Localized Components Analysis(8)

Abstract. We introduce Localized Components Analysis (LoCA) for describing surface shape variation in an ensemble of biomedical objects using a linear subspace of spatially localized shape components. In contrast to earlier methods, LoCA optimizes explicit

LocalizedComponentsAnalysis

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Fig.5.Frontandbackviewsofdisplacementsonprimatehumeri.Displacementsofthelandmarkpointsarecomputedusingdi erentmethods,andtheninterpolatedontothemeshusingathin-plate-spline.Darkerlocationsindicategreaterdisplacementmagnitudes.LoCAcomponentsdescribethearticularsurfacesatthetwoextremitiesaswellasdeformationsoftheshaft.