Algebraic multigrid block preconditioning for multi-group radiation diffusion equations.
Xiaoqiang YueShulei ZhangXiaowen XuShi ShuWeidong ShiPublished in: CoRR (2020)
Keyphrases
- diffusion equation
- anisotropic diffusion
- partial differential equations
- edge preserving
- boundary conditions
- scale space
- inverse problems
- diffusion process
- noise removal
- multiscale
- pattern formation
- image analysis
- nonlinear diffusion
- multiresolution
- scale spaces
- finite difference
- image enhancement
- pattern recognition
- computer vision
- image denoising
- shape from shading
- natural images
- image processing