简介：Inordertohighrealityandefficiency,thetechniqueofmotioncapture(MoCap)hasbeenwidelyusedinthefieldofcomputeranimation.Withthedevelopmentofmotioncapture,alargeamountofmotioncapturedatabasesareavailableandthisissignificantforthereuseofmotiondata.Butduetothehighdegreeoffreedomsandhighcapturefrequency,thedimensionofthemotioncapturedataisusuallyveryhighandthiswillleadtoalowefficiencyindataprocessing.Sohowtoprocessthehighdimensiondataanddesignanefficientandeffectiveretrievalapproachhasbecomeachallengewhichwecan'tignore.Inthispaper,firstwelayoutsomeproblemsaboutthekeytechniquesinmotioncapturedataprocessing.Thentheexistingapproachesareanalyzedandsummarized.Atlast,somefutureworkisproposed.
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