Technical Committees

The technical activities of CIE are carried out under the responsibility of seven Divisions each covering one sector of light and lighting. Each Division establishes Technical Committees (TCs) to carry out the technical programme of the Division. All present TCs are listed here with their terms of reference. (For more details of a particular TC go to the relevant Division).

Division 1:

TC 1-27: Specification of Colour Appearance for Reflective Media and Self-Luminous Display Comparisons To study and make recommendations for the specification of a colour appearance match between a reflective image and a self-luminous display image. Chair: Paula J. Alessi (US)

TC 1-36: Fundamental Chromaticity Diagram with Physiologically Significant Axes Establish a chromaticity diagram of which the coordinates correspond to physiologically significant axes. Chair: Francoise Germaine Viénot (FR)

TC 1-37: Supplementary System of Photometry To establish a system of photometry to assess lights in terms of their comparative brightness relationship. Chair: Ken Sagawa (JP)

TC 1-41: Extension of VM(lambda) beyond 830 nm To write a report on the feasibility of extending the VM(lambda) function beyond 830 nm and the possible amendment of VM(lambda) on the long wavelength side. Chair: Pieter L. Walraven (NL)

TC 1-42: Colour Appearance in Peripheral Vision To prepare a technical report on colour appearance zones for coloured lights in terms of unique hues in peripheral vision. Chair: Miyoshi Ayama (JP)

TC 1-44: Practical Daylight Sources for Colorimetry 1.) To intercompare existing daylight sources for colour measuring instruments and colour matching booths. 2.) On the basis of this intercomparison, to recommend practical methods for simulating daylight illuminants. Chair: Robert Hirschler (HU)

TC 1-54: Age-related Change of Visual Response To establish spectral luminous efficiency, visual acuity, and contrast sensitivity as a function of age. Chair: Ken Sagawa (JP)

TC 1-55: Uniform Colour Space for Industrial Colour Difference Evaluation To derive a new uniform colour space for industrial colour difference evaluation using existing experimental data. Chair: Manuel Melgosa (ES)

TC 1-57: Standards in Colorimetry To prepare an ISO/CIE Standard(s) that describes 1.) the method of calculating CIE tristimulus values and chromaticity coordinates, 2.) a uniform colour space and its associated metrics, and 3.) a formula for industrial colour difference evaluation. Chair: Alan Robertson (CA). (This TC is working on a standard.)

TC 1-58: Visual Performance in the Mesopic Range To define mesopic visual performance and related terms. To investigate performance based photometry in the luminance region below approximately 10 cd/m2. To propose a model for the basis of performance based mesopic photometry. Chair: Liisa Halonen (FI)

TC 1-60: Contrast Sensitivity Function for Detection and Discrimination 1.) To specify a baseline achromatic CSF with its reference conditions and reference observer. 2.) To specify CSF extensions based on discrimination thresholds, as well as chromatic CSFs for both detection and discrimination. Chair: Eugenio Martinez-Uriegas (US)

TC 1-61: Categorical Colour Identification To prepare a report describing a colour categorization map for the photopic and mesopic illuminance levels. Chair: Taiichiro Ishida (JP)

TC 1-63: Validity of the Range of CIE DE2000 To investigate the application of the CIE DE2000 equation at threshold, up to CIELAB colour differences greater than 5. Chair: Klaus Richter (DE)

TC 1-64: Terminology for Vision, Colour and Appearance To monitor the terminology requirement of Division 1 including the revision of the present ILV terms and the addition of new terms. Chair: Sharon McFadden (CA)

TC 1-67: The Effects of Dynamic and Stereo Visual Images on Human Health To write a technical report on the physiological and psychophysical effects of dynamic and stereo visual images in terms of photosensitive seizures, visually induced motion sickness and eyestrain. Chair: Hiroyasu Ujike (JP)

TC 1-68: Effect of Stimulus Size on Colour Appearance To compare the colour of small (<2 degree) and large (>20 degree) uniform stimuli on a neutral background. Chair: Peter Bodrogi (HU).

TC 1-69: Colour Rendering of White Light Sources: To prepare a CIE Technical Report on recommended new metric (or system of metrics), including calculation procedures and justification for recommendation.Chair: Wendy Davis (US).

