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首页> 外文期刊>AATCC Review >The Effect of Texture on Perception and Measurement of Whiteness
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The Effect of Texture on Perception and Measurement of Whiteness

机译：纹理对白度感知和测量的影响

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摘要

A uniform white base is needed for textile substrate coloration and printing. Whiteness helps characterize bleaching and brightening process efficiency. The CIE whiteness index (CIE WI) of knitted samples, with different surface patterns prepared from scoured wool and bleached cotton yarns, was measured after wet processing. Woolen knit samples were bleached and brightened under identical optimized conditions. Cotton samples were identically brightened with an optimal amount of commercial fluorescent brightening agent (FBA). A panel of naive observers assessed the sample's perceptual whiteness. The least-textured surface was ranked as the whitest. However, the inter-observer variability in ranking samples of varying texture was significant. CIE WI values modestly correlated against visual assessments. Probability tools were used to predict and improve correlations among measured colorimetric properties and perceptual assessments.
机译：纺织品基材的着色和印刷需要均匀的白色基底。白度有助于表征漂白和增白过程的效率。在湿法处理后，测量了用精练羊毛和漂白棉纱制成的具有不同表面图案的针织样品的CIE白度指数（CIE WI）。在相同的优化条件下对羊毛针织样品进行漂白和增亮处理。用最适量的商业荧光增白剂（FBA）相同地增亮棉花样品。一组幼稚的观察者评估了样品的感知白度。质地最少的表面被列为最白的表面。但是，观察者之间在对不同纹理进行排序的样本中的变异性很明显。 CIE WI值与视觉评估适度相关。概率工具用于预测和改善测得的比色特性与感知评估之间的相关性。

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