EN 61966-7-1-2006 en Multimedia Systems and Equipment - Colour Measurement and Management Part 7-1 Colour Printers - Reflective Prints - RGB Inputs《多媒体系统和设备 颜色测量和管理 第7-1部分 彩色打印机 反射.pdf

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1、BRITISH STANDARDBS EN 61966-7-1:2006Multimedia systems and equipment Colour measurement and management Part 71: Colour printers Reflective prints RGB inputsThe European Standard EN 61966-7-1:2006 has the status of a British StandardICS 33.160.60; 35.180; 37.100.10g49g50g3g38g50g51g60g44g49g42g3g58g4

2、4g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 61966-7-1:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 October

3、 2006 BSI 2006ISBN 0 580 49416 0National forewordThis British Standard was published by BSI. It is the UK implementation of EN 61966-7-1:2006. It is identical with IEC 61966-7-1:2006. It supersedes BS EN 61966-7-1:2002 which will be withdrawn on 1 July 2009.The UK participation in its preparation wa

4、s entrusted to Technical Committee EPL/100, Audio, video and multimedia systems and equipment.A list of organizations represented on EPL/100 can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for

5、its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARD EN 61966-7-1 NORME EUROPENNE EUROPISCHE NORM August 2006 CENELEC European Committee for Electrotechnical Standardization

6、 Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2006 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 61966-7-1:2006 E ICS

7、 33.160.60; 35.180; 37.100.10 Supersedes EN 61966-7-1:2002English version Multimedia systems and equipment - Colour measurement and management Part 7-1: Colour printers - Reflective prints - RGB inputs (IEC 61966-7-1:2006) Systmes et appareils multimdia -Mesure et gestion de la couleur Partie 7-1: I

8、mprimantes couleur - Imprims par rflexion - Entres RVB (CEI 61966-7-1:2006) Multimediasysteme und -gerte - Farbmessung und Farbmanagement Teil 7-1: Farbdrucker - Reflektierende Drucke - RGB-Eingnge (IEC 61966-7-1:2006) This European Standard was approved by CENELEC on 2006-07-01. CENELEC members are

9、 bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to t

10、he Central Secretariat or to any CENELEC member. This European Standard exists in two official versions (English and German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same st

11、atus as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Po

12、rtugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Foreword The text of document 100/1061/FDIS, future edition 2 of IEC 61966-7-1, prepared by IEC TC 100, Audio, video and multimedia systems and equipment, was submitted to the IEC-CENELEC parallel vote and was ap

13、proved by CENELEC as EN 61966-7-1 on 2006-07-01. This European Standard supersedes EN 61966-7-1:2002. This European Standard includes the following technical changes with respect to EN 61966-7-1:2002: a) In addition to the default illuminant, D50, D65, F11 and illuminant A were added as optional ill

14、uminants. b) The numbering of the colour patches in the test-chart file was changed for easy understanding of the measurement location. c) Two test-chart files: short-term instability test chart and spatial non-uniformity test chart were added. The following dates were fixed: latest date by which th

15、e EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2007-04-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2009-07-01 Annex ZA has been added by CENELEC. _ Endorsement notice The text

16、 of the International Standard IEC 61966-7-1:2006 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following note has to be added for the standard indicated: IEC 61966-2-1 NOTE Harmonized as EN 61966-2-1:2000 (not modified). _ EN

17、 61966-7-1:2006 2 INTERNATIONAL STANDARD IEC61966-7-1Second edition2006-05Multimedia systems and equipment Colour measurement and management Part 7-1: Colour printers Reflective prints RGB inputs Reference number IEC 61966-7-1:2006(E) EN 61966-7-1:2006CONTENTS INTRODUCTION.6 1 Scope.7 2 Normative re

18、ferences .7 3 Terms and definitions .7 4 Letters and symbols .9 5 Conditions 9 5.1 Environmental conditions 9 5.2 Sampling conditions 10 5.3 Measurement conditions11 5.4 Method of calculation 12 6 Spectral characteristics 14 6.1 Attributes to be measured .14 6.2 Method of measurement14 6.3 Presentat

