摘要(英) |
Since there are display products at marketing, the mankind, to demanding and never stopping through the requirement that the display revealed on the vision, move towards 100% true color reproducing way, during these years, innovation that optics and relevant science and display technology are constant, make every research center recently and manufacturer to get the result that display appear and human eye see reach same picture quality, new discoveries constantly to especially reproduce the research of the respect in color accuracy, color reproducing, make display approach true picture human eye see even more, so color could faithful be appeared, will be the quality indicator of display device. In this paper we will probe into Gamma Curve and the most low-order depth (Bit Depth) relation then achieve CDI (Color Distribution Index) =100%, in order to demonstrating 100% true color, at CIE1976 (L*, a*, b*) colour system. Introduce human eye perceiving ability first, and the color theory used , CIE1931 RGB, CIE1931 XYZ, CIE1931 Lxy, CIE1931 Lu’v’, and CIE1976 L*a*b*, how describe Gamma curve and colour gamut boundary, color distribution index theory, use different bit number to check CDI result, and what’s the result for different luminance, contrast ration and the part that this theory still need to probe into again, then propose the solution, at Lu’v’ color appearance, to archive CDI=100% display need to use 12 bits, but for L*a*b* color space, implement S Gamma curve, only need 11 bits to reach CDI=100%. And verify the solution put forward via the simulation result of the procedure and experimental result.
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