The Nonlocal Sparse Reconstruction Algorithm by Similarity Measurement with Shearlet Feature Vector

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="586014.fig.003a" src="https://static.hindawi.com/articles/mpe/volume-2014/586014/figures/586014.fig.003a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Noisy</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="586014.fig.003b" src="https://static.hindawi.com/articles/mpe/volume-2014/586014/figures/586014.fig.003b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Original</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="586014.fig.003c" src="https://static.hindawi.com/articles/mpe/volume-2014/586014/figures/586014.fig.003c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>NSCT</td></tr></table></td></tr><tr class="fig-image" id="d"><td><img alt="586014.fig.003d" src="https://static.hindawi.com/articles/mpe/volume-2014/586014/figures/586014.fig.003d.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(d) </b>SSBM3D</td></tr></table></td></tr><tr class="fig-image" id="e"><td><img alt="586014.fig.003e" src="https://static.hindawi.com/articles/mpe/volume-2014/586014/figures/586014.fig.003e.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(e) </b>MK-SVD</td></tr></table></td></tr><tr class="fig-image" id="f"><td><img alt="586014.fig.003f" src="https://static.hindawi.com/articles/mpe/volume-2014/586014/figures/586014.fig.003f.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(f) </b>Proposed</td></tr></table></td></tr></table>

<table>Restoration performance comparison on Bridge (<svg height="11.125" id="M127" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 45.474998 11.125" width="45.474998" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,10.862)"><path d="M548 455q-32 -77 -74 -77q-37 0 -103 10l-3 -2q36 -30 48.5 -62t12.5 -80q0 -103 -75 -179.5t-175 -76.5q-70 0 -113 45t-43 128q0 115 83.5 200.5t209.5 85.5q31 0 77.5 -4t67.5 -4q36 0 62 30zM350 274q0 54 -17 86q-19 35 -57 35q-50 0 -90 -37.5t-59 -91.5t-19 -109
q0 -61 24.5 -96.5t65.5 -35.5q51 0 87.5 46.5t50.5 100.5t14 102z" id="x1D70E"></path></g><g transform="matrix(.017,-0,0,-.017,14.375,10.862)"><path d="M535 323h-483v50h483v-50zM535 138h-483v50h483v-50z" id="x3D"></path></g><g transform="matrix(.017,-0,0,-.017,29.079,10.862)"><path d="M412 140l28 -9q0 -2 -35 -131h-373v23q112 112 161 170q59 70 92 127t33 115q0 63 -31 98t-86 35q-75 0 -137 -93l-22 20l57 81q55 59 135 59q69 0 118.5 -46.5t49.5 -122.5q0 -62 -29.5 -114t-102.5 -130l-141 -149h186q42 0 58.5 10.5t38.5 56.5z" id="x32"></path></g><g transform="matrix(.017,-0,0,-.017,37.239,10.862)"><path d="M241 635q53 0 94 -28.5t63.5 -76t33.5 -102.5t11 -116q0 -58 -11 -112.5t-34 -103.5t-63.5 -78.5t-94.5 -29.5t-95 28t-64.5 75t-34.5 102.5t-11 118.5q0 58 11.5 112.5t34.5 103t64.5 78t95.5 29.5zM238 602q-32 0 -55.5 -25t-35.5 -68t-17.5 -91t-5.5 -105
q0 -76 10 -138.5t37 -107.5t69 -45q32 0 55.5 25t35.5 68.5t17.5 91.5t5.5 105t-5.5 105.5t-18 92t-36 68t-56.5 24.5z" id="x30"></path></g>
</svg>).</table>

Mathematical Problems in Engineering

fig3

Figure 3

Figure 3: The Nonlocal Sparse Reconstruction Algorithm by Similarity Measurement with Shearlet Feature Vector 