【英文标准名称】:Informationtechnology-Computergraphicsandimageprocessing-Imageprocessingandinterchange(IPI)-Functionalspecification-Imageinterchangefacility(IIF)
【原文标准名称】:信息技术.计算机制图和成像处理.成像处理和交换(IPI).功能规范.图象交换装置(IIF)
【标准号】:BSISO/IEC12087-3-1995
【标准状态】:现行
【国别】:英国
【发布日期】:1995-07-15
【实施或试行日期】:1995-07-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:数字信号;句法;合格;信号处理;数据布置;信息交流;数据传送;计算机制图;接口;图形处理(计算机);编码(数据转换);语义学;数据压缩;数据处理;ASN.1;颜色;数据传输
【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.l)--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.Thusa
【中国标准分类号】:L81
【国际标准分类号】:35_140
【页数】:256P;A4
【正文语种】:英语