Two-level preconditioners for regularized inverse problems I: Theory.
Martin HankeCurtis R. VogelPublished in: Numerische Mathematik (1999)
Keyphrases
- inverse problems
- regularization methods
- regularization method
- image restoration problems
- image reconstruction
- convex optimization
- global optimization
- optimization methods
- image restoration
- edge preserving
- least squares
- emission tomography
- total variation
- image sequences
- early vision
- optimization problems
- search space