A swapping-based refinement of orthogonal matching pursuit strategies

A swapping-based refinement of orthogonal matching pursuit strategies is introduced. The approach is based on recursive forward and backward biorthogonalisation techniques for adapting orthogonal projections. The resulting algorithm, which improves upon orthogonal matching pursuit methods, is fast a...

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Bibliographic Details
Published in:Signal processing 2006-03, Vol.86 (3), p.480-495
Main Authors: Andrle, Miroslav, Rebollo-Neira, Laura
Format: Article
Language:English
Subjects:
Adaptive biorthogonalisation
B-spline dictionaries
Greedy algorithms
Matching pursuit
Nonlinear approximation
Sparse representation
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Summary:A swapping-based refinement of orthogonal matching pursuit strategies is introduced. The approach is based on recursive forward and backward biorthogonalisation techniques for adapting orthogonal projections. The resulting algorithm, which improves upon orthogonal matching pursuit methods, is fast and easy to implement.
ISSN:0165-1684
1872-7557
DOI:10.1016/j.sigpro.2005.05.034