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Paper Information

Journal:   AMIRKABIR   Fall 2003 , Volume 14 , Number 56-C; Page(s) 1199 To 1209.
 
Paper: 

APPLYING THE KUBELKA-MUNK EQUATION TO SIMULATE THE REFLECTANCE VALUES OF BLENDS PREPARED FROM PRE-COLOR FIBRE WITHOUT ANY LIMITATION TO NUMBER OF PRIMARIES

 
 
Author(s):  AMIRSHAHI S.H., RAFIEE S.H.
 
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Abstract: 

A Basic form of the Kubelka- tertiary blends of pre-color fibre without any limitation on the number of primaries. Similar to binary blends, the mechanism consists of two simultaneously independent processes. Firstly, the subtractive colour mixing of fibres provides a number of colour dots on the surface of samples. Then, the portative colour mixing of these dots produce the final observed or measured colour. The number of the created colours depends on the number of layers that are necessary to produce an opaque media. An increase in the fibres transparency leads to an increase of the number of colour dots on the surface. The probability of each colour existence depends on the percentages of fibres in blends. Nine layers are considered to provide the media for applying the basic form of the Kubelka; Munk equation due to the processing power of the accessible computer. The media is still translucent in some wavelengths and needs more layers to produce completely opaque substrate. The reflectance values of samples are determined by using this model as well as the Two Constant Kubelka-hunk theory. However, in comparison to the actual reflectance values of the blended samples, the results show that two constant theory leads to smaller error.

 
Keyword(s): KUBELKA-MUNK, REFLECTION PREDICTION, BLENDING OF COLOURED FIBRES, TWO CONSTANT COLOUR MATCHING
 
References: 
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