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. Author manuscript; available in PMC: 2020 Dec 1.
Published in final edited form as: Med Phys. 2019 Oct 20;46(12):5572–5592. doi: 10.1002/mp.13801

Table 2.

Objects sizes (mm) in the digital phantom. The object set number corresponds to the number next to each box in Figure 2. The center-to-center distance between the two BBs in a pair is equal to 2 times the BB diameter.

Object Set Number 1 4 7 10 13
line pairs/mm 9.5 8.0 6.5 5.0 3.0
Line or space width 0.053 0.063 0.077 0.100 0.167
BB Diameter 0.053 0.063 0.077 0.100 0.167
Object Set Number 2 5 8 11 14
line pairs/mm 9.0 7.5 6.0 4.5 2.0
Line or space width 0.056 0.067 0.083 0.111 0.250
BB Diameter 0.056 0.067 0.083 0.111 0.250
Object Set Number 3 6 9 12 15
line pairs/mm 8.5 7.0 5.5 4.0 1.0
Line or space width 0.059 0.071 0.091 0.125 0.500
BB Diameter 0.059 0.071 0.091 0.125 0.500