Bounds for the N Lowest Eigenvalues of Fourth-Order Boundary Value Problems.
Christian WienersPublished in: Computing (1997)
Keyphrases
- fourth order
- boundary value problem
- partial differential equations
- numerical solution
- anisotropic diffusion
- noise removal
- differential equations
- image denoising
- high order
- level set
- image processing
- upper bound
- image enhancement
- boundary conditions
- nonlinear diffusion
- image interpolation
- multiscale
- lower bound
- diffusion equation
- covariance matrix
- numerical methods
- natural images
- worst case
- denoising
- edge preserving