CIE S 014-1 E-2006 Colorimetry Part 1 CIE standard colorimetric observers《比色法 第1部分 CIE标准 色度观察员》.pdf

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1、 Reference numberISO 11664-1:2007(E)CIE S 014-1/E:2006ISO 2007INTERNATIONAL STANDARD ISO11664-1CIE S 014-1/EFirst edition2007-10-15Corrected version2008-11-01Colorimetry Part 1: CIE standard colorimetric observers Colorimtrie Partie 1: Observateurs CIE de rfrence pour la colorimtrie ISO 11664-1:2007

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5、PYRIGHT PROTECTED DOCUMENT ISO 2007 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address bel

6、ow or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2007 All rights reservedISO 11664-1:2007(E) ISO 2007 All rights reserved

7、 iiiForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which

8、 a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all mat

9、ters of electrotechnical standardization. ISO 11664-1 was prepared as Standard CIE S 014-1/E by the International Commission on Illumination, which has been recognized by the ISO Council as an international standardizing body. It was adopted by ISO under a special procedure which requires approval b

10、y at least 75 % of the member bodes casting a vote, and is published as a joint ISO/CIE edition. The International Commission on Illumination (abbreviated as CIE from its French title) is an organization devoted to international cooperation and exchange of information among its member countries on a

11、ll matters relating to the science and art of lighting. ISO 11664-1 was prepared by CIE Division 2 Physical measurement of light and radiation. ISO 11664-1 was initially published by ISO as ISO 10527:2007, and has subsequently been renumbered to be part 1 of the ISO 11664 series. ISO 11664 consists

12、of the following parts, under the general title Colorimetry: Part 1: CIE standard colorimetric observers published previously as ISO 10527:2007, which has been cancelled Part 2: CIE standard illuminants published previously as ISO 10526:2007, which has been cancelled Part 4: CIE 1976 L*a*b* Colour s

13、pace ISO 11664-1:2007(E) CIE S 014-1/E:2006 CIE 2006 All rights reserved ISO 2007 All rights reserved vCIE S 014-1/E:2006 Standard- ric olorimtrie - Partie 1: Observateurs de rfrence colorimtriques CIE arbmessung - Teil 1: CIE farbmetrische Normalbeobachter IE Standards are copyrighted and shall not

14、 be reproduced in any form, entirely or partly, without e explicit agreement of the CIE. Vienna CIE S 014-1/E:2006 Kegelgasse 27, A-1030 Vienna, Austria ColorimetryPart 1: CIE Standard ColorimetObservers CFCthCIE Central Bureau, UDC: 535.6.08 Descriptor: Colorimetry, reference data CIE S 014-1/E:200

15、6 vi CIE 2006 All rights reserved ISO 2007 All rights reserved CIE, 2006All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writin

16、g from CIE Central Bureau at the address below. CIE Central Bureau Kegelgasse 27 A-1030 Vienna Austria Tel.: +43 1 714 3187 0 Fax: +43 1 714 3187 18 e-mail: ciecbping.at Web: www.cie.co.at/ ISO 11664-1:2007(E) CIE S 014-1/E:2006 CIE 2006 All rights reserved ISO 2007 All rights reserved viiFOREWORD S

17、tandards produced by the Commission Internationale de lEclairage (CIE) are a concise documentation of data defining aspects of light and lighting, for which international harmony requires such unique definition. CIE Standards are therefore a primary source of internationally accepted and agreed data

18、, which can be taken, essentially unaltered, into universal standard systems. This CIE Standard replaces ISO/CIE 10527:1991 and was approved by the CIE Board of Administration and the National Committees of the CIE. This CIE Standard has been prepared by CIE Division 2 “Physical measurement of light

19、 and radiation“. This standard contains only minor changes from the previous standard, in particular the values in the tables of the colour matching functions and chromaticity coordinates of the CIE 1931 and 1964 standard colorimetric observers are identical with the previous standard, but it has no

20、w been clarified that they apply for standard air. TABLE OF CONTENTS FOREWORD vii INTRODUCTION 1 1. SCOPE 1 2. NORMATIVE REFERENCES 1 3. DEFINITIONS 1 4. SPECIFICATIONS 3 4.1 Colour-matching functions 4.2 Spectral chromaticity coordinates 3 5. DERIVATION OF THE COLOUR-MATCHING FUNCTIONS FOR THE CIE

