Near black under color removal
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United States of America Patent
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May 16, 2000
Issued Date -
N/A
app pub date -
Jul 15, 1996
filing date -
Mar 8, 1993
priority date (Note) -
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status (Latency Note)
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Abstract
An arrangement for sharpening the resolution of printed text in a color printing system is disclosed. An image processing system (1) includes a color conversion apparatus (2) for converting from one color space (RBG) to another color space (CMYK) for display on a color printer (8). The color conversion apparatus (2) includes a near-black correction unit (36) which detects near black-near white and near white-near, black transistions and when such a transition occurs, outputs a full,or deep black color in place of the near-black color.
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