Backward-optimized orthogonal matching pursuit approach

被引:38
作者
Andrle, M [1 ]
Rebollo-Neira, L [1 ]
Sagianos, E [1 ]
机构
[1] Aston Univ, NCRG, Birmingham B4 7ET, W Midlands, England
基金
英国工程与自然科学研究理事会;
关键词
adaptive signal representation; coefficients reduction; data compression; greedy algorithms; matching pursuit nonlinear signal approximation;
D O I
10.1109/LSP.2004.833503
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A recursive approach for shrinking coefficients of an atomic decomposition is proposed. The corresponding algorithm evolves so as to provide at each iteration 1) the orthogonal projection of a signal onto a reduced subspace and 2) the index of the coefficient to be disregarded in order to construct a coarser approximation minimizing the norm of the residual error.
引用
收藏
页码:705 / 708
页数:4
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