Color conversion apparatus

Details Color conversion apparatus Color conversion apparatus

1989-09-01

1992-04-14

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 75, G03F 38, H04N 146

Patent

active

051052679

ABSTRACT:
A color conversion apparatus in use with a digital image processing sysetm in which image data is represented by digital data of three separated colors. The apparatus has a colorimetric system converter for separately converting the separated color data into chromaticity data and value data and a designating device for designating an original color and a converted color. A discrimination device discriminates whether or not the chromaticity data from the colorimetric system converter is coincident with the chromaticity data of an original color designated by the designating device. A selecting device selects one of the chromaticity data from the colorimetric system converter and the chromaticity data of an original color designated by the designating device on the basis of the discrimination result.

REFERENCES:
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patent: 4517590 (1985-05-01), Nagashima et al.
patent: 4667250 (1987-05-01), Murai
patent: 4758885 (1988-07-01), Sasaki et al.
patent: 4855765 (1989-08-01), Suzuki et al.
patent: 4887151 (1989-12-01), Wataya
patent: 4896208 (1990-01-01), Moriya et al.
patent: 4931860 (1990-06-01), Narumiya

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