Spectral Approximation of Partial Differential Equations in Highly Distorted Domains.
Tormod BjøntegaardEinar M. RønquistØystein TråsdahlPublished in: J. Sci. Comput. (2012)
Keyphrases
- partial differential equations
- solving partial differential equations
- numerical scheme
- level set
- image denoising
- anisotropic diffusion
- numerical solution
- difference equations
- image processing
- multiscale
- mumford shah model
- numerical algorithms
- energy functional
- numerical methods
- fourth order
- differential equations
- finite difference
- problems in image processing
- finite difference method
- mathematical morphology
- image enhancement
- curve evolution
- boundary value problem
- similarity measure
- piecewise constant
- nonlinear diffusion
- high order
- active contours
- image segmentation