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1、CAREER:MultimediaAnalysisandRetrievalSystem(MARS)SharadMehrotraDepartmentofInformationandComputerScience,UniversityofCaliforniaatIrvineContactInformationSharadMehrotra,424ComputerScience,UniversityofCaliforniaatIrvine,Irvine,CA92697-3425Phone:(949)8245975F
2、ax:(949)8244012Email:sharad@ics.uci.eduURL:http://www.ics.uci.edu/~sharadProjectURL:http://www-mars.ics.uci.edu/ProjectAwardInformation•AwardNumber:IIS:9734300stth•Duration:4years,(June11998–May302002)rd•CurrentYear:3year•Titleoftheproject:CAREER:Multimedi
3、aAnalysisandRetrievalSystemKeywordsMultimediaanalysis,Multimediainformationretrieval,relevancefeedback,queryrefinement,multidimensionalindexing,uncertaintyindatabases,dimensionalitycurse,queryprocessing.ProjectSummaryThegoalsoftheMARSprojectaretodesignandd
4、evelopanintegratedmultimediainformationretrievalanddatabasemanagementinfrastructure,entitledMultimediaAnalysisandRetrievalSystem(MARS),thatsupportsmultimediainformationasfirst-classobjectssuitedforstorageandretrievalbasedontheircontent.Specifically,researc
5、hintheMARSprojectiscategorizedintothefollowingfoursub-areaseachofwhichcontributetothedevelopmentoftheintegratedinfrastructure.(1)MultimediaContentRepresentation:extractionofmultimediacontentandcontent-basedrepresentationofmultimediaobjectsindatabases.(2)Mu
6、ltimediaInformationRetrieval:content-basedmultimediaretrievaltechniquesincludingmultimediaretrievalmodelsandinteractivequeryrefinementtechniques.(3)MultimediaFeatureIndexing:thatovercomesthehigh-dimensionalityandnon-Euclideannatureoffeaturedatatoefficientl
7、ysupportretrievalbasedonfeaturesimilarity.(4)MultimediaDatabaseManagement:techniquestoeffectivelyandefficientlyincorporatecontent-basedretrievalofmultimediainformationintostructureddatabaseprocessing.Goals,Objectives,andTargetedActivitiesInthefirstyear,our
8、primaryobjectivewas(1)toexploretechniquesformultimediaobjectandqueryrepresentation,andmultimediainformationretrieval,and(2)todevelopmechanismsforefficientindexingofhighlymultidimensionalfeaturespaces.Inthesec