TC 1-70: Metameric Samples for Indoor Daylight Evaluation To investigate the derivation of a set of metameric samples to enable the evaluation of indoor daylight simulators. Chair: Balász Kranicz (HU)

TC 1-71: Tristimulus Integration To investigate methods for computing weighting tables for the calculation of tristimulus values from abridged data. Chair: Changjun Li (CN)

TC 1-72: Measurement of Appearance Network: MApNet 1.) To establish a network of those interested in the measurement of visual appearance. 2.) The network shall be under the direction and guidance of a group of at least four Technical Leaders each responsible for a particular aspect of the subject. 3.) Each Technical Leader shall provide substantial periodic reports in a form that might be published. 4.) A second Expert Symposium on Appearance shall be organized at an appropriate time within the next 4 years. 5.) A database of relevant published work shall be maintained. 6.) Consideration shall be given to the establishment of separate Technical Committees when appropriate. Chair: Michael Pointer (GB)

TC 1-73: Real Colour Gamut To recommend a gamut representative of real (non-fluorescent) surface colours and defined by associated spectral reflectance data. Chair: Changjun Li (CN)

TC 1-74: Methods for Re-defining CIE D illuminants To investigate the issue of smoothing the values of the D illuminants such as described in CIE 15:2004 Appendix C and to propose the calculation methods for new definitions of the D Illuminants. Chair: J. Schanda (HU)

TC 1-75: A Comprehensive Model of Colour Appearance To derive colour appearance models that include prediction of the appearance of coloured stimuli viewed in typical laboratory conditions: that appear as unrelated colours that are viewed under illumination down to scotopic levels that include consideration of varying size of stimulus Chair: M Ronnier Luo (GB)

TC 1-76: Unique Hue Data To study and report on unique hue data, including an analysis of the scatter of those data: this to include practical viewing conditions. Chair: Sophie Wuerger (GB)

TC 1-77: Improvement of the CIE Whiteness and Tint Equations To recommend improvements or modifications to the existing CIE Equations for Whiteness and Tint to extend their scope of application to a wider range of instrument conditions and white materials; e.g. various tints and levels of fluorescence. Chair: Robert Hirschler (HU)

TC 1-78: Evaluation of Visual Performance in the Real Lit Environment To investigate and report on current research on visual performance that relates to psycho-physical and physiological measurements in the real lit environment, and to produce a plan for future work. Chair: Monica Billger (SE)

TC 1-79: Limits of Normal Colour Vision 1. To document the correlation between performance on colour matching, colour discrimination, colour naming, and colour deficiency tests and factors such as variation in the peak spectral sensitivity of the M and L cones, density of the lens, density of macular pigment, variation in the optical density of the cones, L to M cone ratio, rod intrusion, illumination level, stimulus size, gender, stimulus duration and identify any substantive gaps in the existing literature. 2. Using the above database, develop a model or models that will allow the prediction of the effect of the above factors on colour discrimination, colour matching, and colour naming performance. Chair: John Barbur (GB)

Division 2:

TC 2-17: Recommendation for Integrated Irradiance and Spectral Distribution of Simulated Solar Radiation Revise and update CIE 20-1972. Chair: Gene Zerlaut (US)

TC 2-19: Measurement of the Spectral Coefficient of Retroreflection To identify the critical measurement parameters, tolerances, and requirements for, and conduct an international intercomparison of, the spectral coefficient of retroreflection. Chair: Norbert Johnson (US)

TC 2-28: Methods of Characterizing Spectrophotometers Write a CIE report on the characterization of spectrophotometers by means of reference materials and other methods, with particular reference to linearity, wavelength error, stray light, and integrating sphere errors. Chair: Teresa Goodman (GB)

TC 2-29: Measurement of Detector Linearity Prepare a CIE guide on methods for the characterization of the linearity of detectors of optical radiation, including different principles by which the linearity of detectors can be determined and causes of non-linear behaviour, to aid users of optical radiation detectors in the selection and use suitable devices for specific applications. Chair: Thomas Larason (US)

TC 2-32: Measuring Retroreflectance of Wet Horizontal Road Markings To prepare a guide for the methods of measuring coefficient of retroreflected luminance (specific luminance) of horizontal road markings under wet weather conditions. Chair: Norbert Johnson (US)

TC 2-37: Photometry using Detectors as Transfer Standards To prepare a report on the properties of V(lambda)-corrected detectors that are suitable for disseminating and maintaining photometric units. This report will include methods for the use of these detectors. Chair: Yoshi Ohno (US)

TC 2-40: Characterizing the Performance of Illuminance and Luminance Meters Convert the presentTechnical Report CIE 69-1987 into an ISO/IEC Standard. Prepare a combined CIE/ISO standard describing the definitions of quantities influencing the performance of illuminance and luminance meters, as well as defining measurement procedures for the individual error quantities. Chair: Peter Blattner (CH) (This TC is working on a standard.)

TC 2-43: Determination of Measurement Uncertainties in Photometry To prepare a CIE recommendation as basis for the determination of measurement uncertainties valid for most of the quantities used in photometry. Chair: Georg Sauter (DE)

TC 2-44: Vocabulary Matters To provide liaison between Div.2 and TC 7-06 "Lighting Terminology" and support the preparation of the new edition of the Lighting Vocabulary in the field of light and colour measurements. Chair: Jim Gardner (AU) (This TC is working on a standard.)

TC 2-46: CIE/ISO Standards on LED Intensity Measurements To prepare a CIE/ISO Standard on the measurement of LED intensity measurements based on CIE 127:2007. Chair: John Scarangello (US) (This TC is working on a standard.)

