| 摘要 |
An image reading apparatus includes: a light source that generates light by synthesizing light from different illuminants and irradiates an irradiated object with the generated light; a reading unit that reads light irradiated by the light source and reflected by the irradiated object and generates image information in a first color space on the irradiated object; a color conversion unit that converts the image information in the first color space into image information in a second color space with a color conversion factor group; and a color conversion factor group setting unit that acquires from the reading unit the image information generated by using, as the irradiated object, a color sample formed in a color of light emitted by one of the illuminants, determines the color conversion factor group to be used, according to the acquired image information, and sets the color conversion factor group to the color conversion unit.
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