Optimized orthogonal matching pursuit approach
L Rebollo-Neira, D Lowe�- IEEE signal processing Letters, 2002 - ieeexplore.ieee.org
L Rebollo-Neira, D Lowe
IEEE signal processing Letters, 2002•ieeexplore.ieee.orgAn adaptive procedure for signal representation is proposed. The representation is built up
through functions (atoms) selected from a redundant family (dictionary). At each iteration, the
algorithm gives rise to an approximation of a given signal, which is guaranteed (1) to be the
orthogonal projection of a signal onto the subspace generated by the selected atoms and (2)
to minimize the norm of the corresponding residual error. The approach is termed optimized
orthogonal matching pursuit because it improves upon the earlier proposed matching�…
through functions (atoms) selected from a redundant family (dictionary). At each iteration, the
algorithm gives rise to an approximation of a given signal, which is guaranteed (1) to be the
orthogonal projection of a signal onto the subspace generated by the selected atoms and (2)
to minimize the norm of the corresponding residual error. The approach is termed optimized
orthogonal matching pursuit because it improves upon the earlier proposed matching�…
An adaptive procedure for signal representation is proposed. The representation is built up through functions (atoms) selected from a redundant family (dictionary). At each iteration, the algorithm gives rise to an approximation of a given signal, which is guaranteed (1) to be the orthogonal projection of a signal onto the subspace generated by the selected atoms and (2) to minimize the norm of the corresponding residual error. The approach is termed optimized orthogonal matching pursuit because it improves upon the earlier proposed matching pursuit and orthogonal matching pursuit approaches.
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