19、ion of the result 14 7 Basic colorimetric characteristics15 7.1 Attribute to be measured .15 7.2 Method of measurement15 7.3 Presentation of the results.15 8 Tone reproduction characteristics.16 8.1 Attribute to be measured .16 8.2 Method of measurement16 8.3 Presentation of the results.17 9 Spatial

20、 non-uniformity characteristics .18 9.1 Attribute to be measured .18 9.2 Method of measurement18 9.3 Presentation of the result 18 10 Temporal instability characteristics.19 10.1 Short-term instability .19 10.2 Long-term instability20 11 Dependency on illuminant characteristics .23 Annex A (normativ

21、e) Values in the colour test-chart file .26 Annex B (normative) Specification of the measurement positions in the spatial non-uniformity test-chart file and the reporting form .32 Annex C (normative) Specification for the measurement of short-term instability characteristics 37 Annex D (informative)

22、 Estimation of effect for backing material change .38 Annex E (informative) Layout of the colour test-chart file reproduced as a reflective print 39 Annex F (informative) Layout of the spatial non-uniformity test-chart file reproduced as a reflective print .40 Annex G (informative) Layout of the sho

23、rt-term instability test-chart file reproduced as a reflective print 41 Bibliography42 EN 61966-7-1:2006 4 Annex ZA (normative) Normative references to international publications with their corresponding European publications 43 Figure 1 Spectral reflectance of the primary and secondary saturated co

24、lours, and white, grey and black 15 Figure 2 Example plots for gamut of colours in the CIE 1976 *baL colour space16 Figure 3 An example of reporting tone reproduction characteristics17 Table 1 Reference to Table A.1 .14 Table 2 Reference to Table A.3 .17 Table 3 Conditions for sampling and measureme

25、nts 19 Table 4 Specification of data in the colour test chart file and the form for reporting the result in the long-term instability measurement .22 Table 5 Specification of colour patches23 Table 6 Specification of data in the colour test chart file and the form of reporting the result of dependen

26、cy on illuminants measurement .24 Table 7 Specification of data in the colour test chart file and the form of reporting the result of dependency on illuminants measurement .25 Table A.1 Specification of the colour test chart file and the form for reporting Primary colours.26 Table A.2 Specification

27、of the colour test-chart file and the form for reporting 6-by-6-by-6 cubic data 26 Table A.3 Specification of the colour test-chart file and the form for reporting Data and form for gradation 30 Table B.1 Form of reporting with measurement positions .32 Table C.1 Short-term instability characteristi

28、cs 37 EN 61966-7-1:2006 5 INTRODUCTION This part of IEC 61966 is applicable to characterization of colour printers that produce colour on opaque substrate corresponding to digital data files in which colour image information is expressed in a redgreenblue colour space. The characterization will be r

29、ealized by objective measurements to be utilized for colour management in open systems. The measured and reported results are used to relate the equipment-dependent and undefined red greenblue colour space to the default RGB colour space defined as the sRGB by IEC 61966-2-1. This standard is also ap

30、plicable to assessment of colour image attributes on reflective prints reproduced from colour digital image files. The recommended usage of the standard is for evaluation of the output of home and office RGB printers. EN 61966-7-1:2006 6 MULTIMEDIA SYSTEMS AND EQUIPMENT COLOUR MEASUREMENT AND MANAGE

31、MENT Part 7-1: Colour printers Reflective prints RGB inputs 1 Scope This part of IEC 61966 specifies a set of data in colour test chart files for measurements, sampling of successive prints, measurement conditions and forms of reporting the results so as to make possible the characterization of the

32、colour printer and comparison of the results of measurements. The sets of data for measurements are in colour test chart files expressed in a redgreenblue colour space, to which corresponding colour images are reproduced on reflective substrate. The methods of measurement in this standard are design

33、ed to be applicable to reflective colour prints for consumer use. The reflective colour prints may be produced by non-impact colour printers, incorporating such technologies as ink-jet, sublimation transfer, thermal transfer, electro-photography and other similar technologies. This standard does not

