System and method for color space conversion

Details System and method for color space conversion System and method for color space conversion

1996-03-29

1999-08-31

Lee, Thomas D.

Facsimile and static presentation processing

Natural color facsimile

Color correction

358518, G03F 308

Patent

active

059461136

ABSTRACT:
A system and method for converting a color uses an extended color space to convert a color from a first color space to a second color space. The extended color space is extended from the second color space. In other words, the extended color space has increased valid component ranges compared with the second color space to accommodate the conversion of any valid colors from the first color space. Subsequent operations on the converted color in the extended color space occur without the presence of conversion artifacts found in many conventional color space converters.

REFERENCES:
patent: 4670780 (1987-06-01), McManus et al.
patent: 4941038 (1990-07-01), Walowit
patent: 5448379 (1995-09-01), Ishihara et al.
patent: 5448380 (1995-09-01), Park
patent: 5483360 (1996-01-01), Rolleston et al.
patent: 5493677 (1996-02-01), Balogh et al.
patent: 5583665 (1996-12-01), Gregory, Jr. et al.
patent: 5594558 (1997-01-01), Usami et al.
Poynton, "colorspace-faq--FAQ about Colour and Gamma," published on the internet at http://www.inforamp.net/poynton/Poynton-colour.html, sections G-0-G-19 and C-1-C-47, May 28, 1995.
Poynton, "Poynton's Colour FAQ," sections 0-47, May 27, 1995.

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