Image processing apparatus, inkjet printing apparatus and image processing method

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United States of America Patent

PATENT NO 8882228
SERIAL NO

13613657

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Abstract

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The use amount of clear ink is set to minimize the hue difference Δθs−d from each of the colors corresponding to input signal values. The use amount of the clear ink to provide the minimum hue difference Δθs−d is varied depending on the use amount of color ink used for the color corresponding to the input signal value. A color conversion table having output values of the use amount and ink color data corresponding to the use amount is set. The color conversion in such a relationship is performed, whereby the bronzing color is recognized as a color close to the print color. As a result, undesired bronzing is lessened, so that degradation in image quality can be suppressed.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Konno, Yuji Kawasaki, JP 104 1586
Ojiro, Hinako Wynnewood, US 8 49
Yazawa, Takeshi Yokohama, JP 99 1019

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