Image data conversion method and apparatus

Details Image data conversion method and apparatus Image data conversion method and apparatus

2006-10-24

2006-10-24

Rogers, Scott A. (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S003080

Reexamination Certificate

active

07126722

ABSTRACT:
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.

REFERENCES:
patent: 4926268 (1990-05-01), Kawamura et al.
patent: 4942480 (1990-07-01), Shu
patent: 5760918 (1998-06-01), Tanioka et al.
patent: 6172769 (2001-01-01), Rao et al.
patent: 07-212573 (1995-11-01), None

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