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Change detection techniques in remote sensing and digital image processing involve the identification of alterations in the Earth’s surface features by comparing multi-temporal satellite images of the same geographic area. These techniques are essential for applications such as urban expansion monitoring, deforestation studies, land use and land cover mapping, and disaster assessment. The basic process involves image pre-processing, which _____ _________ ____ ______ __________ _________ ______ ______ ___ ___ ________.
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