IEEE Trans Vis Comput Graph - Shape Deformation via Interior RBF.

Tópicos

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Resumo

We present a new framework for real-time shape deformation with local shape preservation and volume control. Given a 3D object, in any form, one would like to manipulate the object using convenient handles, so that the resulting shape is a natural variation of the given object. It is also important that the deformation is controlled, thereby enabling localized changes that do not influence nearby branches. For example, given a horse model, a movement of one of its hooves should not affect the other hooves. Another goal is the minimization of local shape distortion throughout the object. The first ingredient of our method is the use of Interior Radial Basis Functions (IRBF), where the functions are radial with respect to interior distances within the object. The second important ingredient is the reduction of local distortions by minimizing the distortion of a set of spheres placed within the object. Our method achieves the goals of convenient shape manipulation and local influence property, and improves the latest state-of-the-art cage-based methods by replacing the cage with the more flexible IRBF centers. We also suggest the IRBF interpolation method that can extend any surface mapping to the whole subspace in a shape-aware manner.

Resumo Limpo

present new framework realtim shape deform local shape preserv volum control given d object form one like manipul object use conveni handl result shape natur variat given object also import deform control therebi enabl local chang influenc nearbi branch exampl given hors model movement one hoov affect hoov anoth goal minim local shape distort throughout object first ingredi method use interior radial basi function irbf function radial respect interior distanc within object second import ingredi reduct local distort minim distort set sphere place within object method achiev goal conveni shape manipul local influenc properti improv latest stateoftheart cagebas method replac cage flexibl irbf center also suggest irbf interpol method can extend surfac map whole subspac shapeawar manner

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