BS ISO 8514-1-2000 Micrographics - Alphanumeric computer output microforms - Quality control - Characteristics of the test slide and test data《缩微摄影技术 字母数字计算机输出缩微品 质量控制 试验滑动片的特性和试验数.pdf

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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS ISO 8514-1:2000 ICS 37

2、.080 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Micrographics Alphanumeric computer output microforms Quality control Part 1: Characteristics of the test slide and test dataThis British Standard, having been prepared under the direction of the DISC Board, was published un

3、der the authority of the Standards Committee and comes into effect on 15 August 2000 BSI 08-2000 ISBN 0 580 36364 3 BS ISO 8514-1:2000 Amendments issued since publication Amd. No. Date Comments National foreword This British Standard reproduces verbatim ISO 8514-1:2000 and implements it as the UK na

4、tional standard. It supersedes BS ISO 8514-1:1992 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee IDT/1, Document imaging, to Subcommittee IDT/1/1, Quality, which has the responsibility to: aid enquirers to understand the text; present to the responsi

5、ble international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on reque

6、st to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of th

7、e BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Sum

8、mary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to iv, pages 1 to 7 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued.Referencenumber ISO8514-1:2000(E) INTERNATIONAL STANDARD ISO

9、8514-1 Secondedition 2000-05-01 MicrographicsAlphanumericcomputer outputmicroformsQualitycontrol Part1: Characteristicsofthetestslideandtest data Micrographie Microformes COM alphanumriques Contrle de la qualit Partie 1: Caractristiques du cadre de surimpression et des donnes-testISO8514-1:2000(E) i

10、i ISO8514-1:2000(E)iii Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnationalstandardsbodies(ISO memberbodies).TheworkofpreparingInternationalStandardsisnormallycarriedoutthroughISOtechnical committees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitte

11、ehasbeenestablishedhas therighttoberepresentedonthatcommittee.Internationalorganizations,governmentalandnon-governmental,in liaisonwithISO,alsotakepartinthework.ISOcollaboratescloselywiththeInternationalElectrotechnical Commission(IEC)onallmattersofelectrotechnicalstandardization. InternationalStand

12、ardsaredraftedinaccordancewiththerulesgivenintheISO/IECDirectives,Part3. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting. PublicationasanInternationalStandardrequiresapprovalbyatleast75%ofthememberbodiescastingavote. Attentionisdrawntothepossibilityt

13、hatsomeoftheelementsofthispartofISO8514maybethesubjectofpatent rights.ISOshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights. InternationalStandardISO8514-1waspreparedbyTechnicalCommitteeISO/TC171, Document imaging applications, Subcommittee SC 1, Quality. Thissecondeditioncancelsandrepl

14、acesthefirstedition(ISO8514-1:1992),whichhasbeentechnicallyrevised. ISO8514consistsofthefollowingparts,underthegeneraltitle Micrographics Alphanumeric computer output microforms Quality control: Part 1: Characteristics of the test slide and test data Part 2: MethodISO8514-1:2000(E) iv Introduction T

15、heuseofalphanumericcomputeroutputmicroforms(alphanumericCOM)forthestorageofinformationrequires valid,reliablemethodsbywhichthequalityoftheimagescanbemeasured.Thisisnecessarytoachieve consistentusableoutput.Ofprimaryimportanceintheproductionofmicroformscontainingalphanumeric informationisthelegibilit

16、yoftheinformationpresentedtotheuser.Thisistruewhetherthemicroformusedisthe original(firstgeneration)oraduplicate. ISO8514specifiesamethodformeasuringthequalityofcomputeroutputmicroforms(COM)andspecifiesatest formslideandtestdatatobeusedforapplyingthismethod.Itappliestomicroformscontainingvariabledat

17、a producedusingacathode-raytube,light-emittingdiodesoralaser,andfixeddatasuchasthatcontainedonaform slide,witheffectivereductionratiosof1:24through1:48,inaccordancewithISO9923.ThisInternationalStandard appliesonlytoCOMrecordersthatuseaphysicalformslide. ThisInternationalStandarddescribesvarioussyste

18、msandequipmenttoestablishtestguidelineswherebytheuser canestablishandmaintainagivenlevelofperformanceusingtheminimumofsophisticatedequipment. ThemethodrequiresatestformslideandtestdatageneratedfromtheCOMimagegenerator.INTERNATIONALSTANDARD ISO8514-1:2000(E)1 MicrographicsAlphanumericcomputeroutputmi