TC 2-47: Characterization and Calibration Methods of UV Radiometers To prepare a CIE recommendation on methods of characterization and calibration of broad-band UV radiometers in the spectral ranges of UVA and UVB for industrial applications. Chair: Armin Sperling (DE)

TC 2-48: Spectral Responsivity Measurement of Detectors, Radiometers and Photometers To rewrite the Technical Report CIE 64-1984 "Determination of the spectral responsivity of optical radiation detectors" to update device and measurement technology, and include the spectral irradiance responsivity measurement for radiometers and photometers from UV to near IR. Chair: George Eppeldauer (US)

TC 2-49: Photometry of Flashing Light To produce a CIE recommendation for measurement of effective intensity of flashing light. Chair: Yoshi Ohno (US)

TC 2-50: Measurement of the Optical Properties of LED Clusters and Arrays To produce a technical report for the measurement of optical properties of LED assemblies. Chair: Richard Distl (DE)

TC 2-51: The Calibration of Multi-Channel Spectrometers To produce a technical report for the calibration of detectorarray spectroradiometers primarily for the determination of colorimetric and photometric quantities, including performance characteristics, calibration methods and guidance in the applications of methods for the determination of uncertainty. Chair: Richard Austin (US)

TC 2-53: Multi-Geometry Colour Mesurements of Effect Materials To write recommendations for the colour measurement of effect materials. Chair: Gerhard Rösler (DE)

TC 2-56: CIE/ISO Standard on Retroreflection measurements To prepare a CIE/ISO standard on the measurement of retroreflective materials based onPublication CIE 54.2-2001. Chair: Cameron Miller (US) (This TC is working on a standard.)

TC 2-57: Revision of CIE S 014-2 To revise CIE Standard S 014-2 (CIE Standard Illuminants) to include Illuminant D50. Chair: Alan Robertson (CA) (This TC is working on a standard.)

TC 2-58: Measurement of LED Radiance and Luminance To prepare a CIE Technical Report recommending measurement methods for the luminance and radiance of LEDs, taking particular account of the specific requirements of relevant photobiological safety standards. Chair: Kohtaro Kohmoto (JP)

TC 2-59: Characterisation of Imaging Luminance Measurement Devices To prepare a Technical Report on methods for the characterisation of imaging luminance measurement devices. Chair: Udo Krueger(DE)

TC 2-60: Effect of Instrumental Bandpass Function and Measurement Interval on Spectral Quantities To prepare a Technical Report that describes the effect of instrumental bandpass functions and measurement wavelength interval on spectrally resolved quantities and to provide recommendations on suitable methods to minimise the error introduced by instrumental bandpass functions on spectrally integrated or weighted quantities. Chair: Emma Woolliams (GB)

TC 2-62: Imaging-Photometer-Based Near-Field Goniophotometry To prepare a CIE recommendation on the methods for characterisation and calibration of imaging-photometry-based near-field goniophotometers and for determination and conversion of photometric data of lamps and luminaries for both near-field and far-field applications. Chair: Walter Steudtner (DE)

TC 2-63: Optical Measurement of High-Power LEDs To develop a CIE recommendation on methods for the operation of high-power LEDs in DC and in pulse mode, at specified junction temperatures, for optical measurements. Chair: Yuqin Zong (US)

TC 2-64: High Speed Testing Methods for LEDs To prepare a technical report on high speed testing methods for electrical, thermal and optical quantities during the production of LEDs and the conversion of the values to DC operational conditions including the related time dependent functions. Chair: Günther Heidel (DE)

TC 2-65: Photometric measurements in the mesopic range 1) To produce a Technical Report setting out measurement requirements and procedures for implementation of the CIE task-based system for mesopic photometry. 2) To consider the implications of the new system for mesopic photometry for existing Div.2 publications. Chair: Teresa Goodman (GB)

TC 2-66: Terminology of LEDs and LED assemblies To Review LED and LED assemblies related terms and definitions in other international and regional organizations and prepare a recommendation for CIE. Chair: Janos Schanda (HU)

TC 2-67: Photometry of lighting and light-signalling devices for road vehicles To prepare guidelines for the measurement of photometric performance of lighting and light-signalling devices for road vehicles Note: This technical committee is related to GTB Working Group Photometry. The TC will start their work based on an existing internal GTB Working Group Photometry Guide (GTB identification: CE-3874) and will incorporate the rules for the determination and the statement of measurement uncertainties as defined in the ISO publication "Guide to the Expression of Uncertainty in Measurement" ISBN 92-67-1018-9 (1995). Chair: Gösta Werner (SE)

TC 3-34: Protocols for Describing Lighting To establish a catalogue of application-independant descriptors of lighting. To provide relevant, specific, objective definitions of supporting concepts associated with lighting. To develop a measurement protocol for each of the descriptors, with the goal of achieving protocols for use equally by researchers, in recommendations, and in design. To prepare a strategy and action plan for widespread promulgation and application of these protocols and definitions by researchers, journal editorial boards, lighting educators, CIE Technical Committees and Standards, and in other lighting organisations. Chair: Jennifer Veitch (CA)

