A novel numerical viscosity for fourth order hybrid entropy stable shock capturing schemes for convection diffusion equation.
C. R. JishaT. K. RiyasudheenRitesh Kumar DubeyPublished in: J. Comput. Phys. (2022)
Keyphrases
- diffusion equation
- fourth order
- numerical algorithms
- noise removal
- finite difference
- partial differential equations
- anisotropic diffusion
- nonlinear diffusion
- differential equations
- scale space
- numerical methods
- diffusion process
- image enhancement
- scale spaces
- piecewise smooth
- diffusion processes
- noise reduction
- denoising
- numerical solution
- level set
- boundary conditions
- image processing
- image denoising
- edge preserving
- filtering method
- edge detection
- multiscale
- post processing
- edge map
- impulse noise
- high order
- image restoration
- sufficient conditions
- optical flow