Textile Coloration and Finishing (한국염색가공학회지)

The Korean Society of Dyers and Finishers (한국염색가공학회)
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Correction of CIEDE2000 Color Difference Formula for the Analysis of Low Chroma and Low Lightness Colors

  • Woo Hwa-Lyung (School of Textiles, Yeungnam University) ;
  • Kim, Sam-Soo (School of Textiles, Yeungnam University) ;
  • Hudson Samuel M. (Textile Engineering, Chemistry & Science Department, NC State University)
  • Published : 2006.10.27
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Abstract

There are many discrepancies between visually perceived color-difference and that which is quantified from an instrumental measurement when dark color samples are measured in the textile industry. The samples were prepared to represent these dark shades and the values of the instrumental results from conventional color-difference formulae(CIELAB, CMC, BFD II, CIE94, LCD99 and CIEDE2000). Those of visual assessment were compared. The experimental results show that the CIELAB formula gives the best performance over other formulae, and the CIEDE2000 formula for the color-difference according to chroma presents the worst performance. Therefore, we can say that the problems in color matching of dark shades are caused by imperfect formula, because the results obtained from a color-difference formulae are different and the CMC which is used as a standard color-difference formula in the textile industry is not correct. So, a revised color-difference formula is proposed in this study, to account for these problems.

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References

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