Kyushu University [Yasuko Koga (Associate Professor) Faculty of Human-Environment Studies, Department of Architecture and Urban Design]

Department of Architecture
Graduate School of Human-Environment Studies

Department of Architecture
School of Engineering

Doctor of Engineering

Architectural Environmental Engineering

Japanese member of Division 3 "Interior Environment and Lighting Design", CIE (Commission Internationale de l'Eclairage) since 1999. Involved in standardization of various lighting requirements especially for indoor lighting. Member of several CIE committees: TC3-25 "Coordination and Development of the IDMP and its Data", TC3-36 "Use of Satellite Images to Derive Daylight Data", TC3-39 "Discomfort Glare from Daylight in Buildings", TC3-42 "Lighting Design and Applications", the reporter R3-13 "Lighting Vocabulary", and a memeber of "Interdivisional Harmonizing Committee for International Lighting Vocabulary". Involved in revision of the International Lighting Vocabulary by CIE, revision of the Lighting Vocabulary and publication of the Lighting Design Vocabulary by Japanese Illuminating Engineering Institute. Japanese member of SHC Task 31 "Daylighting Buildings in 21st Century", IEA (Internationl Energy Agency) for developing a new sky model and daylighting design tools (Duration: 2001-2005). Japanese member of ISO TC205 "Building Environment Design", especially involved in WG7 "Indoor Visual Environment" since 2008.

Research Interests

Non-image-forming visual functions and physiological effects of light
keyword : ipRGC, cone, rod, retinal ganglion cell, circadian rhythm, photoentrainment, health, well-being, luminous environment
2007.11.
EBD of healthcare buildings - Luminous environment design for supporting health of medical staff
keyword : EBD, healthcare building, hospital, health, luminous environment, circadian rhythm
2007.10.
Comprehensive evaluation system on luminous environment in buildings
keyword : luminous environment, visual environment, environmental load, evaluation, office
2006.04.
Development of a visual optical model of glare sensation
keyword : discomfort glare, disability glare, daylighting, electric lighting
2007.09～2008.05.
Luminous environment design for maintaining good biological rhythms
keyword : biological rhythm, lighting design
2006.04～2007.09.
Evaluation of discomfort glare from daylight
keyword : daylight, discomfort glare, indoor lighting, luminance distribution
2002.04～2007.03.
Strategies for construction of safe and secure streets at night
keyword : street, lighting, crime prevention, security, safety
2001.04～2007.03.

Academic Activities

Books

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1.	Commission Internationale de l'Eclairage,CIE S 017/E:2011 - ILV: International Lighting Vocabulary,Commission Internationale de l'Eclairage,2011.08.
2.	Commission Internationale de l'Eclairage,CIE DS 017.3/E:2011 - ILV: International Lighting Vocabulary,Commission Internationale de l'Eclairage,2011.03.
3.	Commission Internationale de l'Eclairage,CIE DS 017.2/E:2009 - ILV: International Lighting Vocabulary,Commission Internationale de l'Eclairage,2009.12.
4.	Lighting Handbook (Compact Version).
5.	Control of Damage to Museum Objects by Optical Radiation.
6.	CIE TC3-33 (I. Ashdown, L. Bedocs, W. Carroll, J. De Boer, P. Dehoff, M. Donn, H. Erhorn, L. Escaffre, M. Fontoynont, P. Greenup, M. Hirata, M. Jongewaard, Y. Koga, J. Koster, E. Lillelien, F. Maamari, J. Mardaljevic, R. Mitanchey, S. Pezzana, A. Slater, A. Stockmar, A. Tsangrassoulis, Y. Uetani, L. Zonneveldt),CIE 171:2006: Test Cases to Assess the Accuracy of Lighting Computer Programs,Commission Internationale de l'Eclairage,2005.03.
7.	Lighting Handbook.
8.	CIE TC3-15 (Y. Uetani, S. Aydinli, A. Joukoff, J.D. Kendrick, R. Kittler, Y. Koga, K. Matsuura, T. Nagata, H. Nakamura, M. Oki, R. Perez, P.R. Tregenza),CIE S 011:2003: Spatial Distribution of Daylight - CIE Standard General Sky,Commission Internationale de l'Eclairage.
9.	CIE Standard: Lighting of Indoor Work Places.

Reports

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1.	Division 3: Interior Environment and Lighting Design - Future directions in revision of the lighting standard for indoor work places.
2.	Future Prospect of Activities in JCIE/CIE Division 3.
3.	Exposition of Terms on Lighting Design.
4.	Supervisor Committee of Study on Luminous Environment at Present and in Future.
5.	Report on the Divison 3 Meeting in Berlin.
6.	The Current of Research on Daylighting.
7.	Report on the Division 3 Meeting in Dublin.
8.	Report on the CIE Division Meeting in San Diego.
9.	Report on the Meeting of Division 3 in Ottawa.
10.	The Present State and Challenges of Lighting Education in Architectural Studies.
11.	Report on the Meeting of Division 3 in Raykjavik.
12.	Report on the 5th JCIE Seminar "CIE/ISO Interior Lighting Standards and Lighting Design".
13.	Report on the Meeting of Division 3 in York.
14.	CIE Warsaw Session: Report on the Division 3 Meeting.
15.	CIE Draft Standard: Lighting of Indoor Work Places.
16.	Technological Trends Concerning Utilization of Daylight.
17.	Report on the Meeting of Division 3 in Ottawa.
18.	Report on the International Daylight Conference '98.
19.	Report on the Meeting of Division 3 in Durban.
20.	Daylighting from the Past.

