| 摘要 |
There is provided an image scanning apparatus including: a plurality of image scanning unit that reads image information pieces of different colors at positions shifted from each other in one scanning direction or the other; a color image generation unit that generates color image information on the assumption that a plurality of the image information pieces read by the image scanning unit are the image information at the same position in the scanning direction; a black-and-white image generation unit that generates black-and-white image information on the assumption that the plurality of image information pieces read by the image scanning unit are the image information pieces at the positions different from each other in the scanning direction; and a selection unit that selects the color image information generated by the color image generation unit or the black-and-white image information generated by the black-and-white image generation unit as the image information to be employed, based on the read image information.
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