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* PDF α Ͻñ ٶϴ. |
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2006 / ȣ: V.18,no.5,Oct |
1() |
A study on the Modification of Fastness Formulae and the Measurement of Staining Fastness by CCM |
2(Ÿ) |
A study on the Modification of Fastness Formulae and the Measurement of Staining Fastness by CCM |
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Ju Young Park, Min Gi Hong, Nan Hyeng Lee1, Sam Soo Kim,Samuel M. Hudson2 and Sung Su Park3 |
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Ju Young Park, Min Gi Hong, Nan Hyeng Lee1, Sam Soo Kim,Samuel M. Hudson2 and Sung Su Park3 |
Ҽ() |
Yeungnam University,NC State University,3upson |
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Yeungnam University,NC State University,3upson |
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80 ~ 87 : 8 |
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English |
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A new fastness formula based on the CIEDE2000 color-difference formula was developed by B. Rigg
and his coworkers. It is much simpler to calculate the staining fastness grade than the ISO 105-A04 fastness
formula based on the CIELAB color-difference formula. Sample pair sets, which cover a wide color space range
were accumulated from the NCS(Natural Color System) color book. For those sample pair sets, a visual
measurement experiment and an instrumental measurement experiment of fastness grade were carried out. Each
performance of the ISO 105-A43 fastness formula and newly developed fastness formula was compared through
degree of agreement for visual measurement results. The newly developed fastness formula indicated improved
performance for measuring fastness grade as it was confirmed that the performance of the current ISO fastness
formula ISO 105-A04 for assessing staining, was inadequate for measuring fastness grade. Then the fastness
formulae were examined more closely according to the particular color spaces and the correlation of hue,
lightness and chroma for measuring staining fastness grade was also considered to recommend more improved
fastness formula. By modifying the weighting functions of CIEDE2000, which is a basis of new fastness formula
developed by B. Rigg, a modified fastness formula is proposed in this study. |
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fastness formula, color-difference formula, gray-scale, CIELAB, the new fastness formula developed from
the CIEDE2000 |
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Reference |
http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=OSGGBT_2006_v18n5s90_80 |
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