A discrete scheme of Laplace-Beltrami operator and its convergence over quadrilateral meshes.
Dan LiuGuoliang XuQin ZhangPublished in: Comput. Math. Appl. (2008)
Keyphrases
- laplace beltrami
- d mesh
- triangular mesh
- point cloud
- shape analysis
- basis functions
- graph laplacian
- spectral analysis
- heat kernel
- riemannian manifolds
- three dimensional
- wiener filter
- shape descriptors
- image processing
- euclidean space
- spectral clustering
- structure from motion
- differential operators
- laplacian eigenmaps
- complex shapes
- point sets
- random walk
- multiresolution
- multiscale