ROOT
TC 2-80 Spectroradiometric measurement of light sources
- To specify current procedures for the spectroradiometry of continuous, line and mixed sources of optical radiation. Such procedures apply to measurements of irradiance, radiance and radiant flux in the near ultraviolet, visible and near infrared regions of the spectrum.
- Chair: Richard Young (DE)
TC 2-79 Integrating sphere photometry and spectroradiometry
- To create a technical report on the photometry and spectroradiometry of sources in integrating spheres by updating the relevant parts of CIE 084-1989 and incorporating new techniques and practices.
- Chair: Dong-Hoon Lee (KR)
TC 2-78 The Goniophotometry of Lamps and Luminaires
- To update CIE 121-1996, CIE 070-1987 and the relevant parts of CIE 084-1989 and combine these into the one technical report, incorporating new techniques and the absolute goniophotometry of lamps in their own right.
- Chair: Tony Bergen (AU)
TC 2-77 Fundamental Concepts
- To facilitate informal collaboration and sharing of ideas on fundamental concepts in photometry, radiometry and colorimetry, with a special focus on dedicated activities at D2 division meetings.
- Chair: Tony Bergen (AU)
TC 2-76 Characterization of AC-driven LED Products for SSL Applications
- To prepare a technical report on the measurement of characteristic quantities of AC driven LED products, including operational conditions, and photometric quantities focused on those influenced by the effect of flicker.
- Chair: Pei-Ting Chou (TW)
TC 2-75 Photometry of Curved and Flexible OLED and LED Sources
- To prepare a CIE recommendation on methods for characterization of the photometric and colorimetric quantities of curved and flexible sources especially for OLED and LED including traceability.
- Chair: Hsueh-Ling Yu (TW)
TC 2-74 Goniospectroradiometry of Optical Radiation Sources
- To prepare a technical report on goniospectroradiometry to summarize measurement principles for evaluating radiometric, photometric and colorimetric quantities and related traceability.
- Chair: Jiangen Pan (CN)
TC 2-73 Measurement of Quantities Relating to Photobiological Safety of Lighting Products
- To prepare a technical report for the measurement of optical radiation related to photobiological safety of lighting products, focusing on LED products.
- Chair: Tongsheng Mou (CN)
TC 2-72 The Evaluation of Uncertainties in Measurement of the Optical Properties of Solid State Lighting Devices, including coloured LEDs
- To expand the supplements to CIE 198-2011 to include further principles and examples for evaluation of the uncertainties associated with the measurement and testing of LEDs and other solid state lighting devices. Examples include distribution photometry, spectral measurement and derived quantities, goniospectroradiometry and other priority measurements as advised by industry.
- Chair: Georg Sauter (DE)
TC 2-71 CIE Standard on Test Methods for LED Lamps, Luminaires and Modules
- To prepare a CIE standard on test methods for photometric and colorimetric performance of LED lamps, LED luminaires, and LED modules in cooperation with CEN TC169 WG7 and IEC TC34.
- Chair: Yoshi Ohno (US)
TC 2-70 Standards for Measurement of Reflectance and Transmittance Properties of Materials
- To draft three new CIE standards that describe the minimum requirements for any instrument intended to measure the optical properties of planar, uniform, homogeneous (or nearly so) materials, The standards will define the geometric and spectral requirements, the processes for calibration or standardization of the scales and the required level of uncertainty for the measurement of spectral diffuse reflectance and reflectance factor, spectral regular transmittance and spectral diffuse transmittance, and spectral regular reflectance.
- Chair: Danny Rich (US)
TC 2-69: CIE Classification Systems of Illuminance and Luminance Meters
- To prepare a technical report on existing material and regional classification systems of Photometers and to recommend a CIE classification system.
- Chair: Peter Blattner (CH)
TC 2-68: Optical measurement methods for OLEDs used for lighting
- To produce a Technical Report on the measurement methods of the optical properties and the terminology of OLEDs used for lighting.
- Chair: Thorsten Gerloff (DE)
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 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 2-65: Photometric measurements in the mesopic range
- To produce a Technical Report setting out measurement requirements and procedures for implementation of the CIE task-based system for mesopic photometry.
- To consider the implications of the new system for mesopic photometry for existing Div.2 publications.
- Chair: Teresa Goodman (GB)
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 2-63: 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 2-62: 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 2-60: 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 Wooliams (GB)
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 2-57: Revision of CIE S 014-2
- To revise CIE Standard S 014-2 (CIE Standard Illuminants) to include Illuminant D50.
- Chair: Balázs Kránicz (HU) (This TC is working on a standard.)
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 Young (GB)
TC 2-50: Measurement of the Optical Properties of LED Assemblies
- To produce a technical report for the measurement of the optical properties of LED assemblies.
