A Fast Direct Solver for Elliptic Partial Differential Equations on Adaptively Refined Meshes.
Jingfang HuangLeslie GreengardPublished in: SIAM J. Sci. Comput. (1999)
Keyphrases
- partial differential equations
- image denoising
- anisotropic diffusion
- level set
- image processing
- numerical solution
- boundary value problem
- multiscale
- fourth order
- image enhancement
- energy functional
- numerical methods
- numerical algorithms
- high order
- d mesh
- numerical scheme
- mathematical morphology
- differential equations
- finite difference method
- curve evolution
- diffusion equation
- problems in image processing
- finite difference
- lattice boltzmann
- ambrosio tortorelli
- pattern recognition
- image analysis
- nonlinear diffusion
- multiresolution
- higher order
- edge detection
- natural images