Color image information processing system, using color image information to which achromatic color information is appended, and input device and output device employed in same

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United States of America Patent

PATENT NO 6198552
SERIAL NO

09020851

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Disclosed is a color image processing system making it easy to carry out color management while taking account of the use environment and tastes of a user of any device. The color image processing system comprises a color image information input device, a color image information output device, an inherent color space-to-common color space conversion feature for converting color image information produced by the color image information input device and expressed in a color space inherent to the color image information input device into color image information expressed in a given color space, a first achromatic color information processing feature for adjust color image information converted to be expressed in the given color space by means of the inherent color space-to-common color space conversion feature so that an achromatic-color portion of the color image information will have a value indicating an achromatic color in the given color space, a common color space-to-inherent color space conversion feature for converting color image information expressed in the given color space into color image information expressed in the color space inherent to the color image information output device, and a second achromatic color information processing feature for adjusting color image information to be converted by the common color space-to-inherent color space conversion feature and expressed in the given color space so that a portion of the color image information having a value indicating an achromatic color will represent the achromatic color.

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Patent Owner(s)

Patent OwnerAddress
FUJITSU LIMITEDKAWASAKI-SHI

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nagae, Takeshi Kawasaki, JP 4 58

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