TC 3-36: The Use of Satellite Images to Derive Daylight Data Assessment of the techniques used to derive the global, the direct and the diffuse horizontal illuminances from the images provided by the current generation of satellites. Work towards defining a standard procedure, which could be used to provide these quantities for any part of the world. The first output will be a review of the different techniques to derive the components of daylight used around the world. The amount of extra information (i.e. not part of the satellite image) needed by each of these techniques will be highlighted and the accuracy claimed by each technique will be weighted against the results expected by final users (i.e. accuracy of daily means vs. accuracy of monthly means). The second output will be the definition of a CIE standard procedure to derive daylight data from satellite images. The third output will consist in CIE recommendations to space agencies on the satellite ideally suited for the production of daylight data. Chair: Dominique Dumortier (FR)

TC 3-37: Guide for the Application of the CIE General Sky To prepare a guide with several sections for users who wish to implement the recently issued CIE General Sky standard for practical daylighting applications, studies and calculations. The CIE General Sky is an ISO/CIE international standard and contains relative luminance distributions of the whole sky defined by a series of equations. A wide range of sky conditions from the CIE overcast sky to the CIE clear sky are classified into 15 sky luminance distribution categories by sets of standard parameters. The guide will provide the following: 1.) An explanation of the CIE General Sky standard concept and its simplified use by general practitioners, together with an appropriate list of generally available references and recommended prediction methods/tools/computer programs as available. 2.) A recommended procedure for the classification and frequency analysis of skies usable for various design or energy use purposes with a recommended procedure to derive absolute values from the relative/ratio sky standards ie. cd/m2 and lx when necessary for supplementary electric lighting or any control purposes. 3.) The production of CIE sky typ frequencies around the world as annual daylight profiles (Daylight Reference Years) using the application of all or several sky standards. (Note: This could be done by usind IDMP measurements or possibly by using the information now provided by satellite images or both.) (4) Recommended interfaces for applications of daylighting calculations and CD/DVDs of suitable computer simulation software (such as Radiance) for various daylighting applications. Chair: Derrick Kendrick (AU)

TC 3-39: Discomfort Glare from Daylight in Buildings To review existing discomfort glare assessment methods with respect to their suitability to daylight glare. To identify strengths/weaknesses and threats/opportunities in these existing methods. To identify additional parameters that might influence the perception and assessment of discomfort and glare from daylight. To develop proposals for possible research directions and projects suitable to advance the understanding of these parameters. To propose guidance document directed towards the building industry (architects, lighting designers, etc.) and property owners/users on how to avoid discomfort glare from daylight (deliverable). Depending on funding, propose potential alternative assessment methods for discomfort glare from daylight (possible deliverable). Chair: Werner Osterhaus (NZ)

TC 3-42: Lighting Design Applications To determine areas of application to be included and review the CIE 29.2 text and to cross reference the Standards established in CIE S 008-2001. Chair: Karen Pero (CA)

TC 3-43: Determination of Discomfort Glare To add an annex called URG verification to the standard ISO 8995-1:2002/CIE S 008:2001. Update publication CIE 117-1995 to replace 0.25:1 SHR tabular procedure with 1:1 SHR standard conditions. Chair: Lou Bedocs(GB)

TC 3-44: Lighting for Older People and People with Visual Impairment in Buildings To provide summary recommendations for the lighting provision for older people and people with visual impairement in buildings. Chair: Geoffrey K. Cook(GB)

TC 3-45: Luminance Based Design Approach To determine suitable design factors and criteria for luminance based design, and to produce suitable tools to allow luminance based design to be performed and validated. This will involve a detailed literature search in the area of luminance based design and an examination of the tools for a luminance based design that have been developed or are currently available. The validity of the tools will be undertaken and compared to standard data. Chair: Yoshiki Nakamura (JP)

TC 3-46: Research Roadmap for Healthful Interior Lighting Applications The TC will review relevant CIE publications and the more recent scientific literature to identify the information that is needed before such lighting application may take place. The output will be a technical report which will describe a research roadmap intended to stimulate fundamental research into questions relevant to lighting applications. This technical committee follows from the publication of CIE 158:2004 and the two CIE expert symposia on light and lighting and health in 2004 and 2006. Chair: Jennifer Veitch (CA)

TC 3-47: Climate-Based Daylight Modelling To describe the state-of-the-art in CBDM and determine levels of research activity; To identify themes in ongoing areas of CBDM research and forecasting of future developments; To identify key areas of core or supporting research which are either lacking or with insufficient activity; To determine key application areas for CBDM and the required data pre-requisites; To codify an authoritative workflow for CBDM that is compliant with agreed quality assurance criteria; To provide guidance on the application of CBDM to predict emerging daylight metrics. Chair: John Mardaljevic (GB)

