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《Journal of Graphics》 2014-05
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One Effective Method of Identifying Feature Edges of Triangular Meshes

Zhang Wei;Jin Tao;Department of Mechanical Engineering, Zhejiang Institute of Mechanical & Electrical Engineering;Institute of Chemical Machinery, Zhejiang University;  
Feature edges identification for triangular meshes is widely used in digital geometry processing and computer aided manufacturing(CAM) of dies. The shortcomings and corresponding origin of the existing algorithms about feature edges detection are pointed out in the paper. Furthermore, a new robust algorithm that identifies feature edges of triangular meshes is presented. The proposed algorithm is based on the identification of feature vertices of the mesh, and it can identify the edges with small dihedral angles which are often ignored by the existing algorithms. The proposed algorithm can improve the accuracy of identifying mesh edges with C1 discontinuities. This conclusion is supported by lots of examples in the paper.
【Fund】: 浙江省自然科学基金资助项目(Y1110999);; 国家质检总局科技计划项目(2012QK384)
【CateGory Index】: TP391.41
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Chinese Journal Full-text Database 1 Hits
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Chinese Journal Full-text Database 6 Hits
1 Wang Weiming1),Liu Xiuping1)*,Yang Zhouwang2),and Liu Ligang2) 1)(School of Mathematical Sciences,Dalian University of Technology,Dalian 116024) 2)(School of Mathematical Sciences,University of Science and Technology of China,Hefei 230026);Sparsity Optimized Mesh Feature Detection[J];Journal of Computer-Aided Design & Computer Graphics;2013-08
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6 MIAO Yong-wei;WANG Hong-jun;SHOU Hua-hao;College of Computer Science and Technology,Zhejiang University of Technology;College of Science,Zhejiang University of Technology;;A fast extraction algorithm for loop feature lines[J];Journal of Zhejiang University of Technology;2013-05
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