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    BS PD ISO PAS 15339-2-2015 Graphic technology Printing from digital data across multiple technologies Characterized reference printing conditions CRPC1-CRPC7《印刷技术 多技术的数字数据打印 有特征的参考印刷条件 CRPC1-CRPC7.pdf

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    BS PD ISO PAS 15339-2-2015 Graphic technology Printing from digital data across multiple technologies Characterized reference printing conditions CRPC1-CRPC7《印刷技术 多技术的数字数据打印 有特征的参考印刷条件 CRPC1-CRPC7.pdf

    1、BSI Standards Publication PD ISO/PAS 15339-2:2015 Graphic technology Printing from digital data across multiple technologies Part 2: Characterized reference printing conditions, CRPC1CRPC7PD ISO/PAS 15339-2:2015 PUBLISHED DOCUMENT National foreword This Published Document is the UK implementation of

    2、 ISO/PAS 15339-2:2015. The UK participation in its preparation was entrusted to Technical Committee PAI/43, Graphic technology. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions

    3、 of a contract. Users are responsible for its correct application. The British Standards Institution 2015. Published by BSI Standards Limited 2015 ISBN 978 0 580 90004 4 ICS 35.240.30; 37.100.99 Compliance with a British Standard cannot confer immunity from legal obligations. This Published Document

    4、 was published under the authority of the Standards Policy and Strategy Committee on 30 September 2015. Amendments issued since publication Date Text affectedPD ISO/PAS 15339-2:2015 ISO 2015 Graphic technology Printing from digital data across multiple technologies Part 2: Characterized reference pr

    5、inting conditions, CRPC1 CRPC7 Technologie graphique Impression partir de donnes numriques via des technologies multiples Partie 2: Conditions dimpression de rfrence caractrises, CRPC1 CRPC7 PUBLICLY AVAILABLE SPECIFICATION ISO/PAS 15339-2 First edition 2015-08-15 Reference number ISO/PAS 15339-2:20

    6、15(E)PD ISO/PAS 15339-2:2015ISO/PAS 15339-2:2015(E)ii ISO 2015 All rights reserved COPYRIGHT PROTECTED DOCUMENT ISO 2015, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electro

    7、nic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 CP 401 CH-1214 Vernie

    8、r, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyrightiso.org www.iso.orgPD ISO/PAS 15339-2:2015ISO/PAS 15339-2:2015(E)Foreword iv Introduction v 1 Scope . 1 2 Normative references 1 3 T erms and definitions . 1 4 Requirements 1 5 Data files 5 Annex A (normative) Tone value incr

    9、ease 6 Bibliography 9 ISO 2015 All rights reserved iii Contents PagePD ISO/PAS 15339-2:2015ISO/PAS 15339-2:2015(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standar

    10、ds is normally carried out through ISO technical committees. 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

    11、 part in the work. ISO collaborates closely with the International 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 par

    12、ticular the different approval criteria needed for the different 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

    13、 this document may be the subject of patent rights. ISO shall 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

    14、www.iso.org/patents). Any trade name used in this document is 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 t

    15、o the WTO principles in the Technical Barriers to Trade (TBT) see the following URL: Foreword - Supplementary information The committee responsible for this document is ISO/TC 130, Graphic technology. ISO/PAS 15339 consists of the following parts, under the general title Graphic technology Printing

    16、from digital data across multiple technologies: Part 1: Principles Publicly Available Specification Part 2: Characterized reference printing conditions, CRPC1CRPC7 Publicly Available Specificationiv ISO 2015 All rights reservedPD ISO/PAS 15339-2:2015ISO/PAS 15339-2:2015(E) Introduction ISO/PAS 15339

    17、 is based on the premise that in the printing and publishing industries, electronic data are the intermediary for content storage and exchange throughout production including copy preparation, job assembly, proofing, and process printing. It further assumes that data preparation can be largely proce

    18、ss-independent and that the choice of the printing process or processes to be used for final production will be based primarily on run-length requirements and the substrates to be used. There are various tools in place to both define the relationship of digital data to printed colour for specific in

    19、stances of printing and to manipulate data such that similar results can be obtained between and among different printing processes (see ISO/TS 10128). These specific instances of printing are typically described by colour characterization data, which is the relationship between CMYK input data and

