Color difference formulae evaluation by method of adjustment

This experiment was carried out to test color difference formulae by method of adjustment. 6 different color centers (Red, Yellow, Green, Blue-Green, Blue and Violet) were chosen for this psychophysical experiment. 336 virtual sample pairs were prepared. The mean color difference was three CIELAB un...

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Bibliographic Details
Published in:World journal of engineering 2014-03, Vol.11 (1), p.89-94
Main Authors: Abbasi, A., Vik, M., Vikova, M.
Format: Article
Language:English
Subjects:
Color
Color centers
Observers
Panels
Samples
Statistical analysis
Stresses
Visual
Visual observation
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Summary:This experiment was carried out to test color difference formulae by method of adjustment. 6 different color centers (Red, Yellow, Green, Blue-Green, Blue and Violet) were chosen for this psychophysical experiment. 336 virtual sample pairs were prepared. The mean color difference was three CIELAB units. Each pair was assessed by a panel of 15 observers using psychophysical methods called Method of Adjustment. These visual data were used to test color-difference formulae: CIELAB, CMC, CIE94, DIN99d and CIE2000 with the help of simple statistical measures i.e., PF/3 and Stress. It was found that the visual results obtained from psychophysical method of adjustment show that CIE94 as well as DIN99d still perform well for small color differences.
ISSN:1708-5284
DOI:10.1260/1708-5284.11.1.89