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Structsurfel: Physical Structure Parameterized Surfel for Animation
Yang Qi,Li Sheng * #
School of Electronics Engineering and Computer Science, Peking University
*Correspondence author
#Submitted by
Funding: Specialized Research Fund for the Doctoral Program of Higher Education (No.20070001024)
Opened online:16 February 2011
Accepted by: none
Citation: Yang Qi,Li Sheng.Structsurfel: Physical Structure Parameterized Surfel for Animation[OL]. [16 February 2011] http://en.paper.edu.cn/en_releasepaper/content/4408906
Animation methods of point based model are always lack of efficiency since using point based resampling and relaxation algorithms will have to access every animated surface point of the model. This paper presents a new method for accelerated animation of point based models by introducing new parameters to surface splatting. Differs to the classical method, surface splatting of the model are divided into soft parts and hard parts, hard parts are grouped into blocks and animated while soft parts are generated on the fly using GPU subdivision during the animation process instead of using low efficiency relaxation or resampling methods. The animation process includes two lines: assemble line which constructs the structsurfels and pseudo topology information which is needed by the soft part generation by physical parameters; animation line generates the animation of hard parts and soft parts of the structsurfel model by combining the point based methods and subdivision methods. We achieved a high performance and a same quality of animation compared to the traditional methods.
Keywords:computer graphics; animation; point model; acceleration

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