Wavelet-based Edge Multiscale Finite Element Methods for Singularly Perturbed Convection-Diffusion Equations.
Shubin FuEric T. ChungGuanglian LiPublished in: CoRR (2023)
Keyphrases
- diffusion equation
- finite element methods
- multiscale
- finite difference
- scale space
- edge detection
- partial differential equations
- anisotropic diffusion
- numerical solution
- wavelet transform
- edge detector
- wavelet domain
- noise removal
- image enhancement
- laplacian operator
- edge map
- scale spaces
- diffusion processes
- image processing
- natural images
- diffusion process
- edge information
- nonlinear diffusion
- noisy images
- region growing
- finite element model
- multiresolution
- image denoising
- wavelet coefficients
- image segmentation
- image compression
- image analysis
- noise reduction
- numerical methods
- boundary conditions
- experimental data
- post processing
- higher order
- denoising