On approximation of the Laplace-Beltrami operator and the Willmore energy of surfaces.
Klaus HildebrandtKonrad PolthierPublished in: Comput. Graph. Forum (2011)
Keyphrases
- laplace beltrami
- differential operators
- complex shapes
- shape analysis
- point cloud
- basis functions
- heat kernel
- graph laplacian
- spectral analysis
- riemannian manifolds
- d mesh
- euclidean space
- three dimensional
- shape descriptors
- vector field
- random walk
- range data
- triangular mesh
- wiener filter
- multiscale
- pointwise
- closed form
- mean shift
- laplacian eigenmaps
- image sequences