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. Author manuscript; available in PMC: 2019 Jun 27.
Published in final edited form as: Phys Med Biol. 2018 Jun 27;63(13):135010. doi: 10.1088/1361-6560/aac815

Figure 1:

Figure 1:

(a) Sensitivity ratio of nine ROIs (red dots) in the XCAT phantom as a function of axial FOV. (b) Sensitivity ratio of XCAT simulation (averaged over the nine ROIs) and water cylinder phantom (D=20 cm) as a function of axial FOV. The reference scanner is the 22-cm long 4R scanner.