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Table 1 Measurements of the modified NEMA sphere phantom

From: PET image segmentation using a Gaussian mixture model and Markov random fields

FG

BG

SBR

10.94

5.30

2.06

20.37

5.30

3.84

26.13

5.30

4.90

66.56

9.90

6.72

90.90

9.68

9.39

  1. Activity concentration for the FG objects and for the BG object in kBq/ml and the resulting SBR.