| 摘要 |
An image processing apparatus that determines, when performing color calibration, whether or not a calibration chart is usable. A scanning unit acquires image data by optically scanning an original document. A usability determining unit determines, in accordance with conditions for colors indicated by standard image data acquired by scanning the original document, whether or not the original document is usable as the calibration chart. A calibration unit performs, only when the determination is made that the original document is usable as the calibration chart, color calibration by using an image value at a predetermined position indicated by the standard image data.
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