UNDERCOLOR REMOVAL GRAY COLOR REPLACEMENT WITH IMPROVED DEVICE COLOR LINEARITY

A system and methods for performing UCR/GCR (Undercolor Removal/Gray Color Replacement) in a digital printer is provided. The system and method includes maximizing the linearity of a color mapping function mapping a device independent color to a device dependent color through linear filtering and pe...

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Bibliographic Details
Main Authors FAN ZHIGANG, MALTZ MARTIN S, WANG YAO RONG, GIL ALVARO ENRIQUE
Format Patent
LanguageEnglish
Published 26.08.2010
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Summary:A system and methods for performing UCR/GCR (Undercolor Removal/Gray Color Replacement) in a digital printer is provided. The system and method includes maximizing the linearity of a color mapping function mapping a device independent color to a device dependent color through linear filtering and performing color projection to ensure color accuracy. The system and methods reduces graininess of printed color images having flesh-tones by also including a K reduction step.
Bibliography:Application Number: US20090391443