Wavelet-based Edge Multiscale Finite Element Methods for Singularly Perturbed Convection-Diffusion Equations.

Shubin Fu Eric T. Chung Guanglian Li

Published 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