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Table 2 NRMSDs (in %) between phantom images corrected with inaccurate maps and with accurate maps

From: Effects of attenuation map accuracy on attenuation-corrected micro-SPECT images

Isotope Rotation, shift and × μ
15° 15°
1 mm X 3 mm X 1 mm Y 3 mm Y 0 mm 0 mm 0 mm 3 mm X
  1.0 μ 1.0 μ 1.0 μ 1.0 μ 1.0 μ 0.9 μ 1.1 μ 1.1 μ
125I 1.7 4.9 1.7 4.7 0.8 4.4 4.6 6.3
201Tl 0.8 2.2 0.7 2.2 0.4 2.4 2.5 3.0
99mTc 0.6 1.8 0.6 1.8 0.4 2.1 2.1 2.5
111In 0.6 1.7 0.6 1.6 0.3 1.9 2.0 2.3