Ultrasound Image Enhancement Using Structure-Based Filtering

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="758439.fig.003a" src="https://static.hindawi.com/articles/cmmm/volume-2014/758439/figures/758439.fig.003a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Ultrasound image</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="758439.fig.003b" src="https://static.hindawi.com/articles/cmmm/volume-2014/758439/figures/758439.fig.003b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Diffusion magnitude</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="758439.fig.003c" src="https://static.hindawi.com/articles/cmmm/volume-2014/758439/figures/758439.fig.003c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Pixel types before refinement</td></tr></table></td></tr><tr class="fig-image" id="d"><td><img alt="758439.fig.003d" src="https://static.hindawi.com/articles/cmmm/volume-2014/758439/figures/758439.fig.003d.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(d) </b>Pixel types after refinement</td></tr></table></td></tr></table>

<table>Structure type classification, (a) the ultrasound image, (b) the diffusion strength, (c) classified structure types, and (d) refined structure classification, green: linear, dark green: boundary, red: spot, blue: unknown, and grey: uniform.</table>

Computational and Mathematical Methods in Medicine

Ultrasound Image Enhancement Using Structure-Based Filtering

Figure 3