TC 3-48: CIE standard method of UF table calculation for indoor luminaires To produce a CIE standard for the calculation of utilization factor (UF) tables for indoor luminaires. Chair: Peter Thorns (GB)

TC 3-49: Decision Scheme for Lighting Controls for Tertiary Lighting in Buildings To offer guidelines in order to balance lighting quality, user comfort and energy efficiency in lighting controls solutions for tertiary lighting in buildings (i.e. for commercial, institutional and industrial buildings). To work on a decision scheme with focus on the user requirements (visual comfort, performance, personal control) to determine the most applicable control solution, including the consequences for possible savings. In this, it needs to be assumed that there are no technological or financial hurdles. Chair: Peter Dehoff (AT)

Division 4:

TC 4-15: Road Lighting Calculations To revise CIE 30.2 with the object of incorporating recently developed techniques relating to visibility, glare and other lighting variables. To recommend whether a CIE/ISO standard in this area is appropriate. Chair: Sermin Onaygil (TR)

TC 4-19: Road Visibility in Fog To investigate the visual performance and the propagation of light in thick fog. To study the implications for the design of road lighting and signalling, in relation to the measurement of visibility. Chair: Michèle Colomb (FR)

TC 4-21: Interference by Light with Astronomical Observations To produce an international framework to enable national or local regulations, or recommendations, to be produced to restrict interference by light with astronomical observations. Chair: Marc Gillet (BE)

TC 4-24: Calculation and Measurement of Tunnel Lighting Quality Criteria To define a method for the calculation of quality criteria for tunnel lighting. The quality criteria to be based on the average luminance and uniformity of road surface and walls, vertical illuminance in the driving direction and the veiling luminance created by the luminaires. To define the measurement of lighting quality in tunnel lighting. Chair: Marcel Justin (BE)

TC 4-26: Systems for Measurement of Photometric Quantities of Road Lighting Installations To produce a guide for automatic measurement systems for metrological characteristics of road and tunnel lighting. Chair: Giuseppe Rossi (IT)

TC 4-32: Surface Colours for Traffic Signs To revise CIE 39.2-1983, in order to bring it up to date and usable by ISO, and extending it by dealing with: combination of retro-reflective and fluorescent materials; metallized colours; requirements for night time colours, specified under illuminant A; specification of colours for a higher class of recognition; description of smaller boxes in the chromaticity diagram for new materials; safety colours; giving specimens of optimal colours (CIE-demonstration-colours); maintenance. Chair: Jürgen Ewald (DE)

TC 4-33: Discomfort Glare in Road Lighting To study the known mathematical description of the discomfort glare and its scaling. To compare the results with field studies and to condense the outcome in a report that should result in recommendations for discomfort glare assessment. Chair: Ron Gibbons (US)

TC 4-36: Visibility Design for Roadway Lighting To develop a technical report on design procedures for roadway lighting based on the visibility level concept. Chair: Richard E. Stark (US)

TC 4-40: Requirements for Retroreflective Traffic Signs To recommend visual performance for retroreflective traffic signs, including the study of driving scenarios, vehicle geometry and headlight distributions. Chair: Paul J. Carlson (US)

TC 4-43: Emergency Lighting in Tunnels The TC will cover the following items: escape route lighting of carriage-ways and footways in case of fire taking into account aspects from ventilation, lighting of emergency exits, lighting of lay-byes. The main aim is not only to recommend the appropriate lighting levels, but also to give general guidelines for design and installations. Chair: Marc Gillet (BE)

TC 4-44: Management and Maintenance of Road Lighting To revise Publication CIE 115-1995 in such a way that lighting performance requirements may vary depending on actual status of environmental and traffic conditions. Chair: Pentti Hautala (FI)

TC 4-45: Performance Asessment Method for Vehicle Headlamp To produce a technical report with the objective of subsequently developing a standard that defines an objective procedure for the evaluation of forward-lighting system performance in terms of active safety. The work carried out by the former GTB EuroNCAP taskforce constitutes the basis for this development. Chair: Karsten Köth (DE)

TC 4-46: 300mm Roundel Signals To develop a CIE Standard, for proposal to ISO, providing the colorimetric and photometric properties of 300 mm road traffic control roundel signals. Chair: Carl Andersen (US)

TC 4-47 Application of LEDs in Transport Signalling and Lighting To review the application and methods of measurement of LEDsin transport lighting and signalling as far as they affect the visual performance of the users of the transport system. To prepare a Technical Report which includes the findings of the review and recommendations for the visual characteristics of LED signals and lighting. Chair: Steve Jenkins (US)

TC 4-48: White Light on Road Lighting Phase 1.) To define and study the effects of white light under mesopic conditions in road lighting, evaluating energy saving and safety. Chair: Stephan Voelker (DE)

Division 5:

