Bi-level iterative regularization for inverse problems in nonlinear PDEs.
Tram Thi Ngoc NguyenPublished in: CoRR (2023)
Keyphrases
- inverse problems
- bi level
- partial differential equations
- diffusion equation
- image reconstruction
- global optimization
- gray scale
- anisotropic diffusion
- nonlinear diffusion
- image denoising
- convex optimization
- regularization method
- high order
- optimization methods
- level set
- optimization problems
- image processing
- regularization methods
- image enhancement
- energy functional
- image compression
- multiscale
- computationally expensive
- edge preserving
- curve evolution
- super resolution
- color images