Method of correcting colors and color image processing apparatus

Details Method of correcting colors and color image processing apparatus Method of correcting colors and color image processing apparatus

1996-11-27

1999-06-01

Boudreau, Leo H.

Image analysis

Color image processing

Color correction

382162, G06K 900

Patent

active

059095067

ABSTRACT:
A color correcting device includes (1) a color correcting section furnished with a plurality of color correcting systems having their respective color correcting rates and color correcting accuracy, (2) a representative color selecting section for selecting representative colors from a color separation signal of an original image, and (3) a color correcting system selecting section for selecting one of the color correcting systems based on the color correcting result of the representative colors, whereby the color correcting device converts the color separation signal of the original image into a color correcting signal using the color correcting system selected by the color correcting system selecting section. This arrangement makes it possible to judge the quality of a color-corrected image without subjecting all the input image data of the original image to the color correcting operation. Consequently, a copy image of the original image can be made efficiently with satisfactory color correcting accuracy.

REFERENCES:
patent: 5162899 (1992-11-01), Nara et al.
patent: 5414537 (1995-05-01), Omuro et al.
S. Taku, et al., "Method for Compensating Distance Between Signals for Memory Device", Japanese Examined Patent, Publication No. 58-16180, Mar. 30, 1983.
S. Yoshiharu, et al., "Method and Device for Adjusting Color of Color Image", Japanese Laid-Open Patent, Application No. 5-119752, May 18, 1993.
T. Tsunoda, "Typical Color Selection Method", Japanese Laid-Open Patent, Application No. 5-159050, Jun. 25, 1993.

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