Journal of The Society of Photographic Science and Technology of Japan
Online ISSN : 1884-5932
Print ISSN : 0369-5662
ISSN-L : 0369-5662
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Volume 73, Issue 4
Displaying 1-4 of 4 articles from this issue
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Special Topics: Photography For Advanced Amateur Photographers: Practical Use of Photography Certification Test
  • Photo Master Authorization in Seventh Anniversary
    Yasunori Ichikawa
    2010 Volume 73 Issue 4 Pages 201-206
    Published: 2010
    Released on J-STAGE: January 31, 2012
    DOIhttps://doi.org/10.11454/photogrst.73.201
    JOURNAL FREE ACCESS
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    In 2004, "Photo Master Authorization" has been launched to certify the practical knowledge and expertise in imaging and cameras of the general public. Over 32,000 people applied from the beginning to the seventh examination carried out in 2009. We will introduce below the certificate system and its influence over the imaging systems in a transition period from silver-halide to digital technologies, and detail the examination focusing on how to set questions in purpose of extracting practical and useful knowledge from the wide variety of, but generally not-well-arranged information of the applicants.
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  • A way to the Photo Master Expert
    Toshihiko Inagaki
    2010 Volume 73 Issue 4 Pages 207-210
    Published: 2010
    Released on J-STAGE: January 31, 2012
    DOIhttps://doi.org/10.11454/photogrst.73.207
    JOURNAL FREE ACCESS
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    After the author presided over the photographer's group for 15 years or more, the author met with the Photo Master certificate examination. And the author took the certificate examination, and was authorized as a Photo Master Expert in 2005. In this report, the outline how photographic technology has been mastered in order to adapt the photographer's group to the great change of photography from film to digital and how the contents of the activity of a photographer's group have changed is described. And the progress which took the Photo Master certificate examination as a good opportunity to prove the achievement level of those activities is described. And as a photographic activity after Photo Master Expert authorization, the shooting method of mural painting in the royal tomb of Amenophis III is described.
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Lecture
Original paper
  • Development of Laser Labeling Technology for Digital Versatile Disc (DVD) (I) —System Construction—
    Hiroshi Kubo, Seiya Yamada, Hisanori Itoga, Kazuya Mushikabe, Tatsuo F ...
    2010 Volume 73 Issue 4 Pages 218-226
    Published: 2010
    Released on J-STAGE: January 31, 2012
    DOIhttps://doi.org/10.11454/photogrst.73.218
    JOURNAL FREE ACCESS
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    A new laser labeling technology, "LabelflashTM (LF)", was developed. This technology consists of drawing label images, by using a recording head of a DVD drive, on a dye layer for labeling placed 0.6 mm under the surface of the label side of a disk. Changing the reflectance of the irradiated part of the dye layer made a label image. Focusing an intensity modulated laser beam on the dye layer induced decomposition of the dye, causing a reduction in extinction coefficient and an increase in reflectance. Different from conventional methods for drawing a picture on a surface of a disc, the present method for drawing label images inside of a disc guarantees the fastness and quality of the label images as well as a low-cost and high-speed production. In this report, newly develped other elements of LF, including hardware, software, media and evaluation technologies, are described.
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