A level-set multigrid technique for nonlinear diffusion in the numerical simulation of marble degradation under chemical pollutants.
Armando CocoMatteo SempliceStefano Serra CapizzanoPublished in: Appl. Math. Comput. (2020)
Keyphrases
- nonlinear diffusion
- level set
- partial differential equations
- numerical simulations
- anisotropic diffusion
- lattice boltzmann
- nonlinear diffusion filtering
- diffusion equation
- active contours
- level set method
- theoretical analysis
- curve evolution
- numerical solution
- scale spaces
- image segmentation
- energy functional
- shape prior
- differential equations
- structure tensor
- energy function
- numerical scheme
- finite difference
- semi implicit
- edge preserving
- variational framework
- image denoising
- piecewise constant
- high order
- computer vision
- numerical methods