Exponential Convergence for Multiscale Linear Elliptic PDEs via Adaptive Edge Basis Functions.
Yifan ChenThomas Y. HouYixuan WangPublished in: CoRR (2020)
Keyphrases
- basis functions
- multiscale
- partial differential equations
- linear combination
- operator splitting
- edge detection
- linear approximation
- low order
- b spline
- state space
- image processing
- radial basis function
- level set
- nonlinear functions
- numerical solution
- anisotropic diffusion
- image denoising
- matching pursuit
- image representation
- natural images
- wavelet transform
- single scale
- set of basis functions
- wavelet bases
- scale space
- spherical harmonics
- image segmentation
- wavelet coefficients
- search algorithm
- signal reconstruction
- hilbert transform
- series expansion
- differential equations
- orthonormal basis