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Denis Kravtsov, Oleg Fryazinov, Valery Adzhiev, Alexander Pasko and Peter Comninos Controlled Metamorphosis Between Skeleton-Driven Animated Polyhedral Meshes of Arbitrary Topologies Computer Graphics Forum 33

Version of Record online: 18 OCT 2013 | DOI: 10.1111/cgf.12254

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Enabling animators to smoothly transform between animated meshes of differing topologies is a long-standing problem in geometric modelling and computer animation. In this paper, we propose a new hybrid approach built upon the advantages of scalar field-based models (often called implicit surfaces) which can easily change their topology by changing their defining scalar field. Given two meshes, animated by their rigging-skeletons, we associate each mesh with its own approximating implicit surface. This implicit surface moves synchronously with the mesh. The shape-metamorphosis process is performed in several steps: first, we collapse the two meshes to their corresponding approximating implicit surfaces, then we transform between the two implicit surfaces.

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