Ultrasound Image Enhancement Using Structure-Based Filtering

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="758439.fig.009a" src="https://static.hindawi.com/articles/cmmm/volume-2014/758439/figures/758439.fig.009a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Raw image</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="758439.fig.009b" src="https://static.hindawi.com/articles/cmmm/volume-2014/758439/figures/758439.fig.009b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Proposed method</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="758439.fig.009c" src="https://static.hindawi.com/articles/cmmm/volume-2014/758439/figures/758439.fig.009c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Median filter</td></tr></table></td></tr><tr class="fig-image" id="d"><td><img alt="758439.fig.009d" src="https://static.hindawi.com/articles/cmmm/volume-2014/758439/figures/758439.fig.009d.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(d) </b>DM filter</td></tr></table></td></tr><tr class="fig-image" id="e"><td><img alt="758439.fig.009e" src="https://static.hindawi.com/articles/cmmm/volume-2014/758439/figures/758439.fig.009e.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(e) </b>AWMF</td></tr></table></td></tr><tr class="fig-image" id="f"><td><img alt="758439.fig.009f" src="https://static.hindawi.com/articles/cmmm/volume-2014/758439/figures/758439.fig.009f.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(f) </b>Gaussian filter</td></tr></table></td></tr></table>

<table>The filtered results of the butterfly image.</table>

Computational and Mathematical Methods in Medicine

fig9

Figure 9

Figure 9: Ultrasound Image Enhancement Using Structure-Based Filtering 