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《URANIUM GEOLOGY》 1999-01
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HYPERSPECTRAL DATA PROCESSING AND RESEARCH ON GEOLOGICAL APPLICATION IN MIAOERSHAN DISTRICT,GUANGXI PROVINCE

Xie Hongjie Li Jianfeng Liu Dechang Zhao Yinjun Huang Shutao Feng Jie(Beijing Research Institute of Uranium Geology,Beijing,100029)  
Taking Miaoershan district in Guangxi province of South China as an example area,the chara cteristics and the processing techniques of the airborne hyperspectral data are discussed in detail. A series of programs for strip removing, registration between bands, tangent correction illumination calibration and relative reflectance calibration has been develo ped. On the basis of software ENVI(the Environment for Visualizing Images),a field spectral library in the study area has been set up and a method for geometric corrections with satisfactory mosaic images has been developed. Great achievements in some aspects such as pure pixel extraction, spectral unmixing, matched filtering and spectral feature fitting have been made. Based on the processed image interpretation, silicified zones and other alteration zones are successfully delineated and specific uranium prospecting areas are proposed.
【CateGory Index】: P627
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