CAN CSA-ISO IEC 15415-2009 Information technology Automatic identification and data capture techniques Bar code print quality test specification Two-dimensional symbols.pdf

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1、Information technology Automa tic identification and data capture techniques Bar code symbol print quality test specification Two- dimensional symbolsCAN/CSA-ISO/IEC 15415:13(ISO/IEC 15415:2011, IDT)National Standard of CanadaNOT FOR RESALE. / PUBLICATION NON DESTINE LA REVENTE.Legal Notice for Stan

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20、ment. Le Groupe CSA publiera la versionen franais ds quelle sera produite par lorganisme rdacteur.TMA trade-mark of the Canadian Standards Association, operating as “CSA Group”National Standard of CanadaPublished in January 2013 by CSA GroupA not-for-profit private sector organization5060 Spectrum W

21、ay, Suite 100, Mississauga, Ontario, Canada L4W 5N61-800-463-6727 416-747-4044Visit our Online Store at shop.csa.caApproved byStandards Council of CanadaCAN/CSA-ISO/IEC 15415:13Information technology Automatic identification and data capture techniques Bar code symbol print quality test specificatio

22、n Two-dimensional symbolsPrepared by InternationalOrganizationforStandardization/ International Electrotechnical CommissionReviewed byCAN/CSA-ISO/IEC 15415:13Information technology Automatic identificationand data capture techniques Bar code symbol printquality test specification Two-dimensional sym

23、bolsCSA/4 2013 CSA Group January 2013CAN/CSA-ISO/IEC 15415:13Information technology Automatic identification and data capture techniques Bar code symbol print quality test specification Two-dimensional symbolsCSA PrefaceStandards development within the Information Technology sector is harmonized wit

24、h international standards development. Through the CSA Technical Committee on Information Technology (TCIT), Canadians serve as the Canadian Advisory Committee (CAC) on ISO/IEC Joint Technical Committee 1 on Information Technology (ISO/IEC JTC1) for the Standards Council of Canada (SCC), the ISO mem

25、ber body for Canada and sponsor of the Canadian National Committee of the IEC. Also, as a member of the International Telecommunication Union (ITU), Canada participates in the International Telegraph and Telephone Consultative Committee (ITU-T).This Standard supersedes CAN/CSA-ISO/IEC 15415-05 (adop

26、tion of ISO/IEC 15415:2004).At the time of publication, ISO/IEC 15415:2011 is available from ISO and IEC in English only. CSA Group will publish the French version when it becomes available from ISO and IEC.This International Standard was reviewed by the TCIT under the jurisdiction of the Strategic

27、Steering Committee on Information Technology and deemed acceptable for use in Canada. From time to time, ISO/IEC may publish addenda, corrigenda, etc. The TCIT will review these documents for approval and publication. For a listing, refer to the Current Standards Activities page at standardsactiviti

28、es.csa.ca. This Standard has been formally approved, without modification, by the Technical Committee and has been approved as a National Standard of Canada by the Standards Council of Canada. 2013 CSA GroupAll rights reserved. No part of this publication may be reproduced in any form whatsoever wit

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32、umber;(c) wording of the proposed change; and(d) rationale for the change.Reference numberISO/IEC 15415:2011(E)ISO/IEC 2011INTERNATIONAL STANDARD ISO/IEC15415Second edition2011-12-15Information technology Automatic identification and data capture techniques Bar code symbol print quality test specifi

33、cation Two-dimensional symbols Technologies de linformation Techniques automatiques didentification et de capture des donnes Spcification de test de qualit dimpression des symboles de code barres Symboles bidimensionnels ISO/IEC 15415:2011(E) COPYRIGHT PROTECTED DOCUMENT ISO/IEC 2011 All rights rese

34、rved. 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 from either ISO at the address below or ISOs member body in the country of the reques

