Low regularity primal-dual weak Galerkin finite element methods for convection-diffusion equations.
Chunmei WangLudmil T. ZikatanovPublished in: J. Comput. Appl. Math. (2021)
Keyphrases
- diffusion equation
- primal dual
- finite element methods
- partial differential equations
- finite difference
- numerical solution
- anisotropic diffusion
- linear programming
- convex optimization
- image denoising
- linear program
- image processing
- diffusion processes
- diffusion process
- scale space
- approximation algorithms
- convergence rate
- level set
- differential equations
- image enhancement
- algorithm for linear programming
- total variation
- noise removal
- multiscale
- filtering method
- boundary conditions
- finite element model
- high order
- denoising
- numerical methods
- optimal solution
- curve evolution
- finite element
- multiresolution
- noisy images
- image analysis
- special case
- wavelet transform
- reinforcement learning
- image sequences