1、 IEC 61966-2-5Edition 1.0 2007-11INTERNATIONAL 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)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOO
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9、2 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IEC 61966-2-5Edition 1.0 2007-11INTERNATIONAL STANDARD Multimedia systems and equipment Colour measurement and management Part 2-5:Colour management Optional RGB
10、 colour space opRGB INTERNATIONAL ELECTROTECHNICAL COMMISSION SICS 17.180.20;33.160.60 PRICE CODEISBN 2-8318-9350-XLICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 61966-2-5 IEC:2007(E)CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 No
11、rmative references.6 3 Terms and definitions.6 4 Reference conditions.8 4.1 Reference image display system characteristics.8 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 values.9 5.3 T
12、ransformation 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 colour image encodi
13、ng specifications.19 Bibliography.21 Table 1 CIE chromaticities and CIE standard illuminant.8 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.61966-2-5 IEC:2007(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ MULTIMEDIA SYSTEMS AND EQU
14、IPMENT COLOUR MEASUREMENT AND MANAGEMENT Part 2-5:Colour management Optional RGB colour space 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
15、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 Standards,Technical Specifications,Technical Reports,Publicly Available Specifications(PAS)and
16、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 preparatory 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 organizatio