19、croforms Qualitycontrol Part1: Characteristicsofthetestslideandtestdata 1 Scope ThispartofISO8514specifiesthecharacteristicsofthetestslideandthetestdatausedformeasuringtheoutput qualityofalphanumericCOMrecordersthatuseaphysicalformslide. 2 Normativereferences Thefollowingnormativedocumentscontainpro

20、visionswhich,throughreferenceinthistext,constituteprovisionsof thispartofISO8514.Fordatedreferences,subsequentamendmentsto,orrevisionsof,anyofthesepublications donotapply.However,partiestoagreementsbasedonthispartofISO8514areencouragedtoinvestigatethe possibilityofapplyingthemostrecenteditionsofthen

21、ormativedocumentsindicatedbelow.Forundated references,thelatesteditionofthenormativedocumentreferredtoapplies.MembersofISOandIECmaintain registersofcurrentlyvalidInternationalStandards. ISO5-2:1991, Photography Density measurements Part 2: Geometric conditions for transmission density. ISO5-3:1995,

22、Photography Density measurements Part 3: Spectral conditions. ISO5-4:1995, Photography Density measurements Part 4: Geometric conditions for reflection density. ISO446:1991, Micrographics ISO character and ISO test chart No. 1 Description and use. ISO3334:1989, Micrographics ISO resolution test char

23、t No. 2 Description and use. ISO6196-7:1992, Micrographics Vocabulary Part 7: Computer micrographics. ISO9923:1994, Micrographics Transparent A6 microfiche Image arrangements. 3 Termsanddefinitions ForthepurposesofthispartofISO8514,thetermsanddefinitionsgiveninISO6196-7andthefollowingapply. 3.1 test

24、slide formslidedesignedforuseinmeasuringthequalityofoutputfromaCOMsystemISO8514-1:2000(E) 2 4 Descriptionoftheoriginalartwork ArtworkfromwhichatestslideismadeshallbeasshowninFigure1 1) anddescribedin4.1to4.6. Dimensionsgivenarebasedonartworkinwhichthealignmentgrid(4.1)is270,9mm 0,1mm 335,3mm 0,1mm.

25、NOTE ThenumbersincirclesinsubsequentclauseheadingsrefertotherelevantareainFigure1. 4.1 Alignmentgrid Thealignmentgridshallcompriseelementsfromstandardgridof132charactersperlineby64linesperpage, locatedalongeachsideandfillingline33andcolumns66and67oftheartwork. Thegridshallhaveaheightof270,9mmandwidt

26、hof335,3mm 0,1mm. Eachelementofthealignmentgridshallbe2,540mm 4,233mm 0,1mm. Eachelementshallbepositionedtowithin 0,02mmofitsnominalposition. Thewidthoftheelementboundarylineshallbebetween0,12mmand0,17mm.Regardlessofthelinewidth chosen,thetoleranceshallbe 0,01mm. 4.2 Densitymeasuringareas Thedensity

27、measuringareasshallcomprisetwocircles,eachwithaminimumdiameterof95mm,toallow measurementwithadensitometerafterreductionupto1:48.Oneshallbea50% 2) ,25screenhalftone (Figure1areaA)andtheothershallbesolidblack(Figure1areaB).Thedifferenceinvisualreflectiondensity, measuredwithadensitometercomplyingtoISO

28、5-3andISO5-4,betweenpattern(Figure1areaB)andthe backgroundoftheartworkshallbeatleast2,00. 4.3Testchartarea ThetestchartareashallcompriseoftheISOcharactersfrom45to280(extensionofISOtestchartNo.1specified inISO446)andtheISONo.2testpatterns1to10,inaccordancewithISO3334. 4.4Densitybalancingareas Thedens

29、itybalancingareasshallcompriseofnine25screenhalftonesrangingfrom10%to90%inincrementsof 10%.Eachisidentifiedbyasolidnumber,one-halfwhiteandone-halfblackindicatingtheappropriatepercentage. 1) Theartworkispositive-appearingwhereastheactualtestslidewillbenegative-appearing. 2) A50%halftonereferstotherat

30、ioofthedottedareatothewholearea.ISO8514-1:2000(E)3 Figure1SamplelayoutoforiginalartworkISO8514-1:2000(E) 4 4.5 COMcharacterlegibilitytestareas TheCOMcharacterlegibilitytestareasshallcomprisefiveidenticalpatternslocatedinthecentreandnearthe cornersofthetestslide. Eachpatterncontainsthecharacters“E”an