    20、colour measured on the printed sheet. Where such a set of colour characterization data are used as a reference it is referred to as a characterized reference printing condition (CRPC). ISO/PAS 15339-1 describes the principles involved in developing and working with CRPCs. This part of ISO/PAS 15339

    21、defines a set of CRPCs associated with the initial publication of ISO/PAS 15339. It is intended that if changes in, or additions to, these data sets are needed in the future, they will be documented in additional parts of ISO/PAS 15339 so that changes in the data sets are possible without losing tra

    22、ceability to earlier data sets. Not all printing processes that can achieve the same colour gamut are subject to the same limitations. Offset, gravure, flexography, electrophotographic, ink-jet, etc. each have limitations that may have to be considered in the final data preparation. These typically

    23、include limitations of total ink coverage, and minimum and maximum printable dot sizes. Should general guidance be needed, additional parts of ISO/PAS 15339 can be prepared to assist in the communication or standardization of the handling of such limitations. ISO 2015 All rights reserved vPD ISO/PAS

    24、 15339-2:2015PD ISO/PAS 15339-2:2015Graphic technology Printing from digital data across multiple technologies Part 2: Characterized reference printing conditions, CRPC1 CRPC7 1 Scope This part of ISO/PAS 15339 specifies a limited number of characterized reference printing conditions that span the e

    25、xpected range of colour gamuts used for the production of printed materials from digital data, regardless of the printing process used. Their use is described in ISO/PAS 15339-1. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are

    26、indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 12642-2, Graphic technology Input data for characterization of 4-colour process printing Part 2: Expa

    27、nded data set ISO 13655, Graphic technology Spectral measurement and colorimetric computation for graphic arts images ISO/PAS 15339-1, Graphic technology Printing from digital data across multiple technologies Part 1: Principles ISO 28178, Graphic technology Exchange format for colour and process co

    28、ntrol data using XML or ASCII text CGATS TR015:2013, Graphic technology Methodology for Establishing Printing Aims Based on a Shared Near-neutral Gray-scale 3 T erms a nd definiti ons For the purposes of this document, the terms and definitions given in ISO/PAS 15339-1 apply. 4 Requirements As defin

    29、ed in ISO/PAS 15339-1, unless otherwise agreed between sender and receiver, the characterized reference printing condition (CRPC) used for data preparation and data exchange shall be one of the data sets defined in this or subsequent parts of ISO/PAS 15339. The characterization data associated with

    30、the characterized reference printing conditions identified in this part of ISO/PAS 15339 are presented as data files “ISO15339-CRPC1.txt” to “ISO15339-CRPC7.txt” (see Clause 5). PUBLICLY AVAILABLE SPECIFICATION ISO/PAS 15339-2:2015(E) ISO 2015 All rights reserved 1PD ISO/PAS 15339-2:2015ISO/PAS 1533

    31、9-2:2015(E) Although a normative part of this International Standard, they may be freely used and distributed provided that the header of all distributed files indicates that they are part of ISO/PAS 15339. NOTE 1 When additional CRPCs are published in subsequent parts of ISO/PAS 15339, it is expect

    32、ed they will follow the same sequential naming scheme to avoid confusion, i.e. ISO15339-CRPC8 would be the next named data set. The characterized reference printing conditions included in these data files have been selected to be near the middle of both the general class of printing that is expected

    33、 to make use of each characterized reference printing condition and the colour of the substrates used. It is also expected that adjustments for substrate colour (see ISO/PAS 15339-1) will allow each characterized reference printing condition to meet a wide variety of needs and be independent of the

    34、actual printing process to be used. The tone reproduction curves used are based on the procedures defined in CGATS TR015 and are dependent on the reflectance of the substrate and of the black and 3-colour solids. The equations of CGATS TR015 provide the CIE Y tristimulus value corresponding to a par

    35、ticular cyan tone value of a near neutral scale. To provide a consistent relationship between the substrate corrected neutral scales of the various data sets created for this part of ISO/PAS 15339, the CMY triplets defined by Formula 1 were mapped to the substrate corrected neutral scale of all data

    36、 sets: (1) In addition, the densitometric tone value curves (computed according to A.3) for the three chromatic colourants were adjusted to have the same tone value increase (see Table A.1). The data given, for information only, in Tables 1 to 3 are taken from the CRPC data files and are shown in th

    37、ese tables and figures for information. The CIELAB a*-b* projection of the characterization data of each of these characterized reference printing conditions is shown in Figure 1. All colorimetry is defined to be measurement condition M1, according to ISO 13655, with white backing. NOTE 2 To facilit

