Document Detail


Optimizing the constant-channel chromaticity and color gamut of CRT color displays by control of brightness and contrast levels.
MedLine Citation:
PMID:  21085294     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Before a CRT color display is calibrated, the levels of the brightness and contrast controls should be considered. These levels have different effects on the relationship between the chromaticity coordinates of the red-green-blue (RGB) channels and the voltage applied to the gun as well as on the color gamut. Using three different CRT color displays, we measured both these relationships as well as the color gamut for different combinations of brightness and contrast levels. With respect to the luminance range of the white point provided by each display, the results show that the assumption of constant-channel chromaticity of the RGB channels is more valid at medium- to low-brightness levels in combination with high-contrast levels. In addition, this assumption holds at high contrast and medium- to low-brightness levels, the color gamut being optimized at these combinations of levels, with regard to the size of the triangle of primaries-the maximum luminance of the display white point.
Authors:
J A Díaz; J R Jiménez; E Hita; L J Del Barco
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Applied optics     Volume:  35     ISSN:  0003-6935     ISO Abbreviation:  Appl Opt     Publication Date:  1996 Apr 
Date Detail:
Created Date:  2010-11-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0247660     Medline TA:  Appl Opt     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1711-8     Citation Subset:  -    
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