Galerkin approximation of a nonlocal diffusion equation on Euclidean and fractal domains.
Georgi S. MedvedevPublished in: CoRR (2023)
Keyphrases
- diffusion equation
- partial differential equations
- image denoising
- anisotropic diffusion
- numerical integration
- differential equations
- gaussian kernel
- scale space
- denoising
- diffusion process
- image enhancement
- noise removal
- image processing
- piecewise smooth
- nonlinear diffusion
- finite difference
- diffusion coefficient
- natural images
- multiscale
- filtering method
- noisy images
- level set
- boundary conditions
- closed form
- image restoration
- left invariant
- euclidean space
- image compression
- wavelet coefficients
- sufficient conditions
- image analysis
- preprocessing