Fourth-Order Difference Approximation for Time-Fractional Modified Sub-Diffusion Equation.
Umair AliMuhammad SohailMuhammad UsmanFarah Aini AbdullahIlyas KhanKottakkaran Sooppy NisarPublished in: Symmetry (2020)
Keyphrases
- diffusion equation
- fourth order
- noise removal
- anisotropic diffusion
- partial differential equations
- nonlinear diffusion
- scale space
- diffusion process
- image enhancement
- scale spaces
- denoising
- edge detection
- multiscale
- piecewise smooth
- boundary conditions
- noise reduction
- image denoising
- image processing
- level set
- gaussian noise
- impulse noise
- filtering method
- signal to noise ratio