| 摘要 |
A regulated amount measuring apparatus indicates a difference between two colors, for example, a discrepancy between a color of a printed matter in proof and a target color, to provide an index for a color regulation. A profile of the printing machine of interest is stored. Two sets of colorimetry values obtained through twice colorimetry for a proof image and the printed matter of a proof for instance are converted through the color profile to obtain two sets of coordinate values on a device color space, for example, CMY color space. Differences DELTA C, DELTA M and DELTA Y between the two sets of coordinate values are computed and then displayed.
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