35、ter. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org ii ISO/IEC 2011 All rights reservedISO/IEC 15415:2011(E) ISO/IEC 2011 All rights reserved iiiContents Page Foreword . v Introduction vi 1 Scope 1 2 Normati

36、ve references 1 3 Terms and definitions . 2 4 Symbols and abbreviated terms 3 5 Quality grading 3 5.1 General . 3 5.2 Expression of quality grades . 4 5.3 Overall Symbol Grade . 4 5.4 Reporting of symbol grade . 5 6 Measurement methodology for two-dimensional multi-row bar code symbols . 5 6.1 Gener

37、al . 5 6.2 Symbologies with cross-row scanning ability . 6 6.2.1 Basis of grading 6 6.2.2 Grade based on analysis of scan reflectance profile 6 6.2.3 Grade based on Codeword Yield . 7 6.2.4 Grade based on unused error correction . 8 6.2.5 Grade based on codeword print quality 9 6.2.6 Overall symbol

38、grade 10 6.3 Symbologies requiring row-by-row scanning 11 7 Measurement methodology for two-dimensional matrix symbols . 11 7.1 Overview of methodology 11 7.2 Obtaining the test images. 12 7.2.1 Measurement conditions 12 7.2.2 Raw image 12 7.2.3 Reference grey-scale image . 12 7.2.4 Binarised image

39、. 13 7.3 Reference reflectivity measurements 13 7.3.1 General requirements . 13 7.3.2 Light source . 13 7.3.3 Effective resolution and measuring aperture . 13 7.3.4 Optical geometry . 14 7.3.5 Inspection area 16 7.4 Number of scans . 16 7.5 Basis of scan grading . 16 7.6 Grading procedure 16 7.7 Add

40、itional reflectance check over extended area 17 7.8 Image assessment parameters and grading 17 7.8.1 Use of reference decode algorithm . 17 7.8.2 Decode 17 7.8.3 Symbol Contrast 18 7.8.4 Modulation and related measurements . 18 7.8.5 Fixed Pattern Damage . 21 7.8.6 Axial Nonuniformity 21 7.8.7 Grid

41、Nonuniformity 22 7.8.8 Unused error correction . 23 7.8.9 Additional grading parameters 23 ISO/IEC 15415:2011(E) iv ISO/IEC 2011 All rights reserved7.9 Scan grading 23 7.10 Overall Symbol Grade .24 7.11 Print growth 24 8 Measurement methodologies for composite symbologies .24 9 Substrate characteris

42、tics 25 Annex A (normative) Symbology-specific parameters and values for symbol grading 26 Annex B (informative) Symbol grading flowchart for two-dimensional matrix symbols .30 Annex C (informative) Interpreting the scan and symbol grades 31 Annex D (informative) Guidance on selection of grading par

43、ameters in application specifications .33 Annex E (informative) Substrate characteristics .39 Annex F (informative) Parameter grade overlay applied to two-dimensional symbologies 41 Bibliography 42 ISO/IEC 15415:2011(E) ISO/IEC 2011 All rights reserved vForeword ISO (the International Organization f

44、or Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standardization. National bodies that are members of ISO or IEC participate in the development of International Standards through technical committees established by the respective o

45、rganization to deal with particular fields of technical activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the work. In the field of information tech

46、nology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of the joint technical committee is to prepare International Standards. Draft International Standar

47、ds adopted by the joint technical committee are circulated to national bodies for voting. Publication as an International Standard requires approval by at least 75 % of the national bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the sub

48、ject of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights. ISO/IEC 15415 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 31, Automatic identification and data capture techniques. This second edition

49、 cancels and replaces the first edition (ISO/IEC 15415:2004), which has been technically revised. It also incorporates the Technical Corrigendum ISO/IEC 15415:2004/Cor.1:2008. ISO/IEC 15415:2011(E) vi ISO/IEC 2011 All rights reservedIntroduction The technology of bar coding is based on the recognition of patterns encoded, in