JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN

Online ISSN : 1349-838X
Print ISSN : 0019-2341
ISSN-L : 0019-2341

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Volume 93, Issue 12

Displaying 1-21 of 21 articles from this issue

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(No.1249)Illuminations at Facade and Terrace of Ao, a Commercial Facility with Energy-Saving Light Sources(Lighting Data Sheets)

Eiki Takeuchi

Article type: Article
2009 Volume 93 Issue 12 Pages 859-860
Published: December 01, 2009
Released on J-STAGE: June 26, 2025

DOIhttps://doi.org/10.2150/jieij.93.859

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(No.1250)Lighting of Koshihara Memorial Hall(Lighting Data Sheets)

Hiroshi Kitamura

Article type: Article
2009 Volume 93 Issue 12 Pages 861-862
Published: December 01, 2009
Released on J-STAGE: June 26, 2025

DOIhttps://doi.org/10.2150/jieij.93.861

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(No.265)Lighting of Asahiyama Memorial Park(Lighting Photograph)

Yuu Matsuki

Article type: Article
2009 Volume 93 Issue 12 Pages 863-
Published: December 01, 2009
Released on J-STAGE: June 26, 2025

DOIhttps://doi.org/10.2150/jieij.93.863

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[title in Japanese]

Article type: Appendix
2009 Volume 93 Issue 12 Pages 864-
Published: December 01, 2009
Released on J-STAGE: June 26, 2025

DOIhttps://doi.org/10.2150/jieij.93.864

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[title in Japanese]

Article type: Appendix
2009 Volume 93 Issue 12 Pages 865-
Published: December 01, 2009
Released on J-STAGE: June 26, 2025

DOIhttps://doi.org/10.2150/jieij.93.865

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[title in Japanese]

Article type: Appendix
2009 Volume 93 Issue 12 Pages 866-
Published: December 01, 2009
Released on J-STAGE: June 26, 2025

DOIhttps://doi.org/10.2150/jieij.93.866

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[title in Japanese]

Article type: Appendix
2009 Volume 93 Issue 12 Pages 867-
Published: December 01, 2009
Released on J-STAGE: June 26, 2025

DOIhttps://doi.org/10.2150/jieij.93.867

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[title in Japanese]

Article type: Appendix
2009 Volume 93 Issue 12 Pages 868-
Published: December 01, 2009
Released on J-STAGE: June 26, 2025

DOIhttps://doi.org/10.2150/jieij.93.868

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[title in Japanese]

Article type: Appendix
2009 Volume 93 Issue 12 Pages 869-870
Published: December 01, 2009
Released on J-STAGE: June 26, 2025

DOIhttps://doi.org/10.2150/jieij.93.869

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Think of Future Lighting Environments(<Special Issue>New Evaluation Methods for Lighting Environments)

Katsunori Okajima

Article type: Article
2009 Volume 93 Issue 12 Pages 872-874
Published: December 01, 2009
Released on J-STAGE: June 26, 2025

DOIhttps://doi.org/10.2150/jieij.93.872

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Futures of Evaluation Systems for the Luminous Environment(<Special Issue>New Evaluation Methods for Lighting Environments)

Yasuko Koga

Article type: Article
2009 Volume 93 Issue 12 Pages 875-878
Published: December 01, 2009
Released on J-STAGE: June 26, 2025

DOIhttps://doi.org/10.2150/jieij.93.875

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This report describes lighting researches and results for evaluation of performance of the building environment and quality of the luminous environment. At the early stage of developing evaluation methods for the building environment, emphases were put on improvement in the indoor amenity and little regard was paid for environmental loads. Increasing global environmental issues have led to comprehensive evaluation of the building environment from both aspects of the environmental quality and load. Visibility and visual comfort have been main research topics for evaluation of quality of the luminous environment. Future research would need a shift to effects of light on human mechanisms, beyond visibility and visual comfort, and new approaches to the study.

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Luminance Image Determinant of Appearance(<Special Issue>New Evaluation Methods for Lighting Environments)

Yoshiki Nakamura

Article type: Article
2009 Volume 93 Issue 12 Pages 879-884
Published: December 01, 2009
Released on J-STAGE: June 26, 2025

DOIhttps://doi.org/10.2150/jieij.93.879

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Assessment for luminous environment should base on appearance of things. To deal with appearance, we should analyze luminance images, and the analysis should base on the model of our visual system, which would be the multi-channel model. Therefore it would be better to adopt the contrast profile method, and to use wavelet transform for developing assessment system. The author introduces brightness image, color perception image, visibility image, and glare image for example.

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Evaluation of Space-Brightness Using Border Luminance of Color Appearance Mode(<Special Issue>New Evaluation Methods for Lighting Environments)

Hiroyuki Shinoda, Hideki Yamaguchi

Article type: Article
2009 Volume 93 Issue 12 Pages 885-891
Published: December 01, 2009
Released on J-STAGE: June 26, 2025

DOIhttps://doi.org/10.2150/jieij.93.885

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The border luminance of color appearance mode is introduced as a measure of space-brightness. Its theoretical backgrounds, protocol, experiments, characteristics, and problems are described. One of the approximate estimation of border luminance from luminance distribution, Feu, is also mentioned.

