Preconditioning of Block Toeplitz Matrices by Sine Transforms.
Fabio Di BenedettoPublished in: SIAM J. Sci. Comput. (1997)
Keyphrases
- systems of linear equations
- coefficient matrix
- linear systems
- discrete fourier transform
- least squares
- fourier transform
- lapped transforms
- singular value decomposition
- edge preserving
- interior point methods
- image blocks
- primal dual
- discrete cosine transform
- bundle adjustment
- correlation matrix
- sufficient conditions
- negative matrix factorization
- conjugate gradient
- image coding
- frequency domain