JOURNAL of the JAPAN RESEARCH ASSOCIATION for TEXTILE END-USES
Online ISSN : 1884-6599
Print ISSN : 0037-2072
ISSN-L : 0037-2072
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Volume 61, Issue 8
Displaying 1-13 of 13 articles from this issue
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  • Visual Features of Colored Patterns of Cotton, Silk and Wool Fabrics and Distinction of Fiber Materials Based on Mechanical Learning
    Toshio MORI, Mayumi ASANOMI
    2020 Volume 61 Issue 8 Pages 616-623
    Published: August 25, 2020
    Released on J-STAGE: August 25, 2020
    DOIhttps://doi.org/10.11419/senshoshi.61.8_616
    JOURNAL FREE ACCESS
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    Color feature analysis was applied to evaluate visual features of cotton, silk and wool fabrics with various colors and patterns by using CIELAB color space. Color measurements of these fabrics were done with a commercially available color scanner. L*, a*, b*, C* and h of CIE color system were obtained for each pixel (i, j) in the image. Mean values for L*, C* and h of all pixels (AVE-L*, AVE-a*, AVE-b*, AVE-C* and AVE-h) were obtained as color information parameters. The angular second moment (ASM), contrast (CON), correlation (COR) and entropy (ENT) statistically extracted from distributions of L* for each fabric, were measured as shape information parameters. The visual features were discussed in the relation to similar and different properties of colored patterns. Furthermore, the high performance neuron training algorithm using mechanical learning was introduced to tune the network to maximize accuracy of the description of the visual evaluation system. This feedforward neural network training algorithm gives much better results. The trained feedforward neural network model was successfully implemented to show the feasibility of neural network applications for distinction of fiber materials using colored patterns of fabrics.

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  • Preparation of Composite Fabrics by Water Jet Method
    Hitomi HAMADA
    2020 Volume 61 Issue 8 Pages 624-630
    Published: August 25, 2020
    Released on J-STAGE: August 25, 2020
    DOIhttps://doi.org/10.11419/senshoshi.61.8_624
    JOURNAL FREE ACCESS
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    This research aims to create new composite fabrics with unique characteristics and texture by combining nonwovens with knitted fabrics using water jet method. The water jet method is a technique used to produce nonwovens and combine nonwovens; however, there are no reports on combining nonwovens with knitted fabrics for clothing. This study aims to create new composite fabrics by combining rayon nonwovens with cotton knitted fabrics using water jet method. The prepared composite fabrics showed stiffness, although its elongation was retained. Additionally, the fabric displayed a smooth surface and hygroscopicity owing to the hydrophilic rayon fibers, and the washing durability was improved by adding vinylon binders into nonwovens. Children’s clothing was created using the composite fabrics prepared by combining patterned nonwovens.

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