Papers

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1.	Yasuko Koga, Yasuhiro Miki,A Review of Historical Changes in Japanese Regulations and Standards for Sunlight and Daylighting,CIE Centenary Conference "Towards a New Century of Light",2013.04.
2.	Y. Koga, M. Takao, T. Murata, N. Ide, I. Mikuriya, G. Yamashita,A Pilot Experiment on Spectral Response Sensitivity of the Suprachiasmatic Nucleus (the Chief Circadian Pacemaker),27th Session of the CIE,Vol.Vol.1,No.Part 1,2011.07.
3.	Y. Miki, Y. Koga, E. Mochizuki, T. Iwata, Y. Kojima, M. Fujino, T. Kotani, A. Mori, T. Yagi,Development of a Comprehensive Evaluation System for Lighting Environment Efficiency,CIE 2010 "Lighting Quality and Energy Efficiency",2010.03.
4.	Y. Koga, T. Iwata, N. Ide,An Approach to Evidence-Based Design of The Luminous Environment in Hospitals - Surveys on nurses' work and sleep,CIE 2010 "Lighting Quality and Energy Efficiency",2010.03.
5.	Yasuko Koga, Motoharu Takao,Light Response Properties of Intrinsically Photosensitive Retinal Ganglion Cells in Non-Image-Forming Vision,Light and Lighting 2009,2009.05.
6.	Y. Ogiuchi, K. Satozaki, Y. Koga,Environmental Brightness Estimation for Asymmetrically Illuminated Space,26th Session of the CIE,Vol2, pp.D3-213 - D3-216,2007.07.
7.	K. Wonwoo, Y. Koga, I. Shin,Evaluation of Discomfort Glare from Daylight,26th Session of the CIE,Vol.2, D3-170 - D3-173,2007.07.
8.	Yasuko Koga, Masayasu Hara,Application of All Sky Model to RADIANCE simulation program,LUX EUROPA 2005,2005.09.
9.	Position Index for a Glare Source in the Whole Visual Field.
10.	Yasuko Koga, Kazuhiko Kozakura, Yusuke Ogata,Evaluation of Non-uniform Luminous Environment by Image Analysis,The 25th Session of CIE,Vol.2, pp.D3170-D3173,2003.06.
11.	Yasuko Koga, Ryusuke Tanaka, Daigo Shibata,Evaluation Structure on Night Streets: A case study in Fukuoka,The 25th CIE Session,Vol.2, pp.D542-D5545,2003.06.
12.	Glare Constant at Various Positions in the Visual Field.
13.	Prediction of Daylit Environment with Skylights: Daylighting calculation method with Mean Sky (Part 3).
14.	Mathematical Expression of Mean Sky in Japan Daylighting calculation method with Mean Sky (Part 1).
15.	Yasuko Koga, Ken Anai, Hiroshi Nakamura,Cloud Amount and Daylight Availability,Balkan light '99,pp.124-129,1999.10.
16.	Dominique Dumortier, Yasuko Koga,Status of the International Daylight Measurement Programme (IDMP) and its Web Server (http://idmp.entpe.fr),CIE 24th Session, Warsaw,Vol.1, Part 1, pp.282-286,1999.06.
17.	Ken Anai, Yasuko Koga, Hiroshi Nakamura, Koichi Goto, Masahiro Shinozaki,A Study on the Ratio of Sky Luminance to Sky Radiance,CIE 24th Session, Warsaw,Vol.1, Part 2, pp.20-22,1999.06.
18.	Yasuko Koga, Ken Anai, Hiroshi Nakamura, Tomoko Matsuzawa,A Sky Scanner for Cloud Amount Measurement,CIE 24th Session, Warsaw,Vol.1, Part 2, pp.53-55,1999.06.
19.	Yasuko Koga, Hiroshi Nakamura, Kunio Matsuura,Daylighting Codes, Standards and Policies Mainly in Japan,Daylighting '98,pp.279-286,1998.05.
20.	Yasuko Koga, Hiroshi Nakamura, Koichi Goto, Shin'ya Kojo, Jong-ho Seo,Distribution of the Relative Yearly Mean Sky Radiance,LUX PACIFICA '97,pp.E36-E40,1997.10.
21.	Yasuko Koga, Hiroshi Nakamura, Jong-ho Seo, Takashi Asai, Shin'ya Kojo,Automatic Clud Amount Measurement,3rd SAAC Lighting Conference in Nepal,pp.146-152,1996.11.
22.	Yasuko Koga, Hiroshi Nakamura, Satoshi Sata, Ken Anai,A Basic Study on Automatic Measurement of Cloud Cover,CIE 23rd Session, New Delhi,Vol.1, pp.196-199,1995.11.
23.	Yasuko Koga, Hiroshi Nakamura, Muhammad Ramli Rahim,Daylight and Solar Radiation Data in Ujung Pandang, Indonesia,2nd LUX PACIFICA,pp.C85-C90,1993.11.
24.	Yasuko Koga, Hiroshi Nakamura, Masato Oki, Tomoko Matsuzawa, Muhammad Ramli Rahim,Study on Luminous Efficacy: The relation to cloud ratio,LUX EUROPA 1993,pp.799-803,1993.04.
25.	Yasuko Koga, Hiroshi Nakamura, Toru Otsuru,Prediction of Illuminance Distribution in Interiors under Skylights,CIE 22nd Session,Vol.1, Part 1, pp.120-121 (Division 3),1991.07.

