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. Author manuscript; available in PMC: 2019 Jul 9.
Published in final edited form as: Med Phys. 2018 Nov 13;45(12):5555–5563. doi: 10.1002/mp.13259

FIG. 3.

FIG. 3.

(a) Tracking tumor in the SI direction with MV/kV pairs (red) is superior to MV (blue) or kV (cyan) alone. (b) CNR of MV (blue) and kV (cyan) images with respect to gantry rotations. (c) 3D tracking results compared with actual couch motion.