34、 specify limiting values for various attributes. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including an

35、y amendments) applies. IEC 60050(845):1987, International Electrotechnical Vocabulary (IEV) Chapter 845: Lighting ISO 216:1975, Writing paper and certain classes of printed matter Trimmed sizes A and B series ISO/CIE 10526:1999, CIE standard illuminants for colorimetry ISO/CIE 10527:1991, CIE standa

36、rd colorimetric observers CIE 15, Colorimetry 3 Terms and definitions For the purposes of this document, terms and definitions which relate to lighting in IEC 60050(845), as well as the following, apply. 3.1 colour printer system composed of an application programme to handle colour digital image fi

37、les, a driver for equipment that produces colour images on a substrate, and the equipment itself which accepts equipment specific data for each input channel and is able to process by such technologies as ink jet, sublimation transfer, thermal transfer, or electro-photography and other similar techn

38、ologies NOTE The colour printer includes a system whereby the equipment that reproduces prints is connected direct to another piece of equipment in which a set of colour digital image data is contained. EN 61966-7-1:2006 7 3.2 driver software code which converts output data from an application progr

39、amme to feed a series of digital signals to the equipment which produces reflective prints 3.3 application programme any software which has access to the colour digital image file and output colour image information to the driver, and possibly renders the colour image on displays 3.4 consumable any

40、material necessary to run colour printers; for example, sheets of paper, toners, ink, fuser oil, etc. 3.5 half-tone screen set of rules for two-dimensional pixel layouts to render a tone 3.6 image visible two-dimensional representation of electronic signals intended to form a picture 3.7 substrate o

41、paque substance providing support for a medium 3.8 reflective print colour image reproduced on a piece of substrate 3.9 gamut of colours three-dimensional maximum range of reproducible colours expressed in the CIE 1976 *baL colour space defined in CIE15 3.10 primary colours colours used to define a

42、colour space incorporated in the colour digital image file NOTE Red, green and blue are the primary colours for this standard. 3.11 secondary colours colours to be defined by a mixture of two primary colours except black NOTE Cyan, magenta and yellow are the secondary colours for this standard. 3.12

43、 saturated colours primary colours and secondary colours intended to be reproduced corresponding to their maximum excitation of electronic signals NOTE Saturation means the maximum excitation purity (chromaticity) limited by each specific system. 3.13 reproduced colours colorimetric information meas

44、ured from the reflective print, expressed in the CIE 1976 colour space defined in CIE 15 EN 61966-7-1:2006 8 3.14 tone reproduction relationship between data in the colour digital image file which are intended to reproduce the images of primary, secondary and achromatic colours and the CIE 1976 ligh

45、tness values of reflective prints actually reproduced 3.15 characterization process of obtaining the spectral characteristics, basic colorimetric characteristics, tone reproduction characteristics, spatial non-uniformity characteristics, temporal instability characteristics or dependency on illumina

46、nt characteristics. In general, these characteristics relate the input RGB signal to some measured CIE colour values 3.16 electronic signal data prepared as a colour digital image file intended to form a picture 4 Letters and symbols The letters and symbols consistently adopted in this part of IEC 6

47、1966 are summarized below. sN Number of samples of reflective prints for measurements uN Metric in colour difference *abE for spatial non-uniformity within a page tN Metric in colour difference *abE for short-term instability among successive reflective prints p Printing speed of the colour printer

48、)(S Spectral power distribution of the illuminant D50 as default, D65, F11 and illuminant A optional )( Spectral reflectance of a printed image RD , GD , BD Digital data in integers fed to colour printers R , G , B Data normalized by 12N , where N is the number of bits per channel *L , *a , *b Colou

49、r in CIE 1976 UCS in reference to printed colour white (see also equation (4) NOTE Special attention should be given to the illuminant and illumination used. Future work is hoped for in this area for consumer situations. 5 Conditions 5.1 Environmental conditions Sampling and measurements shall be carried out within the environmental conditions specified by the manufacturer of the equipment that produces reflective prints, unless otherwise specified by thi