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Kubelka--Munk Theory and the YuIe-NieIsen Effect on Halftones

机译:Kubelka-Munk理论和YuIe-NieIsen对半色调的影响

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This report experimentally relates the Yule--Nielsen n parameter for optical dot gain to the scattering and absorption param- eters, S and K, of Kubelka--Munk theory The relationship between the parameters is made through another metric of light scatter, k_p, defined as the inverse of the frequency ω in cy/mm, at which the MTF of the paper equals 1/2. The value of n is related exponentially to k_p, as shown in earlier work, and the current work indicates that k_p=c/S, where c is a constant equal approximately to 10. However, contrary to some intuition and to previous theoretical projections, the absorption coefficient of the paper, K, has no significant influence on k_p or the MTF of paper.
机译:该报告通过实验将光点增益的Yule-Nielsen n参数与Kubelka-Munk理论的散射和吸收参数S和K相关联。这些参数之间的关系是通过另一种光散射度量k_p来确定的,定义为频率ω的倒数,以cy / mm为单位,纸的MTF等于1/2。如先前的工作所示,n的值与k_p呈指数关系,并且当前的工作表明k_p = c / S,其中c是大约等于10的常数。但是,与某些直觉和先前的理论预测相反,纸的吸收系数K对纸的k_p或MTF没有显着影响。

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