J Med Phys Close
 

Figure 3: Axial CT images of the rotating wheel motion phantom; the images were acquired at a) 10% and b) 20% phases. The angular location of the off-center ball bearing (BB) in both images is different from the planned phases

Figure 3: Axial CT images of the rotating wheel motion phantom; the images were acquired at a) 10% and b) 20% phases. The angular location of the off-center ball bearing (BB) in both images is different from the
planned phases