System for converting color image signals from RGB to CMY color spaces through look-up tables
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United States of America Patent
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Jul 28, 1998
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N/A
app pub date -
Sep 27, 1996
filing date -
Sep 27, 1996
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Abstract
A system for converting RGB color signals to CMY or CMYK color signals, such as to operate a color printing apparatus, utilizes three separate electronic look-up tables. Each look-up table allows inputs of RGB signals, which are applied to a three-dimensional space. Each point in the space represents an output for one CMY color signal, and each look-up table is dedicated to one CMY color output. Each look-up table emphasizes one particular RGB color, by providing a higher resolution of inputs along the axis for that color.
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