Differential Geometry Approach to 3D Partially Similar Object Matching
GUO Ke-Hua1,2, LIU Chuan-Cai1, YANG Jing-Yu1
1.School of Computer Science and Technology, Nanjing University of Science and Technology, Nanjing 2100942. School of Information Science and Engineering, Central South University, Changsha 410083
Abstract Based on Gaussian curvature and mean curvature, a 3D partially similar object matching approach is proposed. Firstly, the point-pair set is constructed by filtrating points with similar inherent characteristic. Next, the triangle-pair set is formed after searching similar triangles in the point-pair set. Finally, scoring function is employed to determine the optimal transformation in triangle-pair set. Experimental results show good matching efficiency and running time complexity in the partial surface matching of irregular surfaces.
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2008, Vol. 21 
