Low-Noise Dynamic Reconstruction for X-Ray Tomographic Perfusion Studies Using Low Sampling Rates

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="108028.fig.008a" src="https://static.hindawi.com/articles/ijbi/volume-2009/108028/figures/108028.fig.008a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Max. enh.: 18 HU, fast scanning</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="108028.fig.008b" src="https://static.hindawi.com/articles/ijbi/volume-2009/108028/figures/108028.fig.008b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Max. enh.: 18 HU, slow scanning</td></tr></table></td></tr></table>

<table>Time-attenuation curves of the inserts with maximum enhancement <svg height="12.02875" id="M249" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 16.873751 12.02875" width="16.873751" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,12.02875)">
<text transform="matrix(1,0,0,-1,0.498,0.673)">
<tspan style="font-size: 12.50px; " x="0" y="0">1</tspan>
<tspan style="font-size: 12.50px; " x="6.2515602" y="0">8</tspan>
</text>
</g>
</svg> HU. (a) Fast-scanning, (b) slow-scanning. Black curves: phantom value, grey curves: values obtained with the reference protocol, and dashed curves show the value of the reconstruction with TSA-TFDK.</table>

International Journal of Biomedical Imaging

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Figure 8

Figure 8: Low-Noise Dynamic Reconstruction for X-Ray Tomographic Perfusion Studies Using Low Sampling Rates 