| 摘要 |
This invention is to correct a difference of dot gain between output devices. This invention for converting binary data for a first output device to binary data for a second output device includes the steps of: converting the binary data for the first output device to multi-value data; correcting the multi-value data so that an output density by the second output device becomes equal to an output density by the first output device; and converting the corrected multi-value data to the binary data for the second output device. As stated above, by carrying out the correction so that the output density of the first output device coincides with the output density of the second output device, the user can obtain the same output result without giving consideration to a difference between output devices.
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