Approximate Sparsity and Nonlocal Total Variation Based Compressive MR Image Reconstruction

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="137616.fig.007a" src="https://static.hindawi.com/articles/mpe/volume-2014/137616/figures/137616.fig.007a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Chest</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="137616.fig.007b" src="https://static.hindawi.com/articles/mpe/volume-2014/137616/figures/137616.fig.007b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Artery</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="137616.fig.007c" src="https://static.hindawi.com/articles/mpe/volume-2014/137616/figures/137616.fig.007c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Cardiac</td></tr></table></td></tr><tr class="fig-image" id="d"><td><img alt="137616.fig.007d" src="https://static.hindawi.com/articles/mpe/volume-2014/137616/figures/137616.fig.007d.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(d) </b>Brain</td></tr></table></td></tr></table>

<table>Performance comparisons (CPU-time versus SNR) on different MR images.</table>

Mathematical Problems in Engineering

fig7

Figure 7

Figure 7: Approximate Sparsity and Nonlocal Total Variation Based Compressive MR Image Reconstruction 