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

ANewInterfaceParadigmforMotionCaptureBasedAnimationSystems

FernandoWagnerSerpaVieiradaSilva1,2

LuizVelho1

PauloRomaCavalcanti2

JonasdeMirandaGomes1

{nando,lvelho,roma,jonas}@visgraf.impa.br

1IMPA–InstitutodeMatem´aticaPuraeAplicadaEstradaDonaCastorina,110,22460RiodeJaneiro,RJ,Brazil

2LCG-Laborat´oriodeComputa¸c aoGr´a ca,COPPE-Sistemas/UFRJCaixaPostal68511,21945-970,RiodeJaneiro,RJ,Brazil

Abstract.Thispaperproposesanewuserinterfaceparadigmformotioncapturebasedanimationsystems,providingintuitiveande cientwaystovisualizethemainmotioncaptureconceptsandoperations.Aprototypesystemwasbuilt,implementingtheproposedinterfacemodelandsupportedbya exiblearchitecturethatissuitabletoworkwiththemotioncapturemethodology.

keywords:motioncapture,animationsystems,computeranimation,graphicinterfaces,GUIparadigm,motioncontrol.

1Introduction

TheMotionCapturetechniquehasalreadysetitsplaceinthefutureofcomputeranimation.Thistechniqueprovidestoolsforhigh-qualityanimation,evenwhenreal-timeisrequired.

Initially,themaindrawbackofMotionCapturetechniqueswasthelackofef- cientwaystomodifythecapturedmotion,byadjustingorimprovingspeci cpartsthatneededtobechanged,withouthavingtorepeattheentireacquisitionprocessagain.