First-Order Sign-Invariants and Exact Solutions of the Radially Symmetric Nonlinear Diffusion Equations with Gradient-Dependent Diffusivities.
Lina JiXiankang LuoJiao ZengMin XiaoYuanhua MengPublished in: Symmetry (2022)
Keyphrases
- diffusion equation
- nonlinear diffusion
- radially symmetric
- structure tensor
- anisotropic diffusion
- scale space
- noise removal
- scale spaces
- diffusion process
- partial differential equations
- image enhancement
- edge detection
- straight line
- boundary conditions
- omni directional
- coherence enhancing diffusion
- higher order
- finite difference
- edge map
- filtering method
- denoising
- video sequences
- multiscale
- image denoising
- level set
- computer vision