Preconditioning for PDE-constrained optimization with total variation regularization.
Hongyi LiChaojie WangDi ZhaoPublished in: Appl. Math. Comput. (2020)
Keyphrases
- constrained optimization
- total variation regularization
- augmented lagrangian
- matrix valued
- iterative methods
- image denoising
- partial differential equations
- constrained optimization problems
- inverse problems
- total variation
- edge preserving
- objective function
- penalty function
- anisotropic diffusion
- denoising
- primal dual
- valued data
- natural images
- vector valued
- image deblurring
- lagrange multipliers
- dt mri
- image processing
- bundle adjustment
- locally adaptive
- regularization parameter
- structure tensor
- fourth order