Preconditioners for ill-posed Toeplitz matrices with differentiable generating functions.
Claudio EstaticoPublished in: Numer. Linear Algebra Appl. (2009)
Keyphrases
- image restoration
- systems of linear equations
- least squares
- objective function
- linear systems
- automatically generating
- coefficient matrix
- image restoration problems
- loss function
- linear transformations
- edge preserving
- bundle adjustment
- iterative methods
- computer vision
- dynamical systems
- multiresolution
- high quality