A method of 3D surface correspondence and interpolation for merging shape examples

被引:15
|
作者
Brett, AD [1 ]
Hill, A [1 ]
Taylor, CJ [1 ]
机构
[1] Univ Manchester, Dept Med Biophys, Manchester M13 9PT, Lancs, England
关键词
automated landmarking; 3D; point distribution models; correspondence;
D O I
10.1016/S0262-8856(98)00184-X
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
A method for corresponding the triangulated mesh surface representations of two shapes is presented. It comprises a method of polyhedral mesh decimation and a symmetric version of the iterative Closest Point (ICP) algorithm. The method produces a matching pair of sparse polyhedral approximations, one for each shape surface, using a global Euclidean measure of similarity. A method of surface patch parameterisation is presented which uses minimal paths constructed across the surface of a polyhedron. We describe the use of this patch parameterisation in the interpolation of surfaces for the construction of a merged mean shape with a densely triangulated surface. Results are presented for the production of a binary tree of merged biological shapes which may be used as a basis for the automated landmarking of a set of examples. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:635 / 642
页数:8
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