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Accuracy assessment is a critical component of remote sensing and digital image processing, as it evaluates the reliability and usefulness of classified or interpreted data products. Several considerations must be taken into account to ensure that accuracy assessment is meaningful, objective, and scientifically valid. One of the foremost considerations is the selection of appropriate reference or ground truth data. Reference data should be more accurate than the classified data being assessed and should ideally be collected from field surveys, high-resolution satellite imagery, or aerial photographs. For example, land use/land cover classification derived ___ _________ _______ __________ _____.
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