Multilevel First-Order System Least Squares for Nonlinear Elliptic Partial Differential Equations.
A. L. CoddThomas A. ManteuffelStephen F. McCormickPublished in: SIAM J. Numer. Anal. (2003)
Keyphrases
- partial differential equations
- least squares
- boundary value problem
- diffusion equation
- finite difference
- nonlinear partial differential equations
- difference equations
- sparse linear
- anisotropic diffusion
- numerical solution
- nonlinear diffusion
- level set
- image denoising
- image processing
- scalar valued
- high order
- differential equations
- image enhancement
- conservation laws
- fourth order
- multiscale
- numerical methods
- higher order
- nonlinear filters
- piecewise smooth
- robust estimation
- energy functional
- numerical algorithms
- numerical integration
- mathematical morphology
- problems in image processing
- numerical scheme
- boundary conditions
- curve evolution
- denoising
- object recognition