extracted from SPOT5 images based on CMSAVI method.Then,a series of further processions were done upon the extraction results:removed the shadows,then selected based on slope,after that the morphological filtering was done,then transformed the raster image into vector in order to do further selection based on area and downslope.Finally,the improved multi-peak histogram threshholding method was used for automatic extraction of landslide information.It's improved by the experiment that this method could not only get rid of non-landslides and other interference information but also realize the automatic extraction of landslide information,increase the efficiency and accuracy of extraction and identification of occurred landslides.
【Fund】: 中铁第四勘察设计院集团有限公司基金项目(2009D06-1)
【CateGory Index】: TP751;P642.22
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【Citations】
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 WANG Jiang-qiang①②,WU Lian-xi②(①Jiangxi Key Lab for Digital Land,Fuzhou,Jiangxi 344000,China;②Lishui College for Technology,Lishui,Zhejiang 323000,China);A image fusion algorithm for spectrum respective based on wavelet[J];Science of Surveying and Mapping;2010-05
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