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EXTRACTION FOR ROCK AND ORE DEPOSITS INFORMATION AND PROSPECTS FOR APPLICATION OF GEOLOGY USING HYPERSPERCTRAL REMOTE SENSING ——TIBET PLATEAU AS TEST SAMPLE |
GAN Fu-ping1, WANG Run-sheng2, GUO Xiao-fang2, WANG Qing-hua2 |
1. China University of Geoscience, Beijing 100083, China;
2. Aero Geophysical Survey and Remote Sensing Center, Beijing 100083, China |
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Abstract Hyperspectral remote sensing has great potentialities for application in geology. It can identify and extract directly the material of earth surface, especially the altered rock. And it also can quantify the composition and the abundance of material of surface using SUM (spectral unmixing method) and MGM(modified Gaussian method). But the latent texture information of hyperspectral remote sensing image was often neglected. The paper groped the method for extracting and quantity those rich texture information using the clip transformation and effective average gradient (EAG) technique in gray space and the multi-frequency transformation or the wavelet packets technique in frequency space. Aprocessing diagram of geological application of hyperspectral remotely sensing was given. It's potentialities for geological application can be imagined using Tibet Plateau as a test sample. At last, some questions, which must be resolved now or in the future, were discussed.
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Keywords
Radar imaging
Textures
Polarization
Leaf Area Index(LAI)
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Issue Date: 02 August 2011
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