An implicit wavelet sparse approximate inverse preconditioner using block finger pattern.
Akira ImakuraTomohiro SogabeS.-L. ZhangPublished in: Numer. Linear Algebra Appl. (2009)
Keyphrases
- coefficient matrix
- wavelet transform
- pattern matching
- multiresolution
- multiscale
- pattern discovery
- linear systems
- wavelet decomposition
- high dimensional
- iterative methods
- sparse data
- multi fractal
- block wise
- wavelet packet
- sparse representation
- edge preserving
- wavelet domain
- image blocks
- compressive sensing
- wavelet analysis
- bitstream
- feature vectors
- image processing