Flipping Book - ATP

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MV-EPID: IGRT Foundations
 Localization of targets, surrogates
 Radiographic portal imaging
 Orthogonal projections
 Estimate 3D position
 Random & Systematic Errors
van Herk et al, IJROBP 2000;47:1121-1135
Denham et al., IJROBP 1993 Aug 1;26(5):869-76.
Bel et al., IJROBP 1993 Nov;29(2):253-60.
Yan et al., PMB 1997 Jan;42(1):123-32
AP MV Image
6MV photons, 4 MUs
Cone-Beam Reconstruction
120kVp, 100 mA, 20 ms (<3cGy)
629 projections 25.6 cm FOVz