21、1931 STANDARD COLORIMETRIC OBSERVER 5.1 Experimental basis 5.2 Transformation procedures 4 5.3 Transformation properties 5.4 Comparison with earlier data 6. DERIVATION OF THE COLOUR-MATCHING FUNCTIONS FOR THE CIE 1964 STANDARD COLORIMETRIC OBSERVER 5 6.1 Experimental basis 6.2 Transformation procedu

22、res 6.3 Transformation properties 6.4 Comparison with earlier data 7. PRACTICAL APPLICATION OF COLOUR-MATCHING FUNCTIONS FOR CIE STANDARD COLORIMETRIC OBSERVERS 5 7.1 Obtaining tristimulus values 7.2 The basis for integration 6 7.3 Rod activity 7.4 The use of restricted data 7.5 Standard of reflecta

23、nce TABLE 1. COLOUR-MATCHING FUNCTIONS A ND CHROMATICITY COORDINATES OF CIE 1931 STANDARD COLORIMETRIC OBSERVER 7 TABLE 2. COLOUR-MATCHING FUNCTIONS A ND CHROMATICITY COORDINATES OF CIE 1964 STANDARD COLORIMETRIC OBSERVER 18 ANNEX: BIBLIOGRAPHY (INFORMATIVE) 29 CIE, 2006 ISO 11664-1:2007(E) COLORIME

24、TRY - PART 1: CIE STANDARD COLORIMETRIC OBSERVERS INTRODUCTION Colours with different spectral compositions can look alike. An important function of colorimetry is to determine whether a pair of such metameric colours will look alike. The use of visual colorimeters for this purpose is handicapped by

25、 variations in the colour matches made amongst observers classified as having normal colour vision. Visual colorimetry also tends to be time-consuming. For these reasons, it has long been the practice in colorimetry to make use of sets of colour-matching functions to calculate tristimulus values for

26、 colours: equality of tristimulus values for a pair of colours indicates that the colour appearances of the two colours match, when they are viewed in the same conditions by an observer for whom the colour-matching functions apply. The use of standard sets of colour-matching functions makes the comp

27、arison of tristimulus values obtained at different times and locations possible. 1. SCOPE This International Standard specifies colour-matching functions for use in colorimetry. Two sets of colour-matching functions are specified. a) Colour-matching functions for the CIE 1931 standard colorimetric o

28、bserver This set of colour-matching functions is representative of the colour-matching properties of observers with normal colour vision for visual field sizes of angular subtense from about 1 to about 4, for vision at photopic levels of adaptation. b) Colour-matching functions for the CIE 1964 stan

29、dard colorimetric observer This set of colour-matching functions is representative of the colour-matching properties of observers with normal colour vision for visual field sizes of angular subtense greater than about 4, for vision at sufficiently high photopic levels and with spectral power distrib

30、utions such that no participation of the rod receptors of the retina is to be expected. 2. NORMATIVE REFERENCES The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition

31、of the referenced document (including any amendments) applies. CIE 15:2004. Colorimetry, 3rdedition. CIE 17.4-1987. International lighting vocabulary (ILV) - Joint publication IEC/CIE. 3. DEFINITIONS For the purposes of this International Standard, the following definitions apply. These definitions

32、are taken from CIE 17.4-1987, where other relevant terms will also be found. 3.1 colour stimulus function, () (see ILV 845-03-03) description of a colour stimulus by the spectral concentration of a radiometric quantity (such as radiance or radiant power) as a function of wavelength 3.2 relative colo

33、ur stimulus function, () (see ILV 845-03-04) relative spectral power distribution of the colour stimulus function CIE S 014-1/E:2006 CIE 2006 All rights reserved ISO 2007 All rights reserved 1ISO 11664-1:2007(E) 3.3 metameric colour stimuli; metamers (see ILV 845-03-05) spectrally different colour s

34、timuli that have the same tristimulus values 3.4 monochromatic stimulus: spectral stimulus (see ILV 845-03-08) stimulus consisting of a monochromatic radiation 3.5 equi-energy spectrum (see ILV 845-03-14) spectrum of a radiation whose spectral concentration of a radiometric quantity as a function of

35、 wavelength is constant throughout the visible region 3.6 additive mixture of colour stimuli (see ILV 845-03-15) method of stimulation that combines on the retina the actions of various stimuli in such a manner that they cannot be perceived individually 3.7 colour matching (see ILV 845-03-16) action

36、 of making a colour stimulus appear the same in colour as a given colour stimulus 3.8 trichromatic system (see ILV 845-03-20) system for specifying colour stimuli in terms of tristimulus values based on matching colours by additive mixture of three suitably chosen reference colour stimuli 3.9 refere

