Table 2 Deviation between the activity concentration calculated from SPECT/CT images and the real activity concentration inside the bottle to simulate a kidney
OSEM reconstruction corrections | Number of iterations (i) and subsets (ss) | Filter | Calculated activity concentration (MBq/ml) | Real activity concentration (MBq/ml) | Deviation (%) |
|---|---|---|---|---|---|
AC + RR + SC | 4i*5ss | None | 0.506 | 0.537 | − 5.88 |
4i*10ss | 0.495 | − 7.88 | |||
6i*10ss | 0.502 | − 6.55 | |||
8i*10ss