Instrument dependency of Kubelka-Munk theory in computer color matching


Journal: Vol.5, No.2, 2012 - Article 4   Pages :   Until 



Article Code:
PCCC-08-01-2012-187

Authors:
Saeideh Gorji Kandi: Amirkabir University of Technology - Polymer Engineering and Color Technology Departmen
Farhad Ameri: Institute for Color Science and Technology - Department of Color Physics
N. Khalili: Institute for Color Science and Technology - Department of Color Physics


Article's abstract:

Different industries are usually faced with computer color matching as an important problem. The most famous formula which is commonly used for recipe prediction is based on Kubelka-Munk K-M theory. Considering that spectrophotometer’s geometry and its situation influence the measured spectral values, the performance of this method can be affected by the instrument. In the present study, three spectrophotometer geometries including 45/0, d/8 with specular component included and d/8 with specular component excluded mode were compared in the case of recipe prediction of textile samples using K-M theory. In comparison between the applied measuring situations, the color matching results obtained from d/8 geometry in SCE mode are far better than the others however, 45/0 geometry gives the poorest performance.


Keywords:
color matching, spectrophotometer geometry, Kubelka-Munk, colorimetry

References:
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