【英文标准名称】:Informationtechnology-Computergraphicsandimageprocessing-Presentationenvironmentformultimediaobjects(PREMO)-Modelling,renderingandinteractioncomponent
【原文标准名称】:信息技术.计算机制图学和图象处理.多媒体目标表示环境(PREMO).建模,示图和交互作用组件
【标准号】:BSISO/IEC14478-4-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-03-15
【实施或试行日期】:1999-03-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:编码(数据转换);代码表示;会话方式;声信号;图形显示字符;数据处理;变更;图形表示;时间测量;目标(数据处理);计算机应用;视频信号;数据处理(软件);计算机网络;规范(验收);信号处理;试验模型;效率;流程图;图解表示法;通信网;数学模型;多媒体;合格;计算机制图;信息交流
【英文主题词】:Computergraphics;Dataconversion;Dataprocessing;Definition;Definitions;Encoding;Imageprocessing;Informationinterchange;Informationtechnology;Multimedia
【摘要】:ThispartofISO/IEC14478describesasetofobjecttypesandnon-objecttypestoprovidetheconstructionof,presentationof,andtheinteractionwithMultimediainformation.Themultimediainformationcanbegraphics,video,audio,orothertypesofpresentablemedia.Thisinformationcanbeenhancedbytimeaspects.ThroughoutthisdocumentthispartofISO/IEC14478willalsobereferredtoas"Modelling,RenderingandInteraction",andabbreviatedasMRI.TheModelling,RenderingandInteractionComponentconstitutesaframeworkof'Middleware',systemsoftwarecomponentslyingbetweenthegenericoperatingsystemandcomputingenvironment,andaspecificapplicationoperatingasaclientoftheservicesandtypedefinitionsprovidedbythiscomponent.ItprovidesaframeworkoverthefoundationobjectsandmultimediasystemsservicesdefinedinotherPartsoftheinternationalstandardforthedevelopmentofadistributedandheterogeneousnet-workofdevicesforcreatingmultimediamodels,renderingthesemodels,andinteractingwiththisprocess.TheModelling,RenderingandInteractionComponentencompassesthefollowingcharacteristics:a)provisionofahierarchyofmultimediaprimitivesasanabstractframeworkfordescribingthecapabilitiesofmodellingandrenderingdevices,andforenablingtheirinteroperation;b)withintheprimitivehierarchy,specificprovisionfordescribingthetemporalstructureofmultimediadatathroughthestepwiseconstructionofstructuredprimitivesfromcomponentdata;c)provisionofabstracttypesformodellers,Tenderersandothersupportingdevices,enablingtheintegrationofsuchdevicesoranyfuturesubtypesrepresentingrealsoftwareorhardware,intoaprocessingnetworkofsuchdevices;d)provisionofanobjecttypetomapsynchronizationrequirementsexpressedwithinmultimediaprimitivesintocontrolofthestreamandsynchronizationmechanismsprovidedbyISO/IEC14478-2andISO/IEC14478-3.TheModelling,RenderingandInteractionComponentreliesontheobjecttypesandservicesdefinedinPREMOPart2:Foun-dationComponents(ISO/IEC14478-2),andPREMOPart3:MultimediaSystemsServices(ISO/IEC14478-3).
【中国标准分类号】:L81
【国际标准分类号】:33_160_60;35_140
【页数】:82P;A4
【正文语种】:英语