Method and apparatus for color calibration

Details Method and apparatus for color calibration Method and apparatus for color calibration

2007-12-25

2007-12-25

Poon, King Y. (Department: 2625)

Television

Display or receiver with built-in test signal generator,...

Setup

C348S182000, C348S189000, C348S190000, C348S645000, C348S589000

Reexamination Certificate

active

10693345

ABSTRACT:
The present invention provides a method and an apparatus for color calibration for calibrating an input color. A target color represented by a first coordinate pair (X1, Y1). An input color, which is to be calibrated, is represented by a second coordinate pair (X2, Y2) and can be adjusted with a chrominance parameter Pb and a chrominance parameter Pr. The first coordinate pair (X1, Y1) and the second coordinate pair (X2, Y2) are compared to obtain a state. In response to the state, Pb and Pr are adjusted until the second coordinate pair is equal to the first coordinate pair. Therefore, the input color is calibrated to match the target color.

REFERENCES:
patent: 2002/0041709 (2002-04-01), Gonsalves

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