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《Jilin Geology》 2012-02
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Altered information extraction research based on spatial features

LI Ping1,HU Pei-qiang1,HU Wei-hua1,YUE Yue-po1,WANG Juan2 1.The Third Geology and Mineral Exploration Institute of Shandong Province,Yantai 264000,Shandong,China;2.Hydrological Geological Exploration Institute of Hebei Province,Shijiazhuang 050021,Hebei,China  
In order to attain the altered information extraction of the vegetation covered region,based on geophysics spectrum theory,combined with the geological ore-controlling structure features of research area,analyzed the load factors features of characteristic data space and the gray value of known deposits,ore spots,the different space features anomaly hues of mineralized spots in the work area,and the space characteristic distribution probability of abnormal tone,built a multivariate statistical altered information extraction model,which suits multispectral data when leaves fallen in the north.The model successfully applied in the research in altered information extraction of Xiaoxinancha surface vegetation area in the eastern part of Jilin Province,and achieved good results.
【CateGory Index】: P627
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