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Featured Paper by Khalid Al-Arfaj, Bader Al-Khlaiwi, Zhang Huaisu Detecting land use and feature changes over time is fundamental and necessary for updating GIS base maps and the management of both facilities and natural resources in Saudi Aramco huge land reservations. The extraction of feature changes was traditionally conducted by visual comparison between multi-date images, or between old maps and updated remote sensing images without reliable GIS or engineering accuracy.
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