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. 2017 Nov 23;45(1):258–276. doi: 10.1002/mp.12643

Figure 7.

Figure 7

Detail views of detected inserts. Spherical ROIs and their centers are indicated in white. (a) Inserts from NEMA phantom [Fig. 6(a)] at 9.7:1 contrast. (b) Inserts from CTN phantom [Fig. 6(b)] at 4:1 contrast. (c) Inserts from CTN phantom [Fig. 6(c)] at 2:1 contrast.