White point adjusting method, color image processing method,...

Details White point adjusting method, color image processing method,... White point adjusting method, color image processing method,...

2005-03-01

2005-03-01

Awad, Amr A. (Department: 2675)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S101000, C345S102000, C345S089000

Reexamination Certificate

active

06862012

ABSTRACT:
A white point adjusting apparatus is provided to adjust an achromatic color level for an input video signal including a plurality of color signals, and display an adjusted image on a liquid crystal module. This adjusting apparatus comprises: a first table for setting a white point by deciding an offset quantity of at least one color signal from a highest gray level for each color temperature; a second table for setting an offset quantity of the color signal to converge a halftone white point for each color temperature set by the first table; and a white point adjusting unit for adding the offset quantities set by the first and second tables and to the input video signal.

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