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Simulating Discrimination for Quality Evaluation of Rubelite Red
Abstract:
To evaluate the quality and simulate the discrimination of rubelite red, 310 rubelite red samples are measured by color i5 colorimeter, based on CIE 1976 L*a*b* uniform color space. Conclusions show that the hue angle of rubelite red can be classified into four series, such as red, pink, purple and violet, and the chroma can be divided into light, medium and intense, vivid with increasing quality, then its lightness can be graded into five levels as dark, slightly dark, medium, slightly bright and bright under standard light source D65. Take the three parameters and the cluster analysis of color coordinates, the rubelite red can be grade into five levels, and it is supposed to predict unknown samples furthermore.
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567-573
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February 2016
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© 2016 Trans Tech Publications Ltd. All Rights Reserved
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