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Textile surface structure importance and Kubelka-Munk theory use in colour match calculations

机译：纺织品表面结构的重要性和Kubelka-Munk理论在颜色匹配计算中的应用

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摘要

One of the parameter of greatest interest in the production of coloured surfaces is their colour constancy and one of the most serious practical problems is the change in colour appearance with change in conditions regarding the surface characteristics. The colour appearance of textile surfaces is usually modeled through Kubelka-Munk theory. The Kubelka-Munk colour model describes the reflectance of coloured sample as a function of absorption spectrum K(λ), a scattering spectrum S(λ) and the reflectance spectrum of the substrate. When there is a variation in measurement of samples dyed with different shaded dyestuff in corresponding concentrations, certain differences will occur in K/S values and the reliability of K-M operations will become a question. In this paper the aim was to point out the shortcomings of Kubelka - Munk theory and to analyze the influence and the importance of surface structure of sample and also the size of measured surface through the performance of K-M colour match calculation on yellow and blue dyed samples. Due to this aim certain calculation of predicted colour values were performed using numerical software tool MATLAB. Using MATLAB, simulation of coloured samples based on K/S values were made and than compared to the results of the real measured dyed samples, also the correction of concentration were performed. The results were also analyzed statistically.
机译：在彩色表面的生产中最感兴趣的参数之一是它们的颜色恒定性，而最严重的实际问题之一是颜色外观随表面特性条件的变化而变化。纺织品表面的颜色外观通常通过Kubelka-Munk理论建模。 Kubelka-Munk颜色模型将有色样品的反射率描述为吸收光谱K（λ），散射光谱S（λ）和基材反射光谱的函数。当用不同浓度的不同阴影染料染色的样品的测量值发生变化时，K / S值将发生某些差异，而K-M操作的可靠性将成为一个问题。本文的目的是指出Kubelka-Munk理论的缺点，并通过对黄色和蓝色样本进行KM色彩匹配计算，分析样本表面结构的影响和重要性，以及分析被测表面的尺寸。 。由于这个目的，使用数值软件工具MATLAB执行了预测的色彩值的某些计算。使用MATLAB，根据K / S值对有色样品进行仿真，然后与实际测量的染色样品的结果进行比较，并对浓度进行校正。还对结果进行了统计分析。

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