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    BS ISO CIE 11664-6-2014 Colorimetry CIEDE2000 Colour-difference formula《比色测定法 CIEDE2000色差公式》.pdf

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    BS ISO CIE 11664-6-2014 Colorimetry CIEDE2000 Colour-difference formula《比色测定法 CIEDE2000色差公式》.pdf

    1、BS ISO/CIE 11664-6:2014ColorimetryPart 6: CIEDE2000 Colour-differenceformulaCopyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS ISO/CIE 11664-6:2014 BRITISH STANDARDNa

    2、tional forewordThis British Standard is the UK implementation of ISO/CIE11664-6:2014.The UK participation in its preparation was entrusted to TechnicalCommittee STI/14, Colour measurement and schedules.A list of organizations represented on this committee can beobtained on request to its secretary.T

    3、his publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 82701 3ICS 17.180.20Compliance with a British Standard cannot confer i

    4、mmunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 28 February 2014.Amendments issued since publicationDate Text affectedCopyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled C

    5、opy Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS ISO/CIE 11664-6:2014Reference number ISO/CIE 11664-6:2014(E)ISO/CIE 2014 INTERNATIONAL STANDARD ISO/CIE 11664-6 First edition 2014-02-01 Colorimetry Part 6: CIEDE2000 Colour-difference formula Colorimtrie Parti

    6、e 6: Formule dcart de couleur CIEDE2000 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS ISO/CIE 11664-6:2014ISO/CIE 11664-6:2014(E) COPYRIGHT PROTECTED DOCUMENT IS

    7、O/CIE 2014 . ISO copyright office CIE Central Bureau Case postale 56 CH-1211 Geneva 20 Babenbergerstrae 9/9A A-1010 Vienna Tel. + 41 22 749 01 11 Tel. + 43 1 714 3187 Fax + 41 22 749 09 47 E-mail copyrightiso.org E-mail ciecbcie.co.at Web www.iso.org Web www.cie.co.at Published in Switzerland ii ISO

    8、/CIE 2014 All rights reserved All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permissio

    9、n. Permission can be requested from either ISO or CIE at the respective addresses below. Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS ISO/CIE 11664-6:2014ISO/CI

    10、E 11664-6:2014(E) ISO/CIE 2014 All rights reserved iii Foreword 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.

    11、 Each member body interested in a subject for which 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 Interna

    12、tional Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the diffe

    13、rent types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shal

    14、l not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents). Any trade name used in this document i

    15、s information given for the convenience of users and does not constitute an endorsement. For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT

    16、) see the following URL: Foreword - Supplementary information ISO/CIE 11664-6 was prepared by CIE Technical Committee TC 1-57 of Division 1 Vision and colour. as CIE S 014-6. ISO/CIE 11664 consists of the following parts, under the general title Colorimetry: Part 1: CIE standard colorimetric observe

    17、rs Part 2: CIE standard illuminants Part 3: CIE tristimulus values Part 4: CIE 1976 L*a*b* Colour space Part 5: CIE 1976 L*u*v* Colour space and u, v uniform chromaticity scale diagram Part 6: CIEDE2000 Colour-difference formula Copyright British Standards Institution Provided by IHS under license w

    18、ith BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS ISO/CIE 11664-6:2014Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without licen

    19、se from IHS-,-,-BS ISO/CIE 11664-6:2014ISO/CIE 11664-6:2014(E) v CIE S 014-6/E:2013International Standard Colorimetry Part 6: CIEDE2000 Colour-Difference Formula Colorimtrie Partie 6: Formule dcart de couleur CIEDE2000 Farbmessung Teil 6: CIEDE2000-Farbabstandsformel CIE International Standards are

    20、copyrighted and shall not be reproduced in any form, entirely or partly, without the explicit agreement of the CIE. CIE Central Bureau, Vienna CIE S 014-6/E:2013 UDC: 535.65:006 Descriptor: Standardisation of colour measurement 535.643.2 Standard colorimetric systems ISO/CIE 2014 All rights reserved

