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 46, Issue 2
Displaying 1-5 of 5 articles from this issue
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  • [title in Japanese]
    [in Japanese], [in Japanese], [in Japanese]
    2005 Volume 46 Issue 2 Pages 85-89
    Published: February 25, 2005
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.46.85
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    2005 Volume 46 Issue 2 Pages 90-98
    Published: February 25, 2005
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.46.90
    JOURNAL FREE ACCESS
    Download PDF (1863K)
  • [title in Japanese]
    [in Japanese]
    2005 Volume 46 Issue 2 Pages 99-104
    Published: February 25, 2005
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.46.99
    JOURNAL FREE ACCESS
    Download PDF (4367K)
  • An Evaluation of Visual Sensation on Classification of Lightfastness of Dyed Fabrics
    Akira IMAIZUMI, Kunio YOSHIZUMI, Tetsuya SATO
    2005 Volume 46 Issue 2 Pages 107-115
    Published: February 25, 2005
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.46.107
    JOURNAL FREE ACCESS
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    Photo fading characteristics were evaluated from the standpoints of physical color index, human sensation and specified fading index on dyed fabrics. Firstly, JIS blue scales were exposed to solar radiation, intensities of which were simultaneously measured on the basis of total UVA and UVB radiant energy. The relation of exponential law between color difference ΔEand radiant energy was not observed. For instance, the difference between the 3rd and 4th grades was relatively large compared with the other grades. The experiment using a Xenon lamp as a light source gave similar characteristic curves with some inconsistency due to UV rich in Xenon lamp radiation. Secondly, the evaluation of eye evaluation on JIS blue scales was made based on the use of gray scale standard fading judgement by 15 panels. The relation of exponential law between fading classification and radiant time was clearly observed under Xenon lamp radiation. Thirdly, Nc#index defined in JIS L 0809 was examined. The relation of exponential law between fading classification and Nc#index was also observed. Using this relation as calibration, fading classification of some dyed fabrics was made. The results were acceptable in the consistency with the evaluation of visual sensation based on the use of gray scale standard fading. It is concluded that Nc#index was a useful tool for fading classification.
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  • Comparison of Statically Draped Shapes by Using the Surface Curvature
    Hyeonjin LEE, Haruki IMAOKA
    2005 Volume 46 Issue 2 Pages 117-125
    Published: February 25, 2005
    Released on J-STAGE: September 30, 2010
    DOIhttps://doi.org/10.11419/senshoshi1960.46.117
    JOURNAL FREE ACCESS
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    The authors had already made regression equations for the hemline of a statically draped shape. In the next step, we were tried to generate a draped shape from the hemline. As the algorithm, a linear interpolation between the support stand and the hemline was used. As variables for comparing the generated shape with the original shape, the Gaussian curvature and mean curvature were used.
    The values of the two curvatures were converted to colors and mapped onto the draped shapes. Comparing the generated draped shape with the original shape, although the values of mean curvature showed good agreement, the values of Gaussian curvature showed poor agreement.
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