Question
Discuss various considerations for accuracy assessment giving suitable examples.
Answer :
Word Count : 557
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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 from medium-resolution satellite data can be validated using GPS-based field observations or very high-resolution images from platforms like WorldView or Google Earth. Another important consideration
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