Method and system for correcting color display based upon ambien

Details Method and system for correcting color display based upon ambien Method and system for correcting color display based upon ambien

1995-12-18

1999-09-21

Nguyen, Chanh

Computer graphics processing and selective visual display system

Display peripheral interface input device

348807, G09G 504

Patent

active

059560150

ABSTRACT:
The color matching methods and systems according to the current invention accomplish accurate color matching by separating causes for creating color discrepancies in a predetermined color patch on an image-carrying medium and a color monitor display. In general, the chromaticity values of the predetermined color patch are measured under a standard calorimeter light source whose luminance is different from that of ambient light. The corresponding color is displayed based upon the luminance of the standard light. However, ambient light does not generally have the above luminance. Thus, when the color display is compared against the color patch under ambient light, the colors do not appear identical. To solve this and other problems, the current invention discloses methods and systems to adjust the display signals based upon the luminance of ambient light.

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Publication entitled "Shikisai-kogaku (Color Engineering)" from Noboru Oota, 1993, Chapter 6, pp., 186-191.
Publication entitled "Color-Management System" by K. Shinosawa (1995), 6 pages.
Publication entitled "Shikisai-kogaku (Color Engineering)" from Noboru Oota, 1993, Chapter 4, pp. 115-141.

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