Color correction processing circuit by each hue

Details Color correction processing circuit by each hue Color correction processing circuit by each hue

2008-06-03

2008-06-03

Yenke, Brian P (Department: 2622)

Television

Image signal processing circuitry specific to television

Color balance or temperature

C348S649000, C348S651000, C348S703000, C345S591000, C345S600000, C345S094000, C358S520000, C382S167000

Reexamination Certificate

active

07382415

ABSTRACT:
The object of the present invention is to provide a color correction process designed for enabling all the hues in the image properly corrected without leaving any uncorrected range; the inputted image data represented by the combination of 3 color signals is divided into a plurality of ranges by the hue so that color correction can be made by the range of each hue; in the color correction processing circuit by each hue, in order for the peripheral area of the range set for color correction to be prevented from being left uncorrected, the color correction process is designed so that correction ranges peripherally overlap with one another.

REFERENCES:
patent: 1529125 (1925-03-01), Goodwin
patent: 5452018 (1995-09-01), Capitant et al.
patent: 5999230 (1999-12-01), Tanabe
patent: 6424374 (2002-07-01), Itakura
patent: 6614488 (2003-09-01), Yamauchi et al.
patent: 6621497 (2003-09-01), Sugiura et al.
patent: 7180524 (2007-02-01), Axelrod
patent: 2003/0227465 (2003-12-01), Morgan et al.
patent: 2006/0170698 (2006-08-01), Morgan et al.

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