Linearity preserving nine-point schemes for diffusion equation on distorted quadrilateral meshes.
Jiming WuZihuan DaiZhiming GaoGuangwei YuanPublished in: J. Comput. Phys. (2010)
Keyphrases
- diffusion equation
- anisotropic diffusion
- scale space
- diffusion process
- partial differential equations
- gaussian kernel
- triangular mesh
- noise removal
- filtering method
- image enhancement
- diffusion coefficient
- multiresolution
- nonlinear diffusion
- scale spaces
- boundary conditions
- d mesh
- image processing
- single image
- image analysis
- pattern recognition
- multiscale