A Simple Scatter Reduction Method in Cone-Beam Computed Tomography for Dental and Maxillofacial Applications Based on Monte Carlo Simulation

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Reconstructed images</td><td class="align_center" colspan="2">Contrast (grayscale value)</td><td class="align_center" rowspan="2">Cupping in soft tissue (%)</td></tr><tr class="thead"><td class="align_center">Air bone</td><td class="align_center">Bone tissue</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Before scatter reduction</td><td class="align_center">359.00</td><td class="align_center">221.77</td><td class="align_center">20.70</td></tr><tr><td class="align_left">After scatter reduction</td><td class="align_center">484.28</td><td class="align_center">309.09</td><td class="align_center">0.61</td></tr><tr><td class="align_left">Absolute percentage change</td><td class="align_center">34.90%</td><td class="align_center">39.37%</td><td class="align_center">97.05%</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Comparison of contrast in the selected regions and the percentage of cupping before and after scatter reduction on the reconstructed image of the head phantom with the voxel size of 0.2 mm.

BioMed Research International

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Table 3

Table 3: A Simple Scatter Reduction Method in Cone-Beam Computed Tomography for Dental and Maxillofacial Applications Based on Monte Carlo Simulation 

Table 3 | A Simple Scatter Reduction Method in Cone-Beam Computed Tomography for Dental and Maxillofacial Applications Based on Monte Carlo Simulation 