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Figure 8: Counting rate performance of PET scanner at various levels of activity within phantom. Data acquired in 3D mode following NEMA NU 2-2001 protocol. Trues - solid; Randoms - dotted; Scatter - dashed; NECR (1R) - dash dot; NECR (2R) - dash dot dot

Figure 8: Counting rate performance of PET scanner at various levels of activity within phantom. Data acquired in 3D mode following NEMA NU 2-2001 protocol. Trues - solid; Randoms - dotted; Scatter - dashed; NECR (1R) - dash dot; NECR (2R) - dash dot dot