MEASURING MASS UNIFORMITY DISTRIBUTION IN NONWOVEN STRUCTURES USING IMAGE ANALYSIS

机译：用图像分析法测量非织造结构中的质量均匀分布

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Statistical measures have been developed for quality control as well as characterization of massrndistribution in fibrous substrates. The mass distribution in 2D space has been measured byrnimaging the substrate. The intensity distribution of reflected/transmitted light has been used as arnrepresentative of the mass distribution. Spatial mass uniformity has been measured in terms of arnstandardized index of dispersion and mass anisotropy ratio that are reasonably independent ofrnfiber mass density. The dispersion index is standardized between the limits of -1 and +1, with -1rnrepresenting uniform distribution and +1 representing aggregated distribution. Furthermore, thernstandardized values have been combined with the qualitative grades to categorize andrndifferentiate uniform patterns. Standardized index of dispersion and mass anisotropy ratio havernbeen evaluated for a wide range of nonwoven webs and adhesive lay down patterns.

机译：已经开发了用于质量控制以及表征纤维基质中质量分布的统计方法。二维空间中的质量分布是通过对基板成像来测量的。反射/透射光的强度分布已被用作质量分布的代表。空间质量均匀性已根据色散的arnstandardized指数和质量各向异性比率进行了测量，而合理地与纤维质量密度无关。色散指数在-1和+1的极限之间标准化，-1rn表示均匀分布，+ 1表示聚合分布。此外，将标准化值与定性等级相结合，以对统一模式进行分类和区分。已经针对各种非织造纤维网和粘合剂铺放图案评估了标准化的分散指数和质量各向异性比率。

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来源
《International nonwovens technical conference》|2002年|p.1-12|共12页
会议地点 Atlanta GA(US);Atlanta GA(US);Atlanta GA(US)
作者
Rajeev Chhabra;
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作者单位

Scientist, The Procter Gamble Company, Cincinnati, Ohio, USA;

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原文格式 PDF
正文语种 eng
中图分类无梭织布工艺;
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MEASURING MASS UNIFORMITY DISTRIBUTION IN NONWOVEN STRUCTURES USING IMAGE ANALYSIS

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