Poisson Noise Removal Scheme Based on Fourth-Order PDE by Alternating Minimization Algorithm

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="965281.fig.005a" src="https://static.hindawi.com/articles/aaa/volume-2012/965281/figures/965281.fig.005a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Original image</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="965281.fig.005b" src="https://static.hindawi.com/articles/aaa/volume-2012/965281/figures/965281.fig.005b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Degenerated image</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="965281.fig.005c" src="https://static.hindawi.com/articles/aaa/volume-2012/965281/figures/965281.fig.005c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>700 iterations by GD-(<a href="https://static.hindawi.com/articles/aaa/volume-2012/965281/figures/#EEq1.2">1.2</a>)</td></tr></table></td></tr><tr class="fig-image" id="d"><td><img alt="965281.fig.005d" src="https://static.hindawi.com/articles/aaa/volume-2012/965281/figures/965281.fig.005d.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(d) </b>350 iterations by GD-(<a href="https://static.hindawi.com/articles/aaa/volume-2012/965281/figures/#EEq1.4">1.4</a>)</td></tr></table></td></tr><tr class="fig-image" id="e"><td><img alt="965281.fig.005e" src="https://static.hindawi.com/articles/aaa/volume-2012/965281/figures/965281.fig.005e.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(e) </b>55 iterations by AM-(<a href="https://static.hindawi.com/articles/aaa/volume-2012/965281/figures/#EEq3.4">3.4</a>)</td></tr></table></td></tr></table>

<table>Recovered results by the three methods.</table>

Abstract and Applied Analysis

fig5

Figure 5

Figure 5: Poisson Noise Removal Scheme Based on Fourth-Order PDE by Alternating Minimization Algorithm 