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.pdf

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 It supersedes BS ISO 8514-1:1992 which is withdrawn.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 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |

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