Emotion Representation, Analysis and Synthesis in Continuous Space A Survey

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1、EmotionRepresentation,AnalysisandSynthesisinContinuousSpace:ASurveyHaticeGunes,BjornSchuller,MajaPanticandRoddyCowie¨Abstract—DespitemajoradvanceswithintheaffectivecomputingAnotherwell-acceptedandcommonlyuseddimensionaldescriptionresearchfield,modelling,analysing,interpretingandrespondingtoist

2、he3Demotionalspaceofpleasure–displeasure,arousal–naturalistichumanaffectivebehaviourstillremainsasachallengenonarousalanddominance–submissiveness[4],attimesreferredforautomatedsystemsasemotionsarecomplexconstructswithfuzzyboundariesandwithsubstantialindividualvariationsinexpressionandtoastheP

3、ADemotionspace[6]orasemotionalprimitives[7].experience.Thus,asmallnumberofdiscretecategories(e.g.,happinessToguaranteeamorecompletedescriptionofaffectivecolouring,andsadness)maynotreflectthesubtletyandcomplexityoftheaffectivesomeresearchersincludeexpectation(thedegreeofanticipatingorstatesconv

4、eyedbysuchrichsourcesofinformation.Therefore,affectivebeingtakenunaware)asthefourthdimension[8],andintensityandbehaviouralcomputingresearchershaverecentlyinvestedincreased(howfarapersonisawayfromastateofpure,coolrationality)effortinexploringhowtobestmodel,analyse,interpretandrespondtothesubtl

5、ety,complexityandcontinuity(representedalongacontinuumasthefifthdimension(e.g.,[9]).Schererandcolleaguesintroducede.g.,from-1to+1)ofaffectivebehaviourintermsoflatentdimensionsanothersetofpsychologicalmodels,referredtoascomponential(e.g.,arousal,powerandvalence)andappraisals.Accordingly,thismod

6、elsofemotion,whicharebasedontheappraisaltheory[1],paperaimstopresentthecurrentstateoftheartandthenewchallenges[5],[8].Intheappraisal-basedapproachemotionsaregeneratedinautomatic,dimensionalandcontinuousanalysisandsynthesisofhumanemotionalbehaviourinaninterdisciplinaryperspective.throughcontin

7、uous,recursivesubjectiveevaluationofbothourowninternalstateandthestateoftheoutsideworld(relevantI.AFFECTINDIMESIONALSPACEconcerns/needs)[1],[5],[8],[10].DespitepioneeringeffortsofSchererandcolleagues(e.g.,[11]),howtousetheappraisal-Emotionsan