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Published in:
2010 | OriginalPaper | Chapter
A Local-Frame Based Method for Vector Field Construction on Raw Point Cloud
Authors : Xufang Pang, Zhan Song, Xi Chen
Published in: Advances in Visual Computing
Publisher: Springer Berlin Heidelberg
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Direction fields are an essential ingredient in controlling surface appearance for applications ranging from anisotropic shading to texture synthesis and non-photorealistic rendering. Applying local principal covariance analysis, we present a simplistic way for constructing local frames used for vector field generation on point-sampled models. Different kinds of vector fields can be achieved by assigning different planar vectors to the local coordinates. Unlike previous methods, in the proposed algorithm, there is no need of user constraints or any extra smoothing and relaxation process. Experimental results in the isotropic remeshing and texture synthesis are used to demonstrate its performance.