The aim of the digitization stage is to capture all the information from an original that will be needed in the reproduction and convert it into an array of binary numbers that a computer can process. The human visual system actively seeks cues that will give it information about the objects within the visual field, and a reproduction of an image that contains a large amount of detail is almost always preferred to one in which some of the detail has been lost. The more information that the reproduction contains about the original scene—the objects in it, their colors, textures—the more realistic the reproduction appears.
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