Registration and Summation of Respiratory-Gated or Breath-Hold PET Images Based on Deformation Estimation of Lung from CT Image

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center">Simple summation</td><td class="align_center">Previous RSM</td><td class="align_center">Proposed RSM</td><td class="align_center">Ideal</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Mean</td><td class="align_center">284.9</td><td class="align_center">321.7</td><td class="align_center">329.5</td><td class="align_center">353.4</td></tr><tr><td class="align_left">Maximum</td><td class="align_center">304.2</td><td class="align_center">351.7</td><td class="align_center">358.5</td><td class="align_center">371.6</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Mean and maximum pixel values of tumors by simple summation, previous RSM, proposed RSM, and ideal case.

Computational and Mathematical Methods in Medicine

tab2

Table 2

Table 2: Registration and Summation of Respiratory-Gated or Breath-Hold PET Images Based on Deformation Estimation of Lung from CT Image 