Respiratory Motion Compensation Using Diaphragm Tracking for Cone-Beam C-Arm CT: A Simulation and a Phantom Study

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="520540.fig.0011a" src="https://static.hindawi.com/articles/ijbi/volume-2013/520540/figures/520540.fig.0011a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>No compensation</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="520540.fig.0011b" src="https://static.hindawi.com/articles/ijbi/volume-2013/520540/figures/520540.fig.0011b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Compensation</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="520540.fig.0011c" src="https://static.hindawi.com/articles/ijbi/volume-2013/520540/figures/520540.fig.0011c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Ground truth</td></tr></table></td></tr></table>

<table>Detailed view of compensated and not compensated slices of a 20s scan with 2 respiration cycles of only 50% respiratory amplitude.</table>

International Journal of Biomedical Imaging

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Figure 11

Figure 11: Respiratory Motion Compensation Using Diaphragm Tracking for Cone-Beam C-Arm CT: A Simulation and a Phantom Study 