Tree-Based Backtracking Orthogonal Matching Pursuit for Sparse Signal Reconstruction

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="864132.fig.004a" src="https://static.hindawi.com/articles/jam/volume-2013/864132/figures/864132.fig.004a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b> Reconstructed wavelet coefficients after the first selection of the wavelet nodes</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="864132.fig.004b" src="https://static.hindawi.com/articles/jam/volume-2013/864132/figures/864132.fig.004b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b> Backtracking deleting of the wrong nodes after the first iteration of TBOMP</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="864132.fig.004c" src="https://static.hindawi.com/articles/jam/volume-2013/864132/figures/864132.fig.004c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b> Reconstructed wavelet coefficients after the third selection of the wavelet nodes</td></tr></table></td></tr><tr class="fig-image" id="d"><td><img alt="864132.fig.004d" src="https://static.hindawi.com/articles/jam/volume-2013/864132/figures/864132.fig.004d.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(d) </b> Backtracking deleting of the wrong nodes after the third iteration of TBOMP</td></tr></table></td></tr></table>

<table>Reconstruction of TBOMP algorithm.</table>

Journal of Applied Mathematics

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Figure 4

Figure 4: Tree-Based Backtracking Orthogonal Matching Pursuit for Sparse Signal Reconstruction 