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25 October 2016 Use of CASI/SASI imaging spectrometer data to map mineralogy in the Hongliugou area on the northern margin of the Altyn Tagh mountains
Kai Qin, Yingjun Zhao, Jianping Chen
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Proceedings Volume 10156, Hyperspectral Remote Sensing Applications and Environmental Monitoring and Safety Testing Technology; 1015611 (2016) https://doi.org/10.1117/12.2246611
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China
Abstract
CASI/SASI data covering the hongliugou hydrothermal metallic deposit, western altyn tagh mining districts, were used to map hydrothermal alteration minerals. The hyperspectral data were calibrated to apparent surface reflectance using the empirical line method and the method of radiative transfer model. The three methods of estimating apparent surface reflectance have been evaluated by using field spectral. Two spectral unmixing algorithms (MTMF and CEM) were applied to analyse imaging spectrometer data. The objective was to compare the performance of the two algorithms, in order to map surface hydrothermal alteration mineralogy in the hongliugou area. Altered rocks and faults in the district can be discriminated by use of mineral distribute images derived from CASI/SASI data.
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Kai Qin, Yingjun Zhao, and Jianping Chen "Use of CASI/SASI imaging spectrometer data to map mineralogy in the Hongliugou area on the northern margin of the Altyn Tagh mountains", Proc. SPIE 10156, Hyperspectral Remote Sensing Applications and Environmental Monitoring and Safety Testing Technology, 1015611 (25 October 2016); https://doi.org/10.1117/12.2246611
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KEYWORDS
Mineralogy
Spectroscopy
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