The Experimental Study on Geometric Calibration and Material Discrimination for In Vivo Dual-Energy CT Imaging

<table class="fixed-width table-group" id="tab1"><tr><td><table class="table"><colgroup><col style="width:14.18em"/><col style="width:4.66em"/><col style="width:5.47em"/></colgroup><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Parameters</td><td class="align_center">Original</td><td class="align_center">Calibrated</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">Horizontal rotation center offset</td><td class="align_center">0 mm</td><td class="align_center">0.75 mm</td></tr><tr><td class="align_left" colspan="3"><hr/></td></tr><tr><td class="align_left">Vertical rotation center offset</td><td class="align_center">0 mm</td><td class="align_center">0.51mm</td></tr><tr><td class="align_left" colspan="3"><hr/></td></tr><tr><td class="align_left">Detector in-plane rotation</td><td class="align_center">0°</td><td class="align_center">0.12°</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Original geometric parameters and calibrated geometric parameters.</div>

BioMed Research International

tab1

Table 1

Table 1: The Experimental Study on Geometric Calibration and Material Discrimination for In Vivo Dual-Energy CT Imaging 