A new interface paradigm for motion capture based animation systems(21)

Abstract. This paper proposes a new user interface paradigm for motion capture based animation systems, providing intuitive and efficient ways to visualize the main motion capture concepts and operations. A prototype system was built, implementing the prop

ingresultsthatencourageustoimproveitevenmore,withfeatureslike:

implementationofotheradvancedmotionoperations([9],[11],[12]),com-paringtheirresultsandextractingconclusionsandsuggestionsforimprove-mentsand/ornewtechniques.Inthiscase,thesystemwillserveasatestbedfornewmotioncaptureprocessingtechniques.

insertionofprocedural[15]andbehavioral[18]animation“plug-ins”inthesystem.Inthe rstcase,capturedmotionscouldactasaregentfactor,guidingtheproceduralobjects.Inthesecondcase,thebehavioralfunctionscouldcontroltheprocessingmodule,combiningandmodifyingcapturedmotionstoimprovethevisualqualityoftheanimations.

combinationofmotioncapturewithsound.Inthiscase,thetime-markerscouldbeusedtosynchronizethekeymomentsinthemotionwiththetem-poraldescriptionofthesound.

5Acknowledgements

TheauthorswouldliketothankViewpointDatalabs,Inc.andBiovision,Inc.foraccesstomotioncapturedata,andtotheBrazilianCouncilforScienti candTechnologicaldevelopment(CNPq)forthe nancialsupport.ThisresearchhasbeendevelopedinthelaboratoryofVISGRAFprojectatIMPAandatLCG/UFRJ,aspartoftheMasterprogrameeofthe rstauthor.ThisprojectissponsoredbyCNPq,FAPERJ,FINEPandIBMBrasil.Alsothanksareduetothereviewersfortheirvaluablecomments.

6References

[1]Ginsberg,C.M.,HumanBodyMotionasInputtoanAnimatedGraphicalDisplay.MasterThesis,MassachusettsInstituteofTechnology,May1983.

[2]Maxwell,D.R.,GraphicalMarionette:AModerndayPinocchio.MasterThesis,MassachusettsInstituteofTechnology,June1983.

[3]Zeltzer,D.andSims,F.,AFigureEditorandGaitControllerforTaskLevelAnimation.InComputerGraphics(SIGGRAPH’88),CourseNotes,no.4,164-181.

[4]Silva,F.,Velho,L.,Cavalcanti,P.andGomes,J.M.,AnArchi-tectureforMotionCaptureBasedAnimation.(preprint),1997.

[5]Dyer,S.,Martin,J.andZulauf,J.,MotionCaptureWhitePaper.TechnicalReport.SiliconGraphics,December12,1995.

[6]CharacterMotionSystems.InComputerGraphics(SIGGRAPH’94),Courseno.9.

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