Presentations

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1.	A Case Study on Luminous Environment in Work Places and Workers' Sleep Quality.
2.	A Preliminary Study on Illuminated Environment and Visual Task Performance.
3.	Basic Studies in Non-Image-Forming Vision - Part 2. Photosensitivity of suprachiasmatic nucleus in mice.
4.	Basic Studies in Non-Image-Forming Vision - Part 1. Photoreceptors and their spectral sensitivities.
5.	Spectral Sensitivity of Non-Image-Forming Vision - Photosensitivity of the biological clock in mice.
6.	Non-Image-Forming Vision and Its Photoreceptors.
7.	International Research Activities on Lighting and Health.
8.	Effect of the Media of the Stimuli on Visual Impression of Landscape.
9.	Psychological Evaluation Model Toward Townscape of Low-Stage Resident.
10.	Fear of Crime and Incidence of Crime on Streets at Night.
11.	Current of Inernational Research Works on Dyalighting in Buildings.
12.	Assessment of Discomfort Glare from Large Sources - Effect of background luminance.
13.	Luminance Measurement Using Digital Cameras and Its Storage Form.
14.	Performance of All Sky Model and Its Application to Daylighting Calculation.
15.	Effects of Reflection of Direct Sunlight on Daylight Factor.
16.	Current Direction in Secutiry Lighting.
17.	Construction of Secure Night Streets Part 2. Checklists for making secure night streets.
18.	Construction of Secure Night Streets Part 1. Assessment of impressions according to the type of street.
19.	Assessment of Discomfort Glare from Large Sources - Definition of the large source.
20.	Indexes of Luminance Distributions in Illuminated Space Part 2. Evaluation of impressions on illuminated space.
21.	Indexes of Luminance Distributions in Illuminated Space Part 1. Proposal of the indexes.
22.	Sky Radiance and Luminance Distributions.
23.	Factors in Evaluation of Night Streets Part 2. Analysis of the elements and impressions.
24.	Factors in Evaluation of Night Streets Part 1. Elements in evaluation and impressions.
25.	Performance of Luminance Measurement Using Digital Cameras.
26.	Evaluation of Discomfort Glare from Windows Part 1. Glare constant at various positions in the visual field.
27.	Evaluation of Discomfort Glare from Windows Part 2. A new glare constant formula considering the source position.
28.	Application of All Sky Model to Daylighting Simulation.
29.	A New Evaluation System on Non-Uniform Luminous Environments Part 1. Proposal of an evaluation index based on brightness.
30.	A New Evaluation System on Non-Uniform Luminous Environments Part 2. Proposal of a dual measure of evaluation.
31.	Presentation Methods for Evaluation Experiments on Night Towns A comparison between evaluation using photographs and on-the-spot evaluation.
32.	Dual Evaluation of Non-Uniform Luminous Environments.
33.	Daylighting Simulation Using All Sky Model.
34.	Classification of Sky Radiance Distribution for Comparison of All Sky Model.
35.	Composition of Evaluation on Night Towns - A case study on Tenjin-district in Fukuoka.
36.	Eye-Fixation Characterictics of the Elderly in Staircases.
37.	Evaluation Structure on Night Towns - A case study on Tenjin-district in Fukuoka.
38.	A New Index for Evaluation of Non-Uniform Luminous Environments.
39.	Classification Index for All Sky Model of Sky Radiance Distribution.
40.	Eye-Fixation Characteristics of the Elderly for Ascent and Descent in Stairecases.

Membership in Academic Society

Committee Internationale de l'Eclairage
Japanese Committee of CIE
Architectural Institute of Japan
Illuminating Engineering Institute
Japanese Society for Chronobiology

Educational Activities

"Advanced Architectural Lighting", "Seminar on Building Environmental Design and Control" and "Doctoral Studies in Architectural Lighting" at School of Human-Environment Studies.
"Introduction to Architectural Environment", "Luminous Environment in Architecture", "Design Studio on Environmental Design in Architecture", "Introduction to Researches in Architecture", "Graduate Thesis Research in Architecture" at Faculty of Engineering.

Professional and Outreach Activities

Associate Director of Division 3 of the CIE (Commission Internationale de l'Eclairage), Chair of CIE TC3-53, Expert member of ISO TC163/SC2/WG14, Expert member of ISO TC163/WG4, Expert member of ISO TC205/WG7