Color image signal processing method for correcting hue turn...

Details Color image signal processing method for correcting hue turn... Color image signal processing method for correcting hue turn...

2007-06-12

2007-06-12

Mancuso, Joseph (Department: 2624)

Image analysis

Color image processing

Color correction

C348S651000, C348S652000

Reexamination Certificate

active

10464740

ABSTRACT:
A chromaticity diagram is divided into a plurality of sections by a primary color line and a complementary color line of a color that does not cause hue turn, then it is decided to which section a color signal being output from an imaging device belongs, and then a color correcting operation is performed for the color signal every section. Accordingly, it is not needed to detect the flesh color itself when the hue turn of the flesh color is corrected by the color correcting operation. Any flesh color can be decided easily according to whether or not the color signal being output from the imaging device has entered into the section including the flesh color. Therefore, the appropriate color correcting operation can be applied to the flesh color.

REFERENCES:
patent: 5999230 (1999-12-01), Tanabe
patent: 6504952 (2003-01-01), Takemura et al.
patent: 6535301 (2003-03-01), Kuwata et al.
patent: 2003/0174222 (2003-09-01), Uchida
patent: 2003/111091 (2001-11-01), None

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