学科分类
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5 个结果
  • 简介:CoordinatesofthekeyfacialfeaturepointscanbecapturedbymotioncapturesystemOPTOTRAKwithreal-timecharacterandhighaccuracy.Thefacialmodelisconsideredasanundirectedweightedgraph.Byiterativelysubdividingtherelatedtriangleedges,thegeodesicdistancebetweenpointsonthemodelsurfaceisfinallyobtained.TheRBF(RadialBasisFunctions)interpolationtechniquebasedongeodesicdistanceisappliedtogeneratedeformationofthefacialmeshmodel.Experimentalresultsdemonstratethatthegeodesicdistancecanexplorethecomplextopologyofhumanfacemodelsperfectlyandthemethodcangeneraterealisticfacialexpressions.

  • 标签: 面部表情 性能驱动 无向加权图 径向基函数 网格模型 插值技术
  • 简介:Wepresentamethodthatcombinesperformance-drivenmethodwithsegmented3Dblendshapemodelstoanimateaface.Firstwepreparekeysampleexamplesandcorrespondingkeytargetexamples.Nextwesegmentthewholefaceintotworegions,foreachregionwereducedimensionalityofsourceexamplesusingPACintoabstractspacewhichisdefinedbytruncatedPCAeigenvectors.Thenforeachexamplewefixthecardinalbasefunction,whichcandeterminetheweightofthetargetexample.Finally,intheanimationstagewecomputetheweightofeachexampleforeachframeandaddtheweighteddisplacementvectorsofeachregiononthegeneralfacemodel.

  • 标签: 性能驱动 表达图谱 基础 分段 融合模型 三维形状
  • 简介:Theplatformconsistsofthreelayers:themanagementservicelayeradministerstheinfrastructureofthewholeplatform;theintegrationservicelayerprovidesthecoreintegrationfunctionsandtheuserservicelayersatisfiestheenterpriseintegrationdemands.Forthepurposeofaccommodatingthecharacteristicsofmoldmakingcompanies,anevent-drivenenterpriseservicebusworkingastheheartoftheplatformisrealized.AprototypesystemcombiningWebservices,BusinessProcessExecutionLanguage(BPEL)andWebOntologyLanguage(OWL)isimplemented.Theclientsandsuppliersandtheapplicationsofmoldmakingcompanyareintegratedinaloosely-coupledwaythroughtheservicesprovidedbytheplatform.Meanwhilethesharingofdataandknowledge,andthecoordinationofbusinessprocessarerealized.Byadoptingtheplatform,anewapproachisprovidedtosolvetheproblemofdesignandmanufactureintegrationforintraandintermoldmakingcompanies.

  • 标签: 集成平台 模具制造 事件驱动 制造工业 WEB本体语言 SOA