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Colour measurement correction model ...

Chung, Yiu-Sing.

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Colour measurement correction model for improving inter-instrumental agreement.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Colour measurement correction model for improving inter-instrumental agreement./
作者:	Chung, Yiu-Sing.
面頁冊數:	239 p.
附註:	Source: Dissertation Abstracts International, Volume: 64-02, Section: B, page: 0946.
Contained By:	Dissertation Abstracts International64-02B.
標題:	Textile Technology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3080240

Colour measurement correction model for improving inter-instrumental agreement.
Chung, Yiu-Sing.

Colour measurement correction model for improving inter-instrumental agreement. - 239 p.

Source: Dissertation Abstracts International, Volume: 64-02, Section: B, page: 0946.

Thesis (Ph.D.)--Hong Kong Polytechnic (People's Republic of China), 2003.

Accurate colour measurement is a very important factor to determine the quality of finished products in the colour-related industries, such as paint, printing or textiles. The objective colour communication method is an method to enhance both colour matching and colour assessment. Because of advances in spectrophotometry and information technology, colour quality may be expressed in a digital format and communicated to other parties by electronic means.Subjects--Topical Terms:

1020710
Textile Technology.

Colour measurement correction model for improving inter-instrumental agreement.
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100 1 $a Chung, Yiu-Sing. $3 1948803
245 1 0 $a Colour measurement correction model for improving inter-instrumental agreement.
300 $a 239 p.
500 $a Source: Dissertation Abstracts International, Volume: 64-02, Section: B, page: 0946.
500 $a Supervisor: John H. Xin.
502 $a Thesis (Ph.D.)--Hong Kong Polytechnic (People's Republic of China), 2003.
520 $a Accurate colour measurement is a very important factor to determine the quality of finished products in the colour-related industries, such as paint, printing or textiles. The objective colour communication method is an method to enhance both colour matching and colour assessment. Because of advances in spectrophotometry and information technology, colour quality may be expressed in a digital format and communicated to other parties by electronic means.
520 $a The spectrophotometer is one of the important instruments for colour matching and colour measurement. Most of the modern spectrophotometers have satisfactory repeatability and the suppliers of these instruments claim that the repeatability of the measurement on the same instrument is lower than 0.01 CIELAB DeltaE units. In this research project, it was found that the repeatability of the advanced spectrophotometers ranged from 0.044 to 0.112 CIELAB DeltaE units for the dual beam spectrophotometers while, for the single beam spectrophotometer, the repeatability ranged from 0.115 to 0.377 CIELAB DeltaE units.
520 $a When considering the inter-instrumental agreement of different makes of spectrophotometers, the manufacturers also claim that the inter-instrumental agreement of those of similar design is lower than 0.15 CIELAB DeltaE units. However, in this research, it was found that the inter-instrumental agreement between the spectrophotometers manufactured by the same manufacturer ranged from 0.526 to 0.611 CIELAB DeltaE units. The inter-instrumental agreement between the spectrophotometers manufactured by different manufacturers ranged from 0.575 to 0.854 CIELAB DeltaE units.
520 $a Since the inter-instrumental agreement of the spectrophotometers is very low, various mathematical models have been developed in order to improve the inter-instrumental agreement between spectrophotometers. In this project a new mathematical model, named the R-Model, was developed using both GLOSSY and MATT Ceramic Tiles. Spectral data from 400--700 nm was analysed using the concept of bandpass correction as well as the multilinear regression method. The performance of R-Model was found to be better than that of the previous models. The improvement of the inter-instrumental agreement was up to 90% for the ceramic tiles. Moreover, the inter-instrumental agreement for the other coloured samples such as textile and paper samples also improved accordingly, from 26.1% to 57.6% and 13.7% to 61.1% respectively.
590 $a School code: 1170.
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710 2 0 $a Hong Kong Polytechnic (People's Republic of China). $3 1249353
773 0 $t Dissertation Abstracts International $g 64-02B.
790 1 0 $a Xin, John H., $e advisor
790 $a 1170
791 $a Ph.D.
792 $a 2003
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3080240