TC 5-18: Practical Design Guidelines for the Lighting of Exterior Work Areas To produce an "applications" guide for exterior work areas that compliments Publication CIE 129-1998, by updating where necessary the relevant portions of the withdrawn Publication CIE 68. Chair: Pranab .K. Bandyopadhyay (IN)

TC 5-20: Guide for Sports Lighting To prepare a Guide for Sports Lighting that excludes lighting for TV and films. This guide will replace the present publications CIE 42-1978, CIE 45-1979, CIE 57-1983, CIE 58-1983 and CIE 62-1984. Chair: Thomas M. Lemons (US)

TC 5-21: Masterplanning Urban Lighting To prepare a Guide for Masterplanning Urban Lighting. The Guide shall be used whenever designing new or renewed creative lighting for masterplanning urban lighting. The Guide includes an integrated approach which takes into consideration functional lightng, floodlighting, decorative lighting and considers functional, aesthetic and emotional aspects of lighting design. Chair: Müjgan Serefhanoglu-Sözen (TR)

TC 5-22: Beam Patterns for Exterior Floodlighting Luminaires To prepare a technical report and make recommendations for new terms and definitions addressing the issues related to beam patterns and performance of exterior floodlight luminaires. To review publication CIE 43-1979 in the light of these findings and outline proposals to update this if believed appropriate. Chair: Scott Davis (US)

TC 5-23: Guidelines for the use of different Illuminance parameters in Outdoor Applications To prepare a technical report and make recommendations for the use of semicylindrical illuminance in outdoor applications Chair: Patrick Rombauts (BE)

TC 5-24: Guide for Architectural and Decorative Lighting To review CIE 94:1993 and produce a new guide that reflects both the technical and aesthetic values required for architectural and decorative lighting taking into account both the efficient use of energy and the effect that lighting has on the environment. Chair: Müjgan Serefhanoglu-Sözen (TR)

TC 5-26 Guide for the Lighting of Sport Events for Colour Television and Film Systems To prepare a revision of CIE 83-1989 to better relate to CIE 169:2005 and the present state of the art of HDTV. Chair: Alan Smith (UK)

TC 5-27: Artificial Lighting and its Impact on the Natural Environment To develop a Technical Report which will provide guidance on ways to minimize the effects of artificial lighting on the natural environment, including impacts on flora and fauna. This would be accomplished by making recommendations on light levels, spectral distributions, and other specific considerations of a broad range of organisms as well as specific habitats. Chair: Peter Strasser (US)

TC 5-28: Guide on the Limitation of the Effects of Obtrusive Light To review and update if and where required publciation CIE 150:2003. Chair: Nigel Pollard (GB)

Division 6:

TC 6-08: Guidelines for Obtaining Action Spectra Definitions (detector, effective radiant quantities, responsivity, spectral responsivity, action spectra, threshold radiant exposure, threshold exposure period). Bunsen-Rosoce law; type of detectors; general relation between effect and irradiation; principles of obtaining action spectra; monochromatic irradiation; sources (random parameters); measurement of irradiance on the detector; measurement of the effect of irradiation. Chair: David H. Sliney (US)

TC 6-15: A Computerized Approach to Reflection, Transmission and Absorption Characteristics of the Human Eye To design a working model, for the assessment of the actual amount of radiation reaching various eye structures. Chair: D. Jack Lund (US)

TC 6-20: Phototoxicity in Domestic and Industrial Environments To collate information on the production and use of new substances representing potential phototoxic, photoallergic, photocarcinogenic hazard. They may be present in the working environment as powders, sprays, emulsions, and, in general, as polluting factors, or they may be administered as medicaments. The assessment of their effects needs careful consideration and may have implications on the actinic effectiveness of sources, as related, for instance, to lighting in hospitals. Chair: N.K. Gibbs (FR)

TC 6-21: Low Lewel UV-A Cataract To inform the lighting engineers about the basic facts concerning eyelens cataract and, in particular, the role of exposure to the UV radiation. Particular emphasis is to be given to the controversies concerning the effects of day-after-day accumulation of small UV-A radiant exposures. Chair: David H. Sliney (US)

TC 6-28: Standardization of Sunscreen Testing: To develop standardized specifications for the spectral distribution of light sources used in testing sunscreens based upon the report of TC 6-12 as CIE90-1991. Chair: Uli Osterwalder (CH) (This TC is working on a standard.)

