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We proposed an approach to detected land cover change based on the false color composite of the combination of bare soil index and building index (NDBSI) derivatives. NDBSI is an index that can distinguish building and vegetation well. In this paper, we first obtained a false color composite, named RGB-NDBSI, based on the NDBSI image of previous phase, NDBSI image of latter phase and NDBSI different image between the two phases. Based on the data generated, we identified the land cover change by BP neural network ...