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.004a" src="https://static.hindawi.com/articles/mpe/volume-2014/368602/figures/368602.fig.004a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>PSNR results of Lena</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="368602.fig.004b" src="https://static.hindawi.com/articles/mpe/volume-2014/368602/figures/368602.fig.004b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>PSNR results of House</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="368602.fig.004c" src="https://static.hindawi.com/articles/mpe/volume-2014/368602/figures/368602.fig.004c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>PSNR results of Couple</td></tr></table></td></tr><tr class="fig-image" id="d"><td><img alt="368602.fig.004d" src="https://static.hindawi.com/articles/mpe/volume-2014/368602/figures/368602.fig.004d.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(d) </b>PSNR results of Man</td></tr></table></td></tr></table>

<table>PSNR results of test images.</table>

Mathematical Problems in Engineering

fig4

Figure 4

Figure 4: Dictionary-Based Image Denoising by Fused-Lasso Atom Selection 