37、nce colour stimuli, R, G, B; X, Y, Z; X10, Y10, Z10; etc. (see ILV 845-03-21) set of three colour stimuli on which a trichromatic system is based 3.10 tristimulus values, R, G, B; X, Y, Z; X10, Y10, Z10; etc. (see ILV 845-03-22) amounts of three reference colour stimuli, in a given trichromatic syst

38、em, required to match the colour of the stimulus considered 3.11 colour-matching functions, ( ) ( ) ( ) bg , ; r ( ) ( ) ( ) zyx , ; ( ) () ()10z ; etc. tristimulus values of monochromatic stimuli of equal radiant power of reference r-matching functions 1010, yx(see ILV 845-03-23) 3.12 CIE 1931 stan

39、dard colorimetric system (X, Y, Z) (see ILV 845-03-28) system for determining the tristimulus values of any spectral power distribution using the set colour stimuli X, Y, Z, and the three CIE colou() () () zyx , adopted by the CIE in 1931 and defined in this standard hree CIE colour-matching functio

40、ns 3.13 CIE 1964 standard colorimetric system (X10, Y10, Z10) (see ILV 845-03-29) system for determining the tristimulus values of any spectral power distribution using the set of reference colour stimuli X10, Y10, Z10, and the t() () ()101010, zyx adopted by the CIE in 1964 and defined in this stan

41、dard 3.14 CIE colour-matching functions (see ILV 845-03-30) functions () () () zyx , in the CIE 1931 standard colorimetric system and () () ()101010, zyx in the CIE 1964 standard colorimetric system 3.15 CIE 1931 standard colorimetric observer (see ILV 845-03-31) ideal observer whose colour-matching

42、 properties correspond to the CIE colour-matching () () () zyx , functions 3.16 CIE 1964 standard colorimetric observer (see ILV 845-03-32) ideal observer whose colour-matching properties correspond to the CIE colour-matching functions () ( ) ()101010, zyx CIE S 014-1/E:20062 CIE 2006 All rights res

43、erved ISO 2007 All rights reservedISO 11664-1:2007(E) 3.17 chromaticity coordinates, r, g, b; x, y, z; x10, y10, z10; etc. (see ILV 845-03-33) ratio of each of a set of three tristimulus values to their sum ticity coordinates, r(), g(), b(); x(), y(), z(); x10(), y10(), z10(); etc. photometric condi

44、tions and mis chosen so eal isotropic diffuser with a reflectance equal to unity s 3.18 spectral chroma(see ILV 845-03-36) chromaticity coordinates of monochromatic stimuli 3.19 spectral luminous efficiency, V() (see ILV 845-01-22) ratio of the radiant flux at wavelength mto that at wavelength , suc

45、h that both radiations produce an equal visual response under specifiedthat the maximum value of this ratio is equal to 1 3.20 perfect reflecting diffuser (see ILV 845-04-54) id4. SPECIFICATIONS 4.1 Colour-matching functionThe colour-matching functions () ( ) ( ) zyx , of the CIE 1931 standard color

46、imetric observer are defined by the values given in Table 1, and those ( ) ( ) ( )101010, zyx of the CIE 1964 standard colorimetric observer are defined by the values given in Table 2. The values are given at 1 nm wavelength intervals from 360 nm to 830 nm. If values are required at closer 10 10 10e

47、se have been derived from the appropriate colour-matching functions by forming the ratios: wavelength intervals than 1 nm, they should be derived by linear interpolation. 4.2 Spectral chromaticity coordinates Tables 1 and 2 also give values for the spectral chromaticity coordinates, x(), y(), z(); x

48、 (), y (), z (); th()()() () ()zyxx+= x , ()( )() () ()zyxy+= y and ()()() () ()zyxz+= z ()( )() () ()10101010()()() () ()10101010zyx +10xx= , 10yzyxy+= and ()()() () ()1010101010zzyxz+= Note: All wavelengths are for standard air. our-matching functions, 5. DERIVATION OF THE COLOUR-MATCHING FUNCTION

49、S FOR THE CIE 1931 STANDARD COLORIMETRIC OBSERVER 5.1 Experimental basis The CIE 1931 col ( ) ( ) ( ) zyx , were derived from experimental work carried out by Wright (1928-1930) and by Guild (1931) in which a total of 17 observers uli of the spectrum, over the range of about 400 nm to matched the monochromatic stim700 nm, with additive mixtures of red, green and blue li