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. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: J Appl Clin Med Phys. 2010 Apr 19;11(2):3185. doi: 10.1120/jacmp.v11i2.3185

Fig. 2.

Fig. 2

Field size response of one representative 6X EPID. In the second conversion step, the field size response variation is accounted for through software analysis of all MLC segments. The EPID image is then corrected for each exposed section and relative contribution of control points.