A Fast Direct Solver for a Class of Elliptic Partial Differential Equations.
Per-Gunnar MartinssonPublished in: J. Sci. Comput. (2009)
Keyphrases
- partial differential equations
- image denoising
- level set
- anisotropic diffusion
- numerical solution
- image enhancement
- image processing
- numerical methods
- multiscale
- boundary value problem
- problems in image processing
- mathematical morphology
- numerical algorithms
- diffusion equation
- nonlinear filters
- nonlinear diffusion
- differential equations
- curve evolution
- numerical scheme
- finite difference
- high order
- fourth order
- finite difference method
- energy functional
- machine learning
- natural images
- pattern recognition
- computer vision