A new wavelet preconditioner for finite difference operators.
Anne-Sophie PiquemalJacques LiandratPublished in: Adv. Comput. Math. (2005)
Keyphrases
- finite difference
- finite element
- partial differential equations
- numerical solution
- numerical analysis
- hamilton jacobi
- wavelet transform
- multiscale
- denoising
- level set
- numerical scheme
- translation invariant
- wavelet coefficients
- edge preserving
- multiresolution
- diffusion equation
- low frequency
- linear systems
- boundary conditions
- image enhancement