A higher-order hybrid numerical scheme for singularly perturbed convection-diffusion problem with boundary and weak interior layers.
Anirban MajumdarSrinivasan NatesanPublished in: Int. J. Math. Model. Numer. Optimisation (2020)
Keyphrases
- numerical scheme
- diffusion equation
- higher order
- anisotropic diffusion
- partial differential equations
- diffusion process
- scale space
- semi implicit
- nonlinear diffusion
- finite difference
- noise removal
- high order
- edge detection
- boundary conditions
- image enhancement
- scale spaces
- natural images
- energy functional
- nonlinear diffusion filtering
- edge map
- markov random field
- diffusion tensor
- variational methods
- multiscale
- color image processing
- level set
- beltrami flow
- pairwise
- object boundaries
- structure tensor
- image analysis