31、d“H”arrangedincolumnsinpairsofidenticalsize.Eachgroupoftwo charactersincreaseshorizontallyinheightandinwidthinaccordancewithTable1,andvertically,inlinewidthin accordancewithTable2.Twocharacterspacesshallbeallowedbetweencharactershorizontallytofacilitatethe alignmentoftheimagegeneratorletterswiththei

32、mageofthetestslide.Characterheightandwidthshallbe measuredasindicatedinFigure2. Figure2Examplesofcharactermeasurements Table1Characterheightandwidth Dimensionsinmillimetres Column 12345 Characterheight(H) 2,55 2,75 2,95 3,15 3,35 Characterwidth(L) 1,78 1,92 2,05 2,20 a 2,20 a a Maximumcharacterwidth

33、allowingsufficientspacebetweenadjacentcharacters. Table2Characterlinewidth Dimensionsinmillimetres Row A B C D Characterlinewidth 0,20 0,32 0,44 0,56 4.6 Charactertestarea Thecharacterareashallcomprisetwoblocksofpairsoflinesofalphabeticcharactersinalphabeticalorder,upper caseandlowercase,normalweigh

34、t,uprightinonecolumnanditalicintheother.Sanserifcharactersarepreferred. TheheightinmillimetresofuppercasecharactersineachpairoflinesshallbeasindicatedinFigure1.The minimumlinespacingshallbe1,5oftheheightofuppercasecharacters.ISO8514-1:2000(E)5 5 Testslidecharacteristics Theinformationgiveninthisclau

35、seisintendedasaguidefortestslidemanufacturersandforuserstoprepare specifications. 5.1Holder Thetestslideshallbeheldinarigidholder. 5.2Reductionratio ThereductionratioofthetestslideshallbeasspecifiedbythemanufactureroftheCOMrecorder,withatolerance of 0,05%. 5.3Polarity Thetestslideshallbenegative-app

36、earing,thatis,clearlinesonadarkbackground. 5.4Density Thevisualdiffusetransmissiondensityoftheclearareas,measuredwithadensitometercomplyingtoISO5-2and ISO5-3shallbenotgreaterthan0,20.Thebackgrounddensityshallbenotlessthan2,00. 5.5Defects Intheimageareaofthetestslideusedfortestpurposesthereshallbenod

37、efects,whichwhenenlargedbythe nominalreductionratioofthetestslide,shallbelargerthan0,05mm. 5.6Resolution Thequalityofmanufactureofthetestslideshallbesuchthatataminimumthecharacter80oftheISOtestchart No.1orthepattern5.0oftheISOresolutiontestchartNo.2isresolvedonthetestslide.Atoleranceof 10% appliesto

38、thenominalwidthoftheclearorblacklinesofthetestchart. 5.7Conformance Themanufacturershallsupplywitheachtestslideacertificateofitscompliancewiththerequirementsofthispart ofISO8514. 6 Testdata Datashallbegeneratedinthefollowingareas(seeFigure3): 6.1 Alignmentarea Thealignmentareaconsistsofthecharacter“

39、H”generatedintheoverallgrid. 6.2 COMcharacterlegibilitytestareas TheCOMcharacterlegibilitytestareasconsistofthecharacters“E”and“H”accuratelylocatedasindicatedin figure3.Theyshallbejuxtaposedwiththesamecharactersinthetestslide.ISO8514-1:2000(E) 6 6.3 COMcharactersetarea AtypicalsetofCOMcharacters,upp

40、er-caseletters,numbersandsymbols,andwhenappropriatethelower-case letters,shallbegeneratedinthisarea,inalphabeticalorder,accordingtothespaceavailable. Itisalsousefultogeneratealineconsistingofadjacentcharactersofsimilarappearance: I,1; 0,O,Q; B,8; G,6,5,S; Z,7,2.ISO8514-1:2000(E)7 Figure3Samplelayout

41、oftestdataBS ISO 8514-1:2000 BSI 389 Chiswick High Road London W4 4AL | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |

42、| | | | | | | | | | | | BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by a

43、mendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standar

44、d would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: 020 8996 9000. Fax: 020 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest edi

45、tions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: 020 8996 9001. Fax: 020 8996 7001. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those th

46、at have been published as British Standards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services ar

47、e also available which give details on all its products and services. Contact the Information Centre. Tel: 020 8996 7111. Fax: 020 8996 7048. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details o

48、f these and other benefits contact Membership Administration. Tel: 020 8996 7002. Fax: 020 8996 7001. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyrigh

49、t, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must

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