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Abstract

An image reading apparatus includes: an image reading device for reading an image in a reading area including an inside and an outside of an original document area to obtain image data; a memory for storing the image data obtained by the image reading device; an edge detector for detecting a plurality of edges in the original document area according to the image data obtained by the image reading device; a calculator for calculating an inclination of an original document on the basis of the plurality of edges detected by the edge detector; and a correcting device for correcting the inclination of the original document on the basis of the inclination calculated by the calculator with respect to at least the image data in the original document area among the image data stored in the memory.

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First Claim