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1、HandgesturerecognitionofamobiledeviceuserVesa-MattiMantyla',JaniMiintyjiirvi2,TapioSeppben2,EsaTuulari'1TechnicalResearchCentreofFinland,Oulu,Finland2DepartmentofElectricalEngineering,UniversityofOulu,Oulu,FinlandABSTRACThandgesturesofamobiledeviceuserwasselectedandfurtherdividedintotwocategor
2、ies.StaticgesturesincludestillposesofExperimentswithaccelerationsensorsisdescribedforstaticandthesensorbox,whichoccur,e.g.,whenkeepingthephoneondynamicgesturerecognitionofamobiledeviceuser.Staticonesearwhiletalkingtoit.Adynamicgestureisrelatedtoagesturesarerecognizedwiththeself-organizingmappi
3、ngmovementofthesensorboxwhichoccurs,e.g.,whenmovingschemeofKohonenwhileahiddenMarkovmodelisusedforthephonetoonesearinordertoansweracall'.recognizingdynamicgestures.Anexperimentalsensorboxfortheresearchofcontext-awarenessisalsoexplained.Experi-Inthispaperwepresenttheresultsthatwehaveobtainedbym
4、entalresultsshowgreatpromiseofthechosentechnologiesforusingHMMandSelfOrganizingMapofKohonen(SOM)inrecognizinggesturesofauserofamobiledevice.phone-gesturerecognition.Bothstaticposesanddynamic1.INTRODUCTIONmovementscanberecognized.Chapter2presentmethodsthatwehaveused.Experimentsandresultsarepres
5、entedinChapterTheneedsofdevelopingsystemsforhumadcomputeror3,andChapter4summarizesthework.humadrobotinterfaceshasleadtoanumberofsuccesfulattemptsofusinghandgesturerecognition.Themost2.PHONE-GESTURERECOGNITIONconventionalapproachestohandgesturerecognitionhaveMETHODSemployedcybergloves[8].Thecom
6、putervisioncommunityhasalsoshownalotofinterestrecentlyintherecognitionofhuman2.1Staticphone-gesturerecognitionwithSOMactionsandgestures171,[1I],[121,[131.IntheworkofYangetTheself-organizingmapofKohonen[6]hasbeenwidelyusedinal.[21]amousewasusedasatwo-dimensionalgestureinputpatternrecognitionand
7、featureextraction[21,[41,[5],[17].Inthisdevice.Thehuman-robotinterfacewasdevelopedforrobotworkSOMwasusedtoextractcertainpositions,i.e.staticteleoperationandprogrammingbyLeeetal.[8].Thisandagestures,ofthemobilephone.Theaccelerometersempl
