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In computer graphics, '''subsampling''' is the process of shrinking an image to a smaller size. It is a type of [[image scaling]], usually used to alter the appearance of an image or to reduce the quantity of information required to store an image.
==Methods of Subsampling== Two commonly used methods of subsampling are ''replacement'' and ''interpolation''. Replacement selects a single pixel from a group and uses it to represent the entire group. Interpolation uses a statistical sample (such as the mean) to create a new representation of the entire group. ==See Also==
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