Circulant preconditioners for Toeplitz-block matrices.
Tony F. ChanJulia A. OlkinPublished in: Numer. Algorithms (1994)
Keyphrases
- coefficient matrix
- systems of linear equations
- linear systems
- iterative methods
- least squares
- singular value decomposition
- bundle adjustment
- fourier transform
- edge preserving
- dynamical systems
- sufficient conditions
- interior point methods
- preconditioned conjugate gradient method
- condition number
- block size
- noise reduction
- singular values
- image restoration
- optical flow
- pairwise
- image blocks
- motion vectors
- frequency domain
- positive definite
- matrix representation
- signal processing
- data sets