Multigrid preconditioning of singularly perturbed convection-diffusion equations.
M. ShahidScott P. MacLachlanH. bin Zubair SyedPublished in: CoRR (2023)
Keyphrases
- diffusion equation
- anisotropic diffusion
- partial differential equations
- edge preserving
- inverse problems
- boundary conditions
- noise removal
- diffusion processes
- scale space
- diffusion process
- scale spaces
- nonlinear diffusion
- image enhancement
- level set
- multiscale
- image denoising
- finite difference
- numerical solution
- edge detection
- image processing
- image reconstruction
- numerical methods
- multiresolution
- sufficient conditions
- image analysis
- image segmentation
- early vision
- diffusion tensor
- filtering method
- structure from motion
- structure tensor
- subband
- coherence enhancing diffusion