Preconditioned techniques for solving large sparse linear systems arising from the discretization of the elliptic partial differential equations.
Seyedeh Mahboubeh Molavi-ArabshahiMehdi DehghanPublished in: Appl. Math. Comput. (2007)
Keyphrases
- partial differential equations
- sparse linear systems
- linear systems
- anisotropic diffusion
- numerical solution
- level set
- image denoising
- image processing
- boundary value problem
- numerical methods
- energy functional
- differential equations
- image enhancement
- fourth order
- finite difference
- multiscale
- curve evolution
- numerical algorithms
- numerical scheme
- problems in image processing
- mathematical morphology
- finite difference method
- diffusion equation
- high order
- sufficient conditions
- conservation laws
- feature vectors
- lattice boltzmann