Kolmogorov widths and low-rank approximations of parametric elliptic PDEs.
Markus BachmayrAlbert CohenPublished in: Math. Comput. (2017)
Keyphrases
- partial differential equations
- low rank approximation
- singular value decomposition
- level set
- image denoising
- anisotropic diffusion
- spectral clustering
- low rank
- subspace learning
- image processing
- energy functional
- kernel matrix
- iterative algorithms
- high order
- data dependent
- nonnegative matrix factorization
- multiscale
- active contours