Mapping Copper Mineralization Using EO-1 Hyperion Data Fusion with Landsat 8 OLI and Sentinel-2A in Moroccan Anti-Atlas
Geocarto international(2019)
摘要
In Morocco, the oriental Anti-Atlas encompasses many valuable deposits, including that of copper (Cu) which is located in the Sidi Flah-Bouskour inlier. This deposit is known for its high importance on the national scale. The present work aims to compare the Hyperion raw and fused data for mapping Cu mineralization. After applying the pre-processing steps on the images used, the fusion (hyperspectral/multispectral) process was done using the colour normalized spectral sharpening method. Subsequently, the mineralogical mapping task was performed using the mixture tuned matched filtering and the independent component analysis methods. In the last step, a geophysical data, a field survey and spectroradiometric measurements were done for checking and validating the results obtained. The analysis showed a high performance of the fused images for mineralogical mapping. Consequently, the methodology proposed can be exploited in mineralogical mapping, and also in other remote sensing works.
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关键词
Remote sensing,copper mineralization,hyperspectral,multispectral fusion
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