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Quantitative Evaluation of Visual Impressions for Lighting Environment(<Special Issue>New Evaluation Methods for Lighting Environments)

Taiichiro Ishida

Article type: Article
2009 Volume 93 Issue 12 Pages 892-896
Published: December 01, 2009
Released on J-STAGE: June 26, 2025

DOIhttps://doi.org/10.2150/jieij.93.892

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Lighting can produce various visual impressions of lit environments. Studies on the psychological aspects of lighting have revealed, in general, that our psychological evaluation for lit environments is composed of two major factors; brightness and activity. In this article, I reviewed recent our researches for exploring quantitative methods for estimating the sense of brightness and activity for lit environments based on the spatial luminance distribution.

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Discomfort Glare Evaluation(<Special Issue>New Evaluation Methods for Lighting Environments)

Toshie Iwata

Article type: Article
2009 Volume 93 Issue 12 Pages 897-901
Published: December 01, 2009
Released on J-STAGE: June 26, 2025

DOIhttps://doi.org/10.2150/jieij.93.897

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Discomfort glare form a large source/windows was described. Since PGSV in which the effect of background luminance decreases with the size of the source cannot predict glare caused by total-amount effect, the glare equation using average luminance should be used together with PGSV. Image by digital camera technology can help to find the border between the source and the background in actual spaces with complicated luminance distribution. Other parameters e.g. pre-adaptation luminance should be considered.

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Lighting Plan using the Metric of Space Brightness Considered Interior Refrectivity(<Special Issue>New Evaluation Methods for Lighting Environments)

Shinji Sawamura

Article type: Article
2009 Volume 93 Issue 12 Pages 902-906
Published: December 01, 2009
Released on J-STAGE: June 26, 2025

DOIhttps://doi.org/10.2150/jieij.93.902

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In general, the average illuminance calculation is used frequently for lighting planning; however, including perceived space brightness in the planning allows lighting design to take both perceived space brightness and visibility into account, which was difficult with the use of average illuminance only. This paper describes cases based on the prediction of the Feu value conducted during design time to the actual Feu measurement after spaces are completed, and reports the results of comparative studies based on the cases.

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Development of Space Brightness Index "Feu" and Application to Lighting Design(<Special Issue>New Evaluation Methods for Lighting Environments)

Wataru Iwai

Article type: Article
2009 Volume 93 Issue 12 Pages 907-912
Published: December 01, 2009
Released on J-STAGE: June 26, 2025

DOIhttps://doi.org/10.2150/jieij.93.907

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We focused our attention on the evaluation of space brightness based on the border luminance of color appearance mode developed by Shinoda & Yamaguchi and developed space brightness index "Feu". In this paper, we explain the technical content of "Feu" from the side of application to the lighting design, and introduce the case where "Feu" is actually applied to the Lighting design.

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Review of Design Examples Based on Brightness Evaluation(<Special Issue>New Evaluation Methods for Lighting Environments)

Katsuhiko Sakata

Article type: Article
2009 Volume 93 Issue 12 Pages 913-916
Published: December 01, 2009
Released on J-STAGE: June 26, 2025

DOIhttps://doi.org/10.2150/jieij.93.913

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This paper introduces an overview and the perceived brightness evaluation results of "Personal Blind" and "lighting control based on walker movement information", which is the lighting equipment/lighting control respectively utilizing perceived brightness evaluation. It also describes the important points to be noted in perceived brightness evaluation, and the efforts in future research of perceived brightness, which the author regards as his research topic.

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Advancement of "Physical" Evaluation and Introduction of "Psycho-Physiological" Evaluation of Light Environments(<Special Issue>New Evaluation Methods for Lighting Environments)

Takuro Kikuchi, Tomohiro Kuroki

Article type: Article
2009 Volume 93 Issue 12 Pages 917-921
Published: December 01, 2009
Released on J-STAGE: June 26, 2025

DOIhttps://doi.org/10.2150/jieij.93.917

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This paper introduces two cases where a new light environment evaluation method was applied. The first case is an indoor luminance distribution prediction conducted with all-weather sky luminance distribution model during the design phase to evaluate the light environment under conditions which could not be covered with conventional sky model. The second case is a subject experiment using a method to evaluate the physiological and mental effects of light environments on humans. The results suggest that these methods play key roles in light environment evaluation.

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Case Study of Lighting Estimation with QUAPIX(<Special Issue>New Evaluation Methods for Lighting Environments)

Daisuke Morishita

Article type: Article
2009 Volume 93 Issue 12 Pages 922-926
Published: December 01, 2009
Released on J-STAGE: June 26, 2025

DOIhttps://doi.org/10.2150/jieij.93.922

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Our company developed a light environment evaluation system called QUAPIX. This system allows us to generate three types of visual psychology images through image processing of a luminance distribution image: a brightness image, a conspicuousness image, and a visibility image. This report describes eight instances of evaluation including a real space using QUAPIX. This system enables an entire present state analysis based on the amount of visual psychology, proposals for improvement, and the qualia prediction for planned facilities when used together with rendering software.

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Exploration into Phenomena of Light and Electricity : Hachioji Science Dome (Science Center)(Hint for Delightful Lighting)

Masahiro Ichikawa

Article type: Article
2009 Volume 93 Issue 12 Pages 927-928
Published: December 01, 2009
Released on J-STAGE: June 26, 2025

DOIhttps://doi.org/10.2150/jieij.93.927

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