Research Article

Feasibility Study of Automated Framework for Estimating Lung Tumor Locations for Target-Based Patient Positioning in Stereotactic Body Radiotherapy

Figure 3

Illustrations of (a) a 1.0 mm isotropic planning CT image, (b) an MV-CBCT image, (c) a 5.0 mm isotropic planning CT image, (d) an MV-CBCT image, and (e) a subtraction image between a planning CT image and an MV-CBCT image after the rigid registration.