    21、 Babenbergerstrae 9/9A A-1010 ViennaCopyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS ISO/CIE 11664-6:2014vi ISO/CIE 2014 All rights reserved CIE 2013 This document

    22、is a CIE International Standard and is copyright-protected by CIE. 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 fro

    23、m CIE Central Bureau at the address below. CIE Central Bureau A-100 Vienna Austria Tel.: +43 1 714 3187 e-mail: ciecbcie.co.at www.cie.co.at ISO/CIE 11664-6:2014(E) Babenbergerstrae 9/9ACopyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleN

    24、o reproduction or networking permitted without license from IHS-,-,-BS ISO/CIE 11664-6:2014 ISO/CIE 2014 All rights reserved vii Foreword This CIE International Standard has been prepared by CIE Technical Committee TC 1-57*. It has been approved by the Board of Administration and Division 1 “Vision

    25、and Colour“ of the Commission Internationale de lEclairage and the CIE National Committees. The following ISO and IEC committees and working groups co-operated in the preparation of this International Standard: IEC TC100/TA2 (Audio, video and multimedia systems) ISO TC6 (Paper, board and pulps) ISO

    26、TC35/SC9/WG22 (Paints and varnishes) ISO TC38/SC1/WG7 (Textiles) ISO TC42 (Photography) ISO TC130 (Graphic technology) ISO/IEC/JTC1/SC28 (Office systems) * The chairperson of this TC was A.R. Robertson (CA), members were: P.J. Alessi (US), M. Brill (US), J. Campos Acosta (ES), E. Carter (US), R. Con

    27、nelly (US), J.-F. Decarreau (FR), R. Harold (US), R. Hirschler (HU), B. Jordan (CA), C. Kim (KR), D. McDowell (US), P. McGinley (AU), M. Melgosa (ES), Y. Ohno (US), M.R. Poin ter (GB), K. Richter (DE), G. Rsler (DE), J.D. Schanda (HU), R. Sve (FR), K. Witt (DE), H. Yaguchi (JP), J. Zwinkels (CA). In

    28、ternational Standards produced by the Commission Internationale de lEclairage are concise documents on aspects of light and lighting that require a unique definition. They are a primary source of internationally accepted and agreed data which can be taken, essentially unaltered, into universal stand

    29、ard systems. ISO/CIE 11664-6:2014(E) Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS ISO/CIE 11664-6:2014ISO/CIE 11664-6:2014(E) viii ISO/CIE 2014 All rights reser

    30、ved CONTENTS Foreword vii Introduction 1 1 Scope 1 2 Normative References 1 3 Definitions, Symbols and Abbreviations 1 4 Reference Conditions . 3 5 Calculation Method . 3 6 Parametric Factors . 6 Annex A (Informative) Three-Component Micro-Spaces . 7 Bibliography . 8 Copyright British Standards Inst

    31、itution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS ISO/CIE 11664-6:2014 ISO/CIE 2014 All rights reserved 1 Colorimetry Part 6: CIEDE2000 Colour-Difference Formula Introduction CIE 142-2001. Improvem

    32、ent to industrial colour-difference evaluation, 2001. CIE S 017/E:2011. ILV: International Lighting Vocabulary, 2011. ISO 11664-4:2008(E)/CIE S 014-4/ E:2007. Joint ISO/CIE Standard: Colorimetry Part 4: 1976 L*a*b* Colour Space, 2008. 3 Definitions, Symbols and Abbreviations For the purposes of this

    33、 International Standard, the terms and definitions given in CIE S 017/E:2011 (International Lighting Vocabulary), and the following symbols and abbreviations apply. The three-dimensional colour space produced by plotting CIE tristimulus values (X, Y, Z) in rectangular coordinates is not visually uni

