Numerical solution of nonlinear elliptic partial differential equations by a generalized conjugate gradient method.
Paul ConcusGene H. GolubDianne P. O'LearyPublished in: Computing (1978)
Keyphrases
- numerical solution
- partial differential equations
- conjugate gradient method
- boundary value problem
- finite difference
- diffusion equation
- ordinary differential equations
- difference equations
- anisotropic diffusion
- differential equations
- image denoising
- level set
- image processing
- image enhancement
- high order
- objective function
- multiscale
- numerical methods
- positive definite
- curve evolution
- energy functional
- finite element method
- numerical scheme
- denoising
- natural images
- wavelet transform