1、INTERNATIONALSTANDARDIEC61966-2-2First edition2003-01Multimedia systems and equipment Colour measurement and management Part 2-2:Colour management Extended RGB colour space-scRGBMesure et gestion de la couleur dans les systmeset appareils multimdia Partie 2-2:Gestion de la couleur Espace chromatique
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9、AU.INTERNATIONALSTANDARDIEC61966-2-2First edition2003-01Multimedia systems and equipment Colour measurement and management Part 2-2:Colour management Extended RGB colour space-scRGBMesure et gestion de la couleur dans les systmeset appareils multimdia Partie 2-2:Gestion de la couleur Espace chromati
10、que RVB tendu-scRVB IEC 2003 Copyright-all rights reservedNo part of this publication may be reproduced or utilized in any form or by any means,electronic ormechanical,including photocopying and microfilm,without permission in writing from the publisher.International Electrotechnical Commission,3,ru
11、e de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.chPFor price,see current cataloguePRICE CODELICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 61966
12、-2-2 IEC:2003(E)CONTENTSFOREWORD.3INTRODUCTION.51Scope.62Normative references.63 Definitions.64Encoding characteristics.74.1General.74.2Transformation from CIE 1931 XYZ values to 16-bit scRGB values()()()161616scRGBscRGBscRGB,BGR).74.3Transformation from 16-bit scRGB values()()()161616scRGBscRGBscRG
13、B,BGR)to CIE 1931 XYZ values.7Annex A(informative)Simple transformation between 8-bit sRGB and 16-bit scRGBvalues.8Annex B(informative)Non-linear encoding for scRGB:scRGB-nl and its YCCTransformation:scYCC-nl.10Annex C(informative)scRGB background information.12Bibliography.16Figure C.1 Example work
14、flow using scRGB.15Table B.1 Quantization relationships using scRGB.11LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.61966-2-2 IEC:2003(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION_MULTIMEDIA SYSTEMS AND EQUIPMENT COLOUR MEASUREMENT
15、AND MANAGEMENT Part 2-2:Colour management Extended RGB colour space scRGBFOREWORD1)The IEC(International Electrotechnical Commission)is a worldwide organization for standardization comprisingall national electrotechnical committees(IEC National Committees).The object of the IEC is to promoteinternat
16、ional co-operation on all questions concerning standardization in the electrical and electronic fields.Tothis end and in addition to other activities,the IEC publishes International Standards.Their preparation isentrusted to technical committees;any IEC National Committee interested in the subject dealt with mayparticipate in this preparatory work.International,governmental and non-governmental organizations liaisingwith the IEC also participate in this preparation.The IEC collaborates closely w