    34、form, nor is the (x, y, Y) space nor the two-dimensional CIE (x, y) chromaticity diagram. Equal distances in these spaces and diagrams do not represent equally perceptible differences between colour stimuli. For this reason the CIE has standardized two more-nearly uniform colour spaces (known as CIE

    35、LAB and CIELUV) whose coordinates are non-linear functions of X, Y and Z. Numerical values representing approximately the relative magnitude of colour differences can be described by simple Euclidean distances in these spaces or by more sophisticated colour-difference formulae that improve the corre

    36、lation with the relative perceived size of differences. The purpose of this CIE International Standard is to define one such formula, the CIEDE2000 formula. The Standard is based on CIE Technical Report 142-2001. The formula is an extension of the CIE 1976 L*a*b* colour-difference formula (ISO 11664

    37、-4:2008(E)/CIE S 014-4/E:2007) with corrections for variation in colour-difference perception dependent on lightness, chroma, hue and chroma-hue interaction. Reference conditions define material and viewing environment characteristics to which the formula applies. 1 Scope This CIE International Stan

    38、dard specifies the method of calculating colour differences according to the CIEDE2000 formula. The Standard is applicable to input values of CIELAB L*, a*, b* coordinates calculated according to ISO 11664-4:2008(E)/CIE S 014-4/E:2007. The Standard may be used for the specification of the colour dif

    39、ference between two colour stimuli perceived as belonging to reflecting or transmitting objects. This includes displays, if they are being used to simulate reflecting or transmitting objects and if the tristimulus values representing the stimuli are appropriately normalized. The Standard does not ap

    40、ply to colour stimuli perceived as belonging to areas that appear to be emitting light as primary light sources, or that appear to be specularly reflecting such light. 2 Normative References The following referenced documents are indispensable for the application of this document. For dated referenc

    41、es, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO/CIE 11664-6:2014(E) Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or ne

    42、tworking permitted without license from IHS-,-,-BS ISO/CIE 11664-6:2014ISO/CIE 11664-6:2014(E) 2 ISO/CIE 2014 All rights reserved L* CIELAB lightness a*, b* CIELAB a*,b* coordinates *abC CIELAB chroma abh CIELAB hue angle L CIEDE2000 lightness L arithmetic mean of the CIEDE2000 lightnesses of two co

    43、lour stimuli a, b CIEDE2000 a, b coordinates C CIEDE2000 chroma C arithmetic mean of the CIEDE2000 chromas of two colour stimuli h CIEDE2000 hue angle h arithmetic mean of the CIEDE2000 hue angles of two colour stimuli G switching function used in the modification of a* L CIEDE2000 lightness differe

    44、nce C CIEDE2000 chroma difference h CIEDE2000 hue-angle difference H CIEDE2000 hue difference E00CIEDE2000 colour difference SLlightness weighting function SCchroma weighting function SHhue weighting function T T-function for hue weighting RTrotation function hue dependence of rotation function RCch

    45、roma dependence of rotation function kLlightness parametric factor kCchroma parametric factor kHhue parametric factor Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-

    46、BS ISO/CIE 11664-6:2014 ISO/CIE 2014 All rights reserved 3 4 Reference Conditions The CIEDE2000 formula is intended to be applicable to objects viewed under the following reference conditions: Illumination: source simulating the relative s pectral irradiance of CIE Standard Illuminant D65. Illuminan

    47、ce: 1 000 lx. Observer: normal colour vision. Background field: uniform, neutral grey with L*= 50. Viewing mode: object. Sample size: sample pair subtending a visual angle greater than 4. Sample separation: minimum sample separation achieved by placing the sample pair in direct edge contact. Sample

    48、colour-difference magnitude: 0 to 5 CIELAB units. Sample structure: homogeneous colour without visually apparent pattern or non-uniformity. When conditions of use deviate appreciably from the reference conditions, parametric factors may be used to correct for the effects of material or experimental variables, as described in Clause 6. NOTE 1 A proposed Technical Report of CIE T C 1-63 “Validity of the Range of


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