Color correction method and apparatus using adaptive region sepa

Details Color correction method and apparatus using adaptive region sepa Color correction method and apparatus using adaptive region sepa

1994-09-28

1996-09-03

Rogers, Scott A.

Facsimile and static presentation processing

Natural color facsimile

Color correction

358519, 358523, 348675, H04N 156, H04N 160

Patent

active

055529046

ABSTRACT:
The present invention relates to a color correction method for dividing a color space and producing a color correction coefficient for respective regions. The method comprises the steps of receiving image data, discriminating a region to which the input data pertains and selecting a color correction coefficient in accordance with the region so as to produce the selected one, performing color correction by operating the selected color correction coefficient and the input data, and outputting the color-corrected image data.

REFERENCES:
patent: 4929978 (1990-05-01), Kanamori et al.
patent: 5448380 (1995-09-01), Park
Miyake et al., "Facial Pattern Detection and Color Correction from Television Picture for Newspaper Printing", Image Science and Technology, 1990.
Miyake et al., "A New Method for Color Correction in Hardcopy from CRT Images", Image Science and Technology, vol. 37-1, pp. 30-36, 1993.

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