Regularization Techniques for Numerical Approximation of PDEs with Singularities.
Anna-Karin TornbergBjörn EngquistPublished in: J. Sci. Comput. (2003)
Keyphrases
- solving partial differential equations
- partial differential equations
- numerical scheme
- finite difference
- curve evolution
- regularization method
- anisotropic diffusion
- level set
- mumford shah
- image denoising
- numerical solution
- numerical algorithms
- energy functional
- multiscale
- numerical methods
- image processing
- error bounds
- mathematical morphology
- finite element
- image enhancement
- fourth order
- sparse approximation
- approximation error
- active contour model
- numerical analysis
- hamilton jacobi
- sensitivity analysis
- closed form
- natural images
- regularization term
- shape prior
- prior information
- mumford shah functional
- variational formulation
- high order
- dynamical systems
- graph cuts
- special case
- matrix valued
- numerical calculation
- image segmentation