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PD IEC TS 61966-13:2023 Multimedia systems and equipment. Colour measurement and management - Measurement method of display colour properties depending on observers, 2023
- undefined
- CONTENTS
- FOREWORD
- INTRODUCTION
- 1 Scope
- 2 Normative references
- 3 Terms and definitions [Go to Page]
- 3.1 Terms and definitions
- 3.2 Abbreviations
- 4 Measuring equipment [Go to Page]
- 4.1 Light-measuring devices
- 4.2 Viewing direction coordinate system
- Figures [Go to Page]
- Figure 1 – Representation of the viewing direction (equivalent to the direction of measurement) by the angle of inclination, θ and the angle of rotation (azimuth angle), φ in a polar coordinate system
- 5 Measuring conditions [Go to Page]
- 5.1 Standard measuring environmental conditions
- 5.2 Power supply
- 5.3 Warm-up time
- 5.4 Standard measuring dark-room conditions
- 5.5 Standard set-up conditions
- 6 Measuring methods [Go to Page]
- 6.1 Individual colour-matching functions
- 6.2 Reference colours
- Figure 2 – DUT Installation conditions
- 6.3 Observer metamerism index [Go to Page]
- 6.3.1 Purpose
- 6.3.2 Measuring conditions
- 6.3.3 Measurement method
- Figure 3 – Flowchart of the overall evaluation method
- Figure 4 – 4 % area centre box patterns of primary colours
- 7 Reporting form [Go to Page]
- Figure 5 – Reporting example of a graph of colour-matched metameric pair of reference colour and DUT
- Tables [Go to Page]
- Table 1 – Reporting form of observer metamerism index
- Annex A (informative)Generating a set of individual CMFs [Go to Page]
- A.1 Age distribution data
- A.2 Example of individual CMFs dataset
- Table A.1 – Example of age distribution data
- Table A.2 – Total number of individual CMFs example
- Table A.3 – Spectral sensitivity data of the individual CMFs (age group: 22, 27 and 32)
- Table A.4 – Spectral sensitivity data of the individual CMFs (Age group: 37, 42 and 47)
- Table A.5 – Spectral sensitivity data of the individual CMFs (Age group: 52, 57 and 62)
- Table A.6 – Spectral sensitivity data of the individual CMFs (Age group: 67, 72 and 77)
- Annex B (informative)XYZ values of reference colour [Go to Page]
- Table B.1 – Reference XYZ values using CIE 1931 standard colorimetric observer
- Annex C (informative)Measurement method of observer metamerismbetween different displays [Go to Page]
- C.1 General
- C.2 Reference colours and measurement method
- Annex D (informative)Colour-matching process for multi-ORU DUTs
- Annex E (informative)Working example of observer metamerism index [Go to Page]
- E.1 Purpose
- E.2 DUT
- E.3 Process
- Figure E.1 – RGB primary spectrum of the DUT
- Table E.1 – Optical properties of the DUT
- Table E.2 – Reference colour XYZ values of age group 22 individual CMFs
- Table E.3 – R, G and B weighting factors of the matched colours (age group 22)
- Table E.4 – OMI calculation result of all 7 colours and age groups
- Table E.5 – Reporting of OMI results
- Figure E.2 – Example of graphs of colour-matched metameric pair of reference colour (Macbeth white) and test colour of the DUT
- Table E.6 – R, G, B, W spectra of the DUT
- Table E.7 – R, G and B weighting factors of the matched colours
- Bibliography [Go to Page]
