Sparse spectral methods for partial differential equations on spherical caps.
Ben SnowballSheehan OlverPublished in: CoRR (2020)
Keyphrases
- partial differential equations
- spectral methods
- spectral analysis
- manifold learning
- random walk
- level set
- anisotropic diffusion
- image denoising
- image processing
- spectral clustering
- image enhancement
- high dimensional
- graph partitioning
- multiscale
- data mining applications
- graph clustering
- laplacian matrix
- high order
- multi label
- sparse representation
- bit rate
- natural images
- higher order
- adjacency matrix
- image analysis
- feature extraction