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. Author manuscript; available in PMC: 2011 May 10.
Published in final edited form as: Med Phys. 2011 Mar;38(3):1481–1490. doi: 10.1118/1.3553402

Table I.

PDE given in mm for the projection of the positions of 3D fiducial markers to 2D kV x-ray and MV images for CT, CBCT with small (CBCTs) and big (CBCTb) FOV, and MR T1, T2, and PD weighted images.

CT
(mm)
CBCTs
(mm)
CBCTb
(mm)
MR T1
(mm)
MR T2
(mm)
MR PD
(mm)
kV AP-kV Lat 0.51 0.66 0.67 0.76 1.79 1.58
MV AP-MV Lat 1.42 1.43 1.61 1.33 1.51 2.03