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【英文标准名称】:Informationtechnology-Computergraphicsandimageprocessing-ImageProcessingandInterchange(IPI)-Functionalspecification-Part3:ImageInterchangeFacility(IIF)
【原文标准名称】:信息技术计算机图形和图像处理图像处理与交换(IPI)功能规范第3部分:图像交换设施(IIF)
【标准号】:ISO/IEC12087-3-1995
【标准状态】:现行
【国别】:国际
【发布日期】:1995-02
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:通信规程;图象描述信息;图像处理;计算机制图;数字;功能描述;信息交换;交换;信息技术;数据处理
【英文主题词】:Communicationprocedures;Computergraphics;Dataprocessing;Exchange;Figures;Functionaldescriptions;Imageprocessing;Informationinterchange;Informationtechnology;Picturedescriptioninformation
【摘要】:ThispartofISO/IEC12087facilitatestheinterchangeofdigitalimages.Forthispurpose,conceptual,architectural,andfunctionaldefinitionsoftheImageInterchangeFacility(IPI-IIF)areestablished.ISO/IEC12087-3consistsoftwomajorparts,the:a)IIFdataformat(IIF-DF)definition(bymeansofaformalsyntax,describedaccordingtotheAbstractSyntaxNotationOne(ASN.1)--refertoclause5),andtheb)IIFGatewaydefinition(bymeansofamanualpagedescriptionofthefunctionalityofanApplicationProgramInterface(API)--refertoclause7).AnIPI-IIF-conformantimplementationhastofulfillthefunctionalityspecificationoftheIIFGateway,asoutlinedinclause7.BesidestheIIFGateway,theremaybeinformationprocessingsystems(softwaresuchasparsers,generators,etc.)whichreadand/orwritetheIIF-DF.TheIPI-IIFisbasedonthedefinitionsdescribedinISO/IEC12087-1,the"CommonArchitectureforImaging".TheIPI-IIF,asawhole,maybecharacterizedbrieflyasfollows:c)BymeansoftheIIFdataformatandGateway,imagedataobjectsandimage-relateddataobjectsaretransportedtoandfromapplicationenvironments.d)BymeansofthefullPIKSprofileoftheIPI-IIFdataformat(i.e.,aformatfordatainterchangebetweenIPI-IIFandIPI-PIKS),imagedataobjectsandimage-relateddataobjectsareimportedtoandexportedfromtheProgrammer'sImagingKernelSystem(IPI-PIKS),definedinISO/IEC12087-2.e)TheIPI-IIFfacilitatesthestorageofimagedataobjectsandimage-relateddataobjectsinavarietyofpre-definedstoragemodalities,includingdifferentperiodicityorganizations,suchaspixel-interleavingorband-interleaving.f)ThispartofISO/IEC12087definessyntaxofimagedata(andimage-relateddata)streams.TheencodingofIIFdatatypesisdefinedinISO/IEC12089.Seealso5.3.3.g)TheIPI-IIFsupportsaconceptofstandardizedconformanceprofiles.Initially,threeconformanceprofilesaredefinedwithinISO/IEC12087.h)AnIIFdatastreammaybestoredindevicessuchasfilesystems.AnIIFdatastreammaybeinterchangedandcommunicatedindatanetworks(e.g.,LANsandWANs)orinotherdatacommunicationfacilities.Alllow-leveldatastorageandtransferisdelegated,forinstance,totheoperatingsystemofthetargethardware.i)TheIIFGatewayperformscompressionanddecompressionofimagedataobjectsusingstandardizedcompressionanddecompressiontechniques.ThesetechniquesarereferencedinthispartofISO/IEC12087.See1.4.5and5.3.3and7.5forfurtherdefinition.j)TheIIFGatewayisaccessibleviaanAPItoperformimageinterchangefunctions.Seeclause7foradefinitionofIIFGatewayfunctionality.ReferenceshallbemadetothispartofISO/IEC12087,anditsdefinitionsshallbeemployed,wheneverimagesareinterchanged,accordingtotheIPI-IIF,amongdifferentimagingapplicationsenvironmentsoramongimagingdevices.TheIPI-IIFisapplicabletoscenariosrequiringtheinterchangeofdigitalimages,asoutlinedinAnnexC.TheuseoftheIIFdataformatasasupersetofthefunctionalityofmostoftheexistingimageinterchangeformatssolvestheproblemofapplication-independentsyntacticalandsemanticalinterpretationandunderstandingofimagedata.TheIPI-IIFisapplicabletoimageinterchangeinandamongdifferentapplicationdomains.Thefollowingapplicationareashavebeenconsidered:-Medicalimaging-Remotesensing-Publishing-Industrialvision-Computergraphicsarts-Computeranimation-Scientificvisualization-Missionplanning-Documentprocessing-OutdoorscenesurveillanceThelimitingoftheIPI-IIFscopetocertainapplicationdomainsisamatterofprofiling.Thisistreatedinclause6.NOTE-Whetheranimageinterchangeformatmayalsoberegardedasadeviceformat,dependsonthe(local)processingpowerofthedeviceitself.Thusaconceptually"high-l
【中国标准分类号】:L81
【国际标准分类号】:35_140
【页数】:243P.;A4
【正文语种】:英语