A preconditioned numerical solver for stiff nonlinear reaction-diffusion equations with fractional Laplacians that avoids dense matrices.
Alex SimmonsQianqian YangTimothy J. MoroneyPublished in: J. Comput. Phys. (2015)
Keyphrases
- diffusion equation
- fractional order
- reaction diffusion
- finite difference
- scale space
- anisotropic diffusion
- partial differential equations
- diffusion process
- boundary conditions
- image enhancement
- nonlinear diffusion
- noise removal
- scale spaces
- filtering method
- numerical solution
- diffusion processes
- pattern formation
- multiscale
- edge map
- numerical analysis
- image analysis
- finite element
- differential equations
- post processing
- sufficient conditions
- edge detection
- pattern recognition
- image segmentation
- image processing
- computer vision