Graph spectral image smoothing using the heat kernel.
Fan ZhangEdwin R. HancockPublished in: Pattern Recognit. (2008)
Keyphrases
- heat equation
- heat kernel
- image smoothing
- graph laplacian
- graph structure
- spectral analysis
- shape analysis
- weight matrix
- image processing and computer vision
- laplace beltrami
- minimum spanning tree
- shape descriptors
- euclidean distance
- spanning tree
- geodesic distance
- spatially varying
- shape matching
- random walk
- scale space
- diffusion process
- euclidean space
- weighted graph
- edge preserving
- bilateral filtering
- kernel machines
- spectral clustering
- multiscale
- manifold structure
- adjacency matrix
- normalized cut
- region boundaries
- directed graph
- computer vision
- neighborhood graph
- nonlinear diffusion
- graph partitioning
- partial differential equations
- pairwise