Computer graphics processing and selective visual display system – Data responsive crt display control – Color display
Patent
1997-01-15
1999-02-09
Luu, Matthew
Computer graphics processing and selective visual display system
Data responsive crt display control
Color display
345150, G09G 128
Patent
active
058700692
ABSTRACT:
A method for displaying a color image under various illuminants is provided. In the color image displaying method, the chromaticity of an illuminant existing in a space in which a predetermined display device is located and the luminance ratio of a white paper on the display under the illuminant with respect to a luminance of the display device are measured. A shift ratio of a visual white of the display device using the chromaticity and the luminance ratio is determined. A new visual white of the display device in which the influence of the illuminant is removed using the shift ratio is obtained. A white of a displayed color image on the display device is shifted to the new visual white. Therefore, a visually consistent color image can be reproduced on the color display device under any illuminant.
REFERENCES:
patent: 4875032 (1989-10-01), McManus et al.
patent: 5313291 (1994-05-01), Appel et al.
Choh Heui-keun
Park Du-sik
Luu Matthew
Samsung Electronics Co,. Ltd.
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