A two-level fourth-order approach for time-fractional convection-diffusion-reaction equation with variable coefficients.
Eric NgondiepPublished in: Commun. Nonlinear Sci. Numer. Simul. (2022)
Keyphrases
- fourth order
- diffusion equation
- anisotropic diffusion
- nonlinear diffusion
- diffusion processes
- reaction diffusion
- partial differential equations
- noise removal
- lower order
- diffusion process
- image denoising
- denoising
- scale spaces
- scale space
- wavelet coefficients
- image enhancement
- high order
- boundary conditions
- edge preserving
- edge detection
- noise reduction
- linear combination
- image interpolation
- image processing
- filtering method
- numerical solution
- differential equations
- denoising methods
- higher order
- noisy images
- multiscale
- subband