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⵵/ȣ 2005 / ȣ: V.17,no.2,Apr
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2(Ÿ) Color Differences of Standard Samples according to Their Lightness Levels
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(Ÿ) Jeong Ryeol Kim , Seung Jun Lee and 1Sam Soo Kim
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Ҽ(Ÿ) Yeungnam University
/ 19 ~ 25 : 7
() Korean
ʷ A colour-difference formulae would be based on a colour appearance model, but, So far, most colour-difference formulae in common use are based on empirical fits to data. Therefore, of the many proposed, none are completely satisfactory but advances have been made in recent years. A new color-difference data set has been produced with the aims of making a comparison of the advanced CIE Lab formulae as well as confirming the effect of color-difference. 416 low lightness pairs that have only lightness-difference were produced for evaluation of CIE Lab-based formulae on lightness-difference from glossy polyester fabric. The standard color-difference pair was prepared and used. It was neutral grey sample pair that has only lightness difference. The standard pair was used to investigate lightness tolerances. And grey-scale method used to evaluate visual assessment. CIE Lab coordinates of the samples were measured using a X-Rite 8200 spectrophotometer. Visual assessments were carried out using Gretag Macbeth The Judge Light Booth. A study of color tolerances at low lightness was carried out and get avaliable some results.
Ű lightness, color-difference, grey-scale, CIE Lab, visual assessment
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Reference http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=OSGGBT_2005_v17n2s81_19

                                                                            
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