CIE Division 1 Vision and Colour Dr Mike Pointer National Physical Laboratory
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CIE Division 1 Vision and Colour
Dr Mike PointerNational Physical Laboratory
CIE - D1 Meetings2003 San Diego, USA
2004 Tokyo, Japan
2005 León, Spain
2006 Ottawa, Canada
2007 Beijing, China
ISCC/CIE Expert Symposium
0
1
2
75 years of the CIE Standard Colorimetric Observer
National Research Council, Ottawa, Canada
80 delegates - 20 countries - 27 papers - 5 posters
CIE - D1 - Work
Technical Committees: Colour 13Vision 9
Reporters:Colour 2Vision 8
CIE - D1 - Active TCs - ColourTC1-55 Uniform colour space for industrial colour difference evaluationTC1-56 Improved colour matching functionsTC1-63 Validity of range of CIEDE2000TC1-64 Terminology for vision, colour and appearance
CIE - D1 - Active TCs - Vision TC1-42 Colour appearance in peripheral vision TC1-54 Age-related change in visual responseTC1-58 Visual performance in the mesopic range TC1-60 Contrast sensitivity function
CIE - D1 - Technical ReportsTC1-27 Specification of colour appearance for reflective media and self-luminous display comparison TC1-36 Fundamental chromaticity diagramTC1-44 Practical daylight simulators for colorimetry TC1-57 Standards in colorimetryTC1-62 Colour rendering of LED light sourcesTC1-65 Visual appearance measurement TC1-66 Indoor daylight illuminant
CIE - D1 - Recent PublicationsCIE 166:2005 Cognitive Colour
CIE 167:2005 Recommended practice for tabulating spectral data for use in colour computations
CIE 170-1:2006 Fundamental chromaticity diagram with physiological axes - Part 1
CIE - D1 - New WorkTC 1-69 Colour Rendition of white light sources
Terms of reference: To investigate new methods for assessing the colour rendition properties of white-light sources used for illumination, including solid-state light sources, with a goal of recommending new assessment procedures
Chair: Wendy Davis US
CIE - D1 - New WorkR 1-39 Alternative forms of the CIEDE2000 colour-difference equation
Terms of reference: To investigate alternative formulations of the CIEDE2000 equation and make a recommendation to the Division on any action necessary
Mike Pointer GB
CIEDE2000
212222 /
CHCH
*ab
*ab
HH
*ab
CC
*ab
LL
**
SkHC
SkH
SkC
SkLE
⎥⎥⎦
⎤
⎢⎢⎣
⎡⎟⎟⎠
⎞⎜⎜⎝
⎛+⎟⎟
⎠
⎞⎜⎜⎝
⎛+⎟⎟
⎠
⎞⎜⎜⎝
⎛+⎟⎟
⎠
⎞⎜⎜⎝
⎛=
ΔΔΔΔΔΔ
Lightness difference
Chroma difference
Hue difference
Hue rotation
CIEDE2000a2'
00 ⎟⎟⎠
⎞⎜⎜⎝
⎛ Δ=Δ
LLSkLL
Lightness difference
Chroma difference
Hue difference
2
''
''
00 ⎟⎟⎠
⎞⎜⎜⎝
⎛ Δ=Δ
CLSkCC
2
''
''
00 ⎟⎟⎠
⎞⎜⎜⎝
⎛ Δ=Δ
HLSkHH
CIE - D1 - New WorkR 1-40 Scene dynamic range
Terms of reference: To investigate the concept of scene dynamic range, the appearance of colours brighter than the adapted white, and adaptation to the dynamic range of when viewing, and make recommendations regarding work to be done by CIE
Jack Holm US
CIE - D1 - Next meetingBeijing, China:
July 2007
CIE Division 1 Vision and Colour
ASTM International
Dr Mike PointerNational Physical Laboratory
ASTM CommitteesE12 Color and Appearance
E12.1 TerminologyE12.2 Spectrophotometry and colorimetryE12.3 GeometryE12.4 Color and appearance analysisE12.6 Image based color measurementE12.7 Color order systemsE12.11 Visual methodsE12.12 Measurement of metallic and pearlescent colorsE12.14 Multidimensional characterization of appearance
ASTM CommitteesE12.06 Imaged based color measurement
E 2466-06 Standard Test Method for Colorimetry of Teeth Using Digital Still Camera Technology
ASTM CommitteesE12.12 Measurement of metallic and pearlescent colors
110degrees
75degrees
25degrees
Illumination Specular angle
15degrees
45degrees
ASTM CommitteesE12.12 Measurement of metallic and pearlescent colors45°: 0°x45°: -30° (as 15°)45°: -20° (as 25°)45°: 0° (as 45°)45°: 30° (as 75°)45°: 65° (as 110°)
ASTM International
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