1、 IEC 61966-9 Edition 2.0 2003-11 INTERNATIONAL STANDARD NORME INTERNATIONALE Multimedia systems and equipment Colour measurement and management Part 9: Digital cameras Systmes et appareils multimdia Mesure et gestion de la couleur Partie 9: Appareils numriques de prise de vue IEC 61966-9:2003 colour
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16、ANDARD NORME INTERNATIONALE Multimedia systems and equipment Colour measurement and management Part 9: Digital cameras Systmes et appareils multimdia Mesure et gestion de la couleur Partie 9: Appareils numriques de prise de vue INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE IN
17、TERNATIONALE V ICS 33.160.60; 35.040; 37.040 PRICE CODE CODE PRIX ISBN 978-2-83220-607-2 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distri
18、butor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. colour inside 2 61966-9 IEC:2003 CONTENTS FOREWORD . 4 1 Scope . 6 2 Normative references 6 3 Terms and definitions . 7 4 Conditions 7 4.1 Environmental conditions . 7 4.2 Conditions of measuremen
19、ts 7 5 Measurement equipment . 9 5.1 Spectral light source 9 5.2 Colour temperature conversion filter 9 5.3 Dark box 9 5.4 Test charts 11 5.5 Radiance meter . 13 5.6 Spectro-radiometer 14 5.7 Luminance meter . 14 6 Tone characteristics . 14 6.1 Characteristics to be measured 14 6.2 Measurement condi
20、tions 14 6.3 Method of measurement 15 6.4 Presentation of results . 15 7 Spectral responsivity characteristics 17 7.1 Characteristics to be measured 17 7.2 Measurement conditions 17 7.3 Method of measurement 17 7.4 Presentation of results . 18 8 Spectral distribution of built-in electronic flash . 1
21、9 8.1 Characteristics to be measured 19 8.2 Measurement conditions 19 8.3 Method of measurement 19 8.4 Presentation of results . 20 9 Spatial non-uniformity . 20 9.1 Characteristics to be measured 20 9.2 Measurement conditions 20 9.3 Method of measurement 20 9.4 Presentation of results . 21 Annex A
22、(normative) Letters and symbols . 23 Annex B (informative) Procedure to calculate the inverse function 24 Annex C (informative) Example of the use of the reported results for colour management . 25 Annex D (normative) Method to compensate spectral responsivity characteristics at the neutral point 28
23、 Annex E (informative) Automated extraction of data from the test chart image 29 Bibliography 31 61966-9 IEC:2003 3 Figure 1 Equipment arrangement for measurements . 8 Figure 2 Dark box. 10 Figure 3 Test chart 1 11 Figure 4 Test chart 2 with replaceable chip i . 12 Figure 5 Test chart 3 12 Figure 6
24、Example plot of tone characteristics (correlated colour temperature: 5 500 K) . 16 Figure 7 Example of spectral responsivity characteristics (correlated colour temperature: 5 500 K) . 19 Figure 8 Example of the spectral distribution characteristics of a built-in electronic flash . 20 Figure 9 Equipm
25、ent arrangement for measurement of spatial non-uniformity . 21 Figure C.1 An example of spectral responsivity controlled to approximate the ideal scRGB characteristics superimposed as the broken curves . 27 Figure E.1 Example to compare a typical optical viewfinder area and the corresponding image s
26、ensible area (outer rectangle) . 29 Figure E.2 Test chart with extended orientation markers . 29 Table 1 Nominal reflectances of the grey-scale section and the grey chips 13 Table 2 Example of tone characteristics (correlated colour temperature: 5 500 K) . 16 Table 3 An example of reporting form for
27、 spatial non-uniformity 22 4 61966-9 IEC:2003 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ MULTIMEDIA SYSTEMS AND EQUIPMENT COLOUR MEASUREMENT AND MANAGEMENT Part 9: Digital cameras FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization compris
28、ing all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standar
29、ds, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this prepara
30、tory work. International, governmental and non- governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organiza
31、tions. 2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of
32、recommendations for international use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation
33、by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regiona
34、l publication shall be clearly indicated in the latter. 5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any equipment declared to be in conformity with an IEC Publication. 6) All users should ensure that they have the latest edition of this public
35、ation. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, o
36、r for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the corre
37、ct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 61966-9 has been prepared by
38、 IEC technical committee 100: Audio, video and multimedia systems and equipment. This bilingual version (2013-03) corresponds to the monolingual English version, published in 2003-11. This second edition cancels and replaces the first edition published in 2000. This edition includes the following si
39、gnificant technical changes from the previous edition. a) In the light of issuing IEC 61966-2-2, the relevant reference IEC 61966-2-1 in Annex C has been replaced by IEC 61966-2-2 together with sRGB by scRGB. b) The previous Annex C has been replaced by the new Annex C where the previous Figure C.1
40、has been deleted. 61966-9 IEC:2003 5 The text of this standard was submitted to the national committees for voting under the Fast Track Procedure as the following documents: CDV Report on voting 100/666/CDV 100/722/RVC Full information on the voting for the approval of this standard can be found in
41、the report on voting indicated in the above table. The French version of this standard has not been voted upon. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. IEC 61966 consists of the following parts, under the general title Multimedia systems and equipment Col
42、our measurement and management: Part 1: General Part 2-0: Colour management Part 2-1: Colour management Default RGB colour space sRGB Part 2-2: Colour management Extended RGB colour space scRGB Part 3: Equipment using cathode ray tubes Part 4: Equipment using liquid crystal display panels Part 5: Eq
43、uipment using plasma display panels Part 6: Front projection displays Part 7-1: Colour printers Reflective prints RGB inputs Part 7-2: Colour printers Reflective prints CMYK inputs Part 8: Multimedia colour scanners Part 9: Digital cameras Part 10: Quality assessment Colour image in network systems
44、Part 11: Quality assessment Impaired video in network systems The committee has decided that the contents of this publication will remain unchanged until 2008. At this date, the publication will be reconfirmed; withdrawn; replaced by a revised edition, or amended. IMPORTANT The colour inside logo on
45、 the cover page of this publication indicates that it contains colours which are considered to be useful for the correct understanding of its contents. Users should therefore print this document using a colour printer. 6 61966-9 IEC:2003 MULTIMEDIA SYSTEMS AND EQUIPMENT COLOUR MEASUREMENT AND MANAGE
46、MENT Part 9: Digital cameras 1 Scope This part of IEC 61966 is applicable to the assessment of colour reproduction of digital cameras used in open computer systems and similar applications. A series of methods and parameters for colour measurements and management for use in multimedia systems and eq
47、uipment is applicable to the assessment of colour reproduction. This standard deals with digital cameras to capture colour still images and moving images for use in multimedia applications. The methods of measurement standardized in this standard are designed to make possible the objective performan
48、ce assessment and characterization of the colour reproduction of digital cameras which can capture colour still and moving images, and output colour information corresponding to red green blue digital image data. The measured results are intended to be used for the purpose of colour management in mu
49、ltimedia systems, typically in the Internet. This standard defines test charts, measurement conditions and methods of measurement, so as to make possible the colour management in open multimedia systems and comprehensive comparison of the results of measurements for assessment of digital cameras. Colour control within digital cameras is outwith the scope
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