Adaptive computation of smallest eigenvalues of self-adjoint elliptic partial differential equations.
Volker MehrmannAgnieszka MiedlarPublished in: Numer. Linear Algebra Appl. (2011)
Keyphrases
- partial differential equations
- image denoising
- anisotropic diffusion
- level set
- image processing
- numerical solution
- boundary value problem
- image enhancement
- multiscale
- differential equations
- numerical methods
- energy functional
- problems in image processing
- fourth order
- curve evolution
- finite difference
- mathematical morphology
- finite difference method
- diffusion equation
- principal component analysis
- numerical scheme
- ambrosio tortorelli
- wavelet coefficients
- higher order
- natural images
- numerical algorithms
- conservation laws
- optimal control
- shape analysis