TC 6-33: Photoimmunological Effects Mediated through the Skin To prepare a report on the current state of knowledge regarding the effects of UVR photoimmunology aimed for the lighting engineering community. Chair: Edward C. de Fabo (US)

TC 6-36: UVR Protective Materials Used in Shading To investigate the properties of materials, such as tent or awning fabrics used in solar UVR shading devices, and develop standardized methods for the testing fabrics other than clothing that are used for UVR protection. Chair: Natasha van Tonder Nel-Sakharova (ZA)

TC 6-37: Light and Retinal Disease To prepare a report on the current state of knowledge regarding the alleged effects of light exposure as an etiologic factor in retinal disease. The report should be written to be understood by the lighting engineering community. Chair: David H. Sliney (US)

TC 6-39: UV Radiation at Lighted Environments To develop an evaluation method of UV radiation at lighted environments. To investigate UV spectral characteristics of filters and reflectors used for luminances, and interior environment. Chair: Kohtaro Kohmoto (JP)

TC 6-42: Lighting Aspects for Plant Growth in Controlled Environments To define the general prerequisites for growing terrestrial plants in controlled environments and the characteristics of both commercial and research facilities. To discuss the economic constraints of commercial production facilities, and the critical optical radiation parameters for successful culture. To examine the interaction of optical radiation with other environmental parameters. To identify new and current optical sources suitable for plant culture. Chair: Mojtaba Navvab (US)

TC 6-43: UV Water Disinfection To examine the state of knowledge on UV water disinfection. Chair: Alexander Cabaj (AT)

TC 6-44: Illuminators for Treatment of Infant Hyperbilirubinemia To examine the state of knowledge on infant hyperbilirubinemia, and recommend the formation of a standardized action spectrum for comparative evaluation of therapy lighting. Chair: Myron L. Wolbarsht (US)

TC 6-45: Optical Radiation Hazard Measurements in the Workspace To examine the methods of measurement and the required accuracy of field instruments and broad-band meters used to measure the optical radiation hazards in the workplace. Emphasis is on UV and blue light hazards. To develop approved (recommended) methodsor measurement of UV, visible and IR in the workplace. Chair: R. Angelo (US)

TC 6-46: Standardized Action Spectrum for UV Disinfection To develop a standardized action spectrum for UV disinfection; DIN, US and other published action spectra are not consistent. Chair: Petra Rettberg (DE)

TC 6-48: Typical Minimal Erythema Doses To propose typical minimal erythema doses for different skin types, for use in the evaluation and revision of different standards for UV-emitting appliances and in educational efforts related to the risk of UV exposure. Chair: Janusz Z. Beer (US)

TC 6-49: Infrared Cataract To evaluate current biophysical data related to infrared and heat-induced cataractogeneses and report on the potential mechanisms - both thermal and photochemical. Chair: Tsutomu Okuno (JP)

TC 6-50: Photodegradation of Pharmaceuticals To report on the current knowledge related to the potential photodegradation of pharmaceuticals during storage and illumination by both sunlight and artificial illuminants. Chair: Hanne Hjorth Tønnesen (NO)

TC 6-51: Standardized Solar Simulator Spectral Irradiance for Sunscreen Testing To provide a standardized solar simulator emission spectrum for testing sunscreens. Spectral tolerance values will be provided. Chair: Robert M. Sayre (US) (This TC is working on a standard.)

TC 6-52: Proper Measurement of Passive UV Air Disinfection Sources To specify the biologically meaningful measurement distances and positions in installations of UV germicidal lamps for open, upper-air disinfection. Physical aspects of the measurement will be coordinated with CIE Division 2. Chair: Richard L. Vincent (US)

TC 6-53: Personal Dosimetry for UV Radiation To update the previous technical report on personal dosimetry of UV radiation (CIE 98-1992) and to consider, in addition to the personal dosimeters mentioned before, personal dosimeters based on biological sensors as well as optoelectronic devices. Chair: Attila Berces (HU)

TC 6-54: Standardized Action Spectrum for Vitamin D Synthesis in Human Skin To evaluate the current state of knowledge in the photobiological action spectrum for general use in estimating effective exposures in humans of differing skin types. The Technical Committee will examine the impact of natural skin pigmentation, skin optics, and skin exposure area and describe the effective dose per unit of skin area that produces a given quantity of serum Vitamin D. The output will be a technical report and a standard. Chair: Michael F. Holick (US)

TC 6-55: Photobiological Safety of LEDs To report on the differing methods of assessing the photobiological safety of Light Emitting Diodes (LEDs). The assessment measures in the CIE Lamp Safety Standard, CIE S 009/E:2002 will be compared to the measures in IEC 60825-1-2001. This entails a review and report on the known effects from a physiological standpoint and a determination of the dose relationships that pose a potential risk for eye injury from excessive irradiation. Chair: Werner Horak (DE)

TC 6-57: Standardization of Terms and Action Spectra for Blue Light and Retinal Thermal Hazard Functions To prepare a draft CIE standard on the definitions and action spectra for two retinal hazard functions used in photobiological safety documents. Chair: Kohtaro Kohmoto (JP) (This TC is working on a standard.)

