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1、20129thInternationalConferenceonFuzzySystemsandKnowledgeDiscovery(FSKD2012)KeyFrameExtractionofOnlineVideoBasedonOptimizedFrameDifferenceHuayongLiu,WentingMengZhiLiuDepartmentofComputerScience,CentralChinaEngineering&ResearchCenterforInformationNormalUniversityTechnologyonEdu
2、cation,CentralChinaNormalHubeiWuhan,ChinaUniversityhy.liu@mail.ccnu.edu.cnHubeiWuhan,ChinaLiuzhi8673@gmail.comAbstract—Keyframeextractionisabasictechnologyofnumberofresearchersandachievessomeresearchonlinevideoretrievalandabstractestablishing.results.Efficientkeyframeextracti
3、ontechnologycanpromotethedevelopmentofwidely-usedvideobrowsingII.THEREVIEWSOFCLASSICKEYFRAMEtechnology.Inthispaper,wefirstreviewedsomeEXTRACTIONMETHODcommonly-usedkeyframeextractiontechnology,andthenproposedakeyframeextractiontechnologybasedCommonly,someconservativemethodsare
4、usedonoptimizedframedifference,whichmeasuresthetoextractkeyframessuchaspreferringtoextractsimilarityoftwoadjacentframes’contentsintermsofmorekeyframestoobtainimportantinformationoftheinformationofframedifference,andextractskeyvideostreams.Whenextractingmanykeyframes,theframes
5、afteroptimizingtheframedifference.Theirrelevancebetweentwoadjacentframesisconsideredexperimentresultsshowthattheproposedalgorithmastheprincipleofkeyframeextraction.canextractkeyinformationofonlinevideoefficiently,andhasagooddescriptionintheaspectofchangesinA.VideoshotbasedMet
6、hodthemovementofthelens.Inthevideoshotbasedmethod,someclassicKeywords—keyframeextraction;inter-framedifference;methodsincludeframeaveragemethodandonlinevideo;frameaveragemethod;fuzzyclusterhistogramaveragemethod.TheframeaveragemethodistoextracttheaveragevalueinaspecificI.INTR
7、ODUCTIONlocationfromthevideoshot,thenselecttheframewhosepixelvaluemostlyclosetotheaveragevalueAstherapiddevelopmentandwideapplicationofaskeyframe;histogramaveragemethodistocomputerandinternetmultimediacommunicationcomputetheaveragevalueofthehistogramofalltechnology,thesharing
8、ofmultimediaimages,audiosframesinthevideoshot,thenselecttheframemost