- Chair: Richard Distl (DE)
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 2-47: 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 2-29: 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: George Eppeldauer (US)
TC 2-17: Recommendation for Integrated Irradiance and Spectral Distribution of Simulated Solar Radiation
TC 1-93: Calculation of self-luminous neutral scale
- To recommend a formula or computational method for an achromatic, neutral or gray scale for self-luminous (i.e. non-reflective) surfaces. (This computation complements CIE Lightness, L*, which serves a similar purpose for reflective surfaces.)
- Chair: Rob Carter (US)
TC 1-92: Skin Colour Database
- 1.To investigate the uncertainty in skin colour measurement and to recommend protocols for good measurement practice.
- 2.To tabulate skin colour measurements that accord with these protocols covering different ethnicity, gender, age and body location.
- Chair: Kaida Xiao (GB)
TC 1-91: New Methods for Evaluating the Colour Quality of White-Light Sources
- To evaluate available new methods for evaluating the colour quality of white-light sources with a goal of recommending methods for industrial use. (Methods based on colour fidelity shall not be included: see TC1-90).
- Chair: Yandan Lin (CN)
TC 1-90: Colour Fidelity Index
- To evaluate available indices based on colour fidelity for assessing the colour quality of white- light sources with a goal of recommending a single colour fidelity index for industrial use.
- Chair: Hirohisa Yaguchi (JP)
TC 1-89 Enhancement of Images for Colour Defective Observers
- To study, evaluate and recommend image enhancing techniques for colour defective observers and to provide test procedures for the evaluation of those techniques.
- Chair: Po-Chieh Hung (JP)
TC 1-88: Scene Brightness Estimation
- To investigate current research on brightness estimation methods using a calibrated luminance image of a real indoor scene
- To compare brightness estimations of real indoor scenes with those predicted
- To recommend a method to predict the brightness of specified regions of a scene from a luminance image of that scene.
- Chair: Yoshiki Nakamura (JP)
TC 1-86: Models of Colour Emotion and Harmony
- To recommend models of colour emotion and harmony based on existing psychophysical data obtained by different research groups or networks for applications in the colour design area.
- Chair: Li-Chen Ou (TW)
TC 1-85: Update CIE Publication 15:2004 Colorimetry
- To update CIE Publication 15:2004 taking into consideration the current CIE/ISO standards on colorimetry and the work of TC1-36 Fundamental Chromaticity Diagram with Physiologically Significant Axes.
- Chair: Janos Schanda (HU)
TC 1-84: Definition of Visual Field for Conspicuity
- To define and classify functional visual fields for universal tasks and develop guidelines for the layout of visual information to increase the visibility of visual signs, displays and markings.
- Chair: Nana Itoh (JP)
TC 1-83: Visual Aspects of Time-Modulated Lighting Systems
- 1. To investigate and report on current research on the perception of visual artefacts of temporally modulated lighting systems, including flicker, the stroboscopic effect and the phantom array effect.
- 2. Design methodology and gather data on the visibility of temporal artefacts.
- 3. Build a model for the visibility of temporal artefacts and their dependence on environmental, demographical and lighting parameters.
- Chair: Dragan Sekulovski (NL)
TC 1-82: The Calculation of Colour Matching Functions as a Function of Age and Field Size
- 1.Following on from CIE 170-1:2006, to recommend a procedure for calculating XYZ-like colour matching functions from cone fundamentals, as a function of age and field size. 2. To deliver a computer programme for the calculations.
- Chair: Jan Henrik Wold (NO)
TC 1-81: Validity of Formulae for Predicting Small Colour Differences
- 1.To evaluate available formulae for small colour differences (<~2.0 CIELAB). 2.To define a visual threshold colour difference.
- Chair: Klaus Richter (DE)
TC 1-80: Research Methods for Psychophysical Studies of Brightness Judgements
- To report on research methods (both research design and statistical analysis) for psychophysical studies of spatial brightness judgements. The aim is to bring best practices from psychology into the wider awareness of people in the lighting community who wish to use such tools in their own work, to avoid errors that plague the existing literature.
- Chair: Steve Fotios (GB)
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 1-77: 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 1-76: 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 1-75: 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 1-73: 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 1-72: Measurement of Appearance Network: MApNet
- To establish a network of those interested in the measurement of visual appearance.
- 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.
- Each Technical Leader shall provide substantial periodic reports in a form that might be published.
- A second Expert Symposium on Appearance shall be organized at an appropriate time within the next 4 years.
- A database of relevant published work shall be maintained.
- Consideration shall be given to the establishment of separate Technical Committees when appropriate.
- Chair: Michael Pointer (GB)
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 1-70: 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 1-69: Colour Rendering of White Light Sources:
- To investigate new methods for assessing the colour rendition properties of white-light sources used for illumination, including solid-state light sources, with the goal of recommending new assessment procedures.
- Chair: Wendy Davis (US).
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.
- Chair: Hiroyasu Ujike (JP)
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 1-63: 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 1-61: Categorical Colour Identification
- To prepare a report describing a colour categorization map for the photopic and mesopic illuminance levels.
- Chair: Taiichiro Ishida (JP)
TC 1-55: 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: J. Nobbs (GB)
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)
