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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Yoshiyasu, Y. Yoshida, E. Yokoi, K. Sagawa, R. |
| Copyright Year | 2014 |
| Description | Author affiliation: AIST JRL (Joint Robot. Lab.), Nat. Inst. of Adv. Ind. Sci. & Technol. (AIST), Tsukuba, Japan (Yoshiyasu, Y.; Yoshida, E.; Yokoi, K.; Sagawa, R.) |
| Abstract | We present a nonrigid shape matching technique for establishing correspondences of incomplete 3D surfaces that exhibit intrinsic reflectional symmetry. The key for solving the symmetry ambiguity problem is to use a point-wise local mesh descriptor that has orientation and is thus sensitive to local reflectional symmetry, e.g. discriminating the left hand and the right hand. We devise a way to compute the descriptor orientation by taking the gradients of a scalar field called the average diffusion distance (ADD). Because ADD is smoothly defined on a surface, invariant under isometry/scale and robust to topological errors, the robustness of the descriptor to non-rigid deformations is improved. In addition, we propose a graph matching algorithm called iterative spectral relaxation which combines spectral embedding and spectral graph matching. This formulation allows us to define pairwise constraints in a scale-invariant manner from k-nearest neighbor local pairs such that non-isometric deformations can be robustly handled. Experimental results show that our method can match challenging surfaces with global intrinsic symmetry, data incompleteness and non-isometric deformations. |
| Starting Page | 4193 |
| Ending Page | 4200 |
| File Size | 2977144 |
| Page Count | 8 |
| File Format | |
| ISBN | 9781479951185 |
| ISSN | 10636919 |
| DOI | 10.1109/CVPR.2014.534 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-06-23 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Shape Robustness Vectors Three-dimensional displays Iterative closest point algorithm Noise Convergence graph matching Nonrigid shape matching feature descriptor |
| Content Type | Text |
| Resource Type | Article |
| Subject | Computer Vision and Pattern Recognition Software |
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