Respiratory Motion Compensation Using Diaphragm Tracking for Cone-Beam C-Arm CT: A Simulation and a Phantom Study

Figure 1

Diaphragm tracking on simulated XCAT data. Images (a)–(d) show projection images acquired from different angles.

(a) 0^∘ (lateral view)

(b) 70^∘

(c) 140^∘

(d) 200^∘