    38、ate the use of the correction of colorimetric data for variations in substrate colour as described in ISO/PAS 15339-1, the header of each file contains the CIELAB values for both the substrate and a reference black point of the data set. The values for the substrate are ID 1 in each data set and as

    39、described in ISO/PAS 15339-1 the value in ID 1286 (the 4-colour solid) is used as a reference black point. The substrate, single colour solids, and two-colour overprints that are the aims for the characterization data set are as shown in Table 1 and Table 2. The colorimetrically computed mid-tone TV

    40、I for each of the single colour scales of each of the characterized reference printing conditions is listed in Table 3 for information. More extensive TVI curves can be computed directly from the CRPC data if desired. Annex A shows the computed densitometric TVI and provides the computations used to

    41、 derive both densitometric and colorimetric TVI. NOTE 3 A spreadsheet that will extract process control data from a CRPC data set, do substrate correction computations, and derive both densitometric and colorimetric TVI curves is available at http:/www.npes. org/Programs/StandardsWorkroom/ToolsBestP

    42、ractices.aspx. Table 4 lists, for information only, typical use conditions, and a convenient name, for each of these characterized reference printing conditions. These characterized reference printing conditions have been selected to be near the middle of both the general class of printing that is e

    43、xpected to make use of each characterized reference printing condition and the colour of the substrates used. It is expected that adjustments for substrate colour (see ISO/PAS 15339-1) will allow each characterized reference printing condition to meet a wide variety of needs and be independent of th

    44、e printing process to be used.2 ISO 2015 All rights reservedPD ISO/PAS 15339-2:2015ISO/PAS 15339-2:2015(E) Table 1 Characterized reference printing conditions Primary colour aims CRPC Substrate colour Printed solid colours Cyan Magenta Yellow Black L* a* b* L* a* b* L* a* b* L* a* b* L* a* b* 1 85 1

    45、 5 59 24 26 56 48 0 80 2 60 37 1 4 2 87 0 3 57 28 34 52 58 2 82 2 72 30 1 2 3 96 1 4 60 26 44 56 61 2 89 3 76 32 1 1 4 89 0 3 55 36 38 47 66 3 83 3 83 23 1 2 5 92 0 0 57 37 44 48 71 4 87 4 88 19 0 1 6 95 1 4 56 37 50 48 75 4 89 4 93 16 0 0 7 97 1 4 54 42 54 47 79 10 90 4 103 14 0 0 Table 2 Character

    46、ized reference printing conditions Two-colour overprint aims CRPC Red Green Blue L* a* b* L* a* b* L* a* b* 1 54 44 25 55 35 17 42 7 22 2 51 55 32 51 44 19 36 9 32 3 54 56 28 54 43 15 38 10 31 4 46 62 39 49 54 24 28 14 39 5 48 65 45 51 62 26 27 17 44 6 47 68 48 50 66 26 25 20 46 7 47 75 54 50 72 29

    47、20 26 53 Table 3 Colorimetric TVI CRPC Colorimetric TVI 50 % input TV % C M Y K 1 24,3 26,1 26,1 26,2 2 17, 3 19,2 19,2 22,0 3 16,8 19,1 19,0 22,1 4 15,9 19,1 19,0 22,1 5 15,0 16,0 16,0 19,1 6 13,4 16,0 16,0 19,0 7 11,6 16,1 16,1 19,1 ISO 2015 All rights reserved 3PD ISO/PAS 15339-2:2015ISO/PAS 1533

    48、9-2:2015(E) F i g u r e 1 P r o j e c t i o n o f t h e d e f i n e d c o l o u r a n t d e s c r i p t i o n s g i v e n , f o r i n f o r m a t i o n o n l y , i n Tables 1 and 2 onto the CIE a*b*-plane Table 4 Characterized reference printing conditions, typical uses CRPC Name Typical use 1 Typic

    49、al ColdsetNews Small gamut printing (newsprint) 2 Typical HeatsetNews Moderate gamut printing on improved newsprint type paper 3 Typical PremUncoated Utility printing on a matt uncoated type paper 4 Typical SuperCal General printing on super-calendared paper 5 Typical PubCoated Typical publication printing 6 Typical PremCoated Large gamut (typically commercial) printing 7 Typical Extra Large


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