Dictionary-Based Image Denoising by Fused-Lasso Atom Selection

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="368602.fig.002a" src="https://static.hindawi.com/articles/mpe/volume-2014/368602/figures/368602.fig.002a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>TV</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="368602.fig.002b" src="https://static.hindawi.com/articles/mpe/volume-2014/368602/figures/368602.fig.002b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>BM3DW</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="368602.fig.002c" src="https://static.hindawi.com/articles/mpe/volume-2014/368602/figures/368602.fig.002c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>KSVD</td></tr></table></td></tr><tr class="fig-image" id="d"><td><img alt="368602.fig.002d" src="https://static.hindawi.com/articles/mpe/volume-2014/368602/figures/368602.fig.002d.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(d) </b>KR</td></tr></table></td></tr><tr class="fig-image" id="e"><td><img alt="368602.fig.002e" src="https://static.hindawi.com/articles/mpe/volume-2014/368602/figures/368602.fig.002e.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(e) </b>TSPCA</td></tr></table></td></tr><tr class="fig-image" id="f"><td><img alt="368602.fig.002f" src="https://static.hindawi.com/articles/mpe/volume-2014/368602/figures/368602.fig.002f.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(f) </b>Proposed</td></tr></table></td></tr></table>

<table>Denoising results of Lena.</table>

Mathematical Problems in Engineering

fig2

Figure 2

Figure 2: Dictionary-Based Image Denoising by Fused-Lasso Atom Selection 