Tracking Lung Tumors in Orthogonal X-Rays

<table>Estimated tumor trajectories of different tracking algorithms are compared with the ground truth data in the Cranial-Caudal (CC) direction for Patient 7. Note that P<svg height="15.3875" id="M159" style="vertical-align:-3.27605pt" version="1.1" viewbox="0 0 13.45 15.3875" width="13.45" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.25)"><path d="M363 114l21 -20q-62 -106 -161 -106q-61 0 -94 40t-33 138v56l-54 -40l-14 27l68 57v89q0 112 15.5 166t49.5 91q43 46 96 46q44 0 71 -32.5t27 -88.5q0 -41 -17.5 -81.5t-49.5 -76t-55.5 -57t-55.5 -46.5v-87q0 -138 81 -138q60 0 105 63zM177 421v-101q117 105 117 217
q0 38 -15 60.5t-41 22.5q-34 0 -47.5 -46.5t-13.5 -152.5z" id="x2113"></path></g>
<g transform="matrix(.012,-0,0,-.012,7.05,15.325)"><path d="M384 0h-275v27q67 5 81.5 18.5t14.5 68.5v385q0 38 -7.5 47.5t-40.5 10.5l-48 2v24q85 15 178 52v-521q0 -55 14.5 -68.5t82.5 -18.5v-27z" id="x31"></path></g>
</svg> has large tracking errors in the axial plane. </table>

Computational and Mathematical Methods in Medicine

Tracking Lung Tumors in Orthogonal X-Rays

Figure 5