Least-Squares Finite Element Methods and Algebraic Multigrid Solvers for Linear Hyperbolic PDEs.
Hans De SterckThomas A. ManteuffelStephen F. McCormickLuke N. OlsonPublished in: SIAM J. Sci. Comput. (2004)
Keyphrases
- partial differential equations
- finite element methods
- finite difference
- least squares
- numerical solution
- difference equations
- sparse linear
- image denoising
- anisotropic diffusion
- level set
- image processing
- image enhancement
- diffusion equation
- numerical methods
- curve evolution
- linear systems
- energy functional
- denoising
- multiscale
- differential equations
- natural images
- diffusion process
- finite element
- linear program
- active contours
- curve fitting
- graph cuts
- optical flow
- image analysis
- image segmentation