TC 6-58: A Recommendation on Lower Limits for UV Exposure The fact that man cannot do entirely without UV is accepted by most scientists active in this field, but is not as well known as the widely accepted view that UV exposure should be limited to a sensible level thus avoiding or minimizing risks. The TC will formulate recommendations for a lower limit of UV exposure commensurate with good health. Chair: Wim Passchier (NL)

TC 6-60: Spectral Weighting of Ultraviolet Radiation from Solar Surrogate Sources To prepare a document intended to provide health research scientists with a concise reference for estimating the risk associated with exposure to various levels of radiation from solar surrogate sources. Chair: Don Forbes (US)

TC 6-61: Measurement of Radiation Using the Phytometric System for Plant Application To prepare a document intended to provide growers, lamps manufacturers, greenhouse and growth-chamber designers, lighting engineers, architects and plant scientists and engineers with a concise reference for the use of the phytometric system for measuring radiation for plant photosynthesis and related processes. Chair: Gilberto da Costa (BR)

TC 6-62: Action Spectra and Dosimetric Quantities for Circadian and Related Neurobiological Effects To evaluate currently available biological research data relating to action spectra for human neuroendocrine effects, alerting effects and chronobiological effects with the aim of providing guidance to the lighting community for assessing the impact of different spectral distributions of lighting upon non-visual effects in humans. The historical studies of chronobiology will be briefly mentioned to provide a historical perspective. The eventual aim will be to provide a recommended standard action spectrum (or spectra) for melatonin suppression and for assessing the health impact of light. Dosimetric quantities related to biologically effective radiance and irradiance will also be developed. Chair: H. Cooper (FR)

TC 6-63: Photobiological Strategies for Adjusting Circadian Phases to Minimize the Impact of Shift Work and Jet Lag To evaluate currently available biological research data relating to chronobiological effects and neuroendocrine effects, to include alerting effects with the aim to develop strategies for countering the effects of shift work and jet lag, as well as other sleep-wake disorders. The report shall provide guidance to the lighting community for assessing the impact of different light sequencing and spectral distributions of lighting for the environments where this can be used for humans. The historical studies of chronobiology will be briefly mentioned to provide a historical perspective. Chair: Steven W. Lockley(US)

TC 6-64: Optical Safety of Infrared Eye Trackers Applied for Extended-Duration To review the potential optical radiation hazards from infrared eye-tracking systems when exposure durations are continuous throughout the day. Emphasis is placed upon the use of eye-tracking for gaze-based communication for severely disabled persons, which requires exposure of the eyes throughout a day over many years. Although there exist exposure guidelines from the International Commission on Non-Ionizing Radiation (ICNIRP) for infrared exposure and a CIE Standard (S-009) for photobiological safety of lamps and lamp systems, the lengths of exposure employed in this type of interface technology for disabled users may exceed the durations envisioned in the current exposure guidelines and standards. Abnormalities in the eye behaviour of severely disabled users may also require special treatment in safety standards. Chair: David H. Sliney (US)

TC 6-65: Photobiological Dosimetry for Low Level Laser/Light Phototherapy To review the current state of dosimetry applied to low-level-laser/light therapy (LLLT), referred to also as “laser biostimulation” or “laser photobiomodulation,” and prepare a CIE technical report on preferred methods for dosimetry.  Although a wide variety of low-irradiance laser and LED phototherapy devices are employed in medical practice for pain relief and wound healing and treatment of chronic disease, a full understanding of the underlying mechanisms of photobiological interactions remain under scientific investigation.  A key challenge is to establish a uniform, standardized means of expressing the photobiological exposure of tissue.  The role of this TC is to recommend scientifically sound dosimetric methodology that will apply independent of the exact mechanism. Chair: Terry L. Lyon (USA)

TC 8-02: Colour Difference Evaluation in Images To study, develop and standardize methods to derive colour differences for images. Chair: M. Ronnier Luo (GB)

TC 8-07: Multispectral Imaging To study, develop and recommend encoding techniques and data formats for the exchange of multispectral images, and to provide test procedures for the evaluation of multispectral imaging systems. Chair: Jussi Parkkinen (FI)

TC 8-08: Testing of Spatial Colour Appearance Models To design, implement and report the results of a psychophysical test comparing the output of spatial colour appearance models (including Retinex, MOM and iCAM) for high dynamic range still images. Chair: Garret Johnson (US)

TC 8-09: Archival Colour Imaging To recommend a set of techniques for the accurate capture, encoding and long-term preservation of colour descriptions of digital images that are either born digital or the result of digitizing 2D static physical objects including documents, maps, photographic materials and paintings. Chair: Robert Buckley (US)

TC 8-10: Office Lighting for Imaging To report on the spectral power distribution and illumination levels used to view images in office lighting conditions. The report is to be based on empirical research. Chair: Todd Newman (US)

TC 8-11: CIECAM02 Mathematics To investigate the improvements of the CIECAM02 model to avoid mathematical inconsistencies. Chair: Changjun Li (CN)

TC 8-12: Video Compression Assessment To establish and report on the display and viewing conditions and materials for video compression quality evaluation in different applications including, but not limited to, web, mobile phones, HDTV, home cinemea and digital cinema. Chair: Christine Fernandez-Maloigne (FR)