IEC 61966-2-5-2007 Multimedia systems and equipment - Colour measurement and management - Part 2-5 Colour management - Optional RGB colour space - opRGB《多媒体系统和设.pdf
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1、 IEC 61966-2-5 Edition 1.0 2007-11 INTERNATIONAL STANDARD Multimedia systems and equipment Colour measurement and management Part 2-5: Colour management Optional RGB colour space opRGB IEC 61966-2-5:2007(E) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2007 IEC, Geneva, Switzerland All rights re
2、served. 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 IEC or IECs member National Committee in the country of the requester.
3、If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or your local IEC member National Committee for further information. IEC Central Office 3, rue de Varemb CH-1211 Geneva 20 Switzerland Email: inmai
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5、s kept under constant review by the IEC. Please make sure that you have the latest edition, a corrigenda or an amendment might have been published. Catalogue of IEC publications: www.iec.ch/searchpub The IEC on-line Catalogue enables you to search by a variety of criteria (reference number, text, te
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8、r Service Centre: www.iec.ch/webstore/custserv If you wish to give us your feedback on this publication or need further assistance, please visit the Customer Service Centre FAQ or contact us: Email: csciec.ch Tel.: +41 22 919 02 11 Fax: +41 22 919 03 00 IEC 61966-2-5 Edition 1.0 2007-11 INTERNATIONA
9、L STANDARD Multimedia systems and equipment Colour measurement and management Part 2-5: Colour management Optional RGB colour space opRGB INTERNATIONAL ELECTROTECHNICAL COMMISSION S ICS 17.180.20; 33.160.60 PRICE CODE ISBN 2-8318-9350-X 2 61966-2-5 IEC:2007(E) CONTENTS FOREWORD.3 INTRODUCTION.5 1 Sc
10、ope.6 2 Normative references .6 3 Terms and definitions .6 4 Reference conditions8 4.1 Reference image display system characteristics8 4.2 Reference viewing conditions 8 4.3 Reference observer.9 5 Encoding transformations .9 5.1 Introduction .9 5.2 Transformation from opRGB values to CIE 1931 XYZ va
11、lues.9 5.3 Transformation from CIE 1931 XYZ values to opRGB values.9 Annex A (normative) Transformation between opRGB values and YCC values for image compression.11 Annex B (informative) Example transformation between opRGB values and sYCC values.14 Annex C (informative) Example interpretation for c
12、olour image encoding specifications 19 Bibliography21 Table 1 CIE chromaticities and CIE standard illuminant .8 61966-2-5 IEC:2007(E) 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ MULTIMEDIA SYSTEMS AND EQUIPMENT COLOUR MEASUREMENT AND MANAGEMENT Part 2-5: Colour management Optional RGB colour space
13、 opRGB FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization
14、 in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entr
15、usted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non- governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the Inter
16、national Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 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
17、each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of 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
18、 IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation 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
19、their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional 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 dec
20、lared to be in conformity with an IEC Publication. 6) All users should ensure that they have the latest edition of this publication. 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 Nation
21、al Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or 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
22、drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correct 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
23、not be held responsible for identifying any or all such patent rights. International Standard IEC 61966-2-5 has been prepared by technical area 2: Colour measurement and management, of IEC technical committee 100: Audio, video and multimedia systems and equipment. The text of this standard is based
24、on the following documents: CDV Report on voting 100/1212/CDV 100/1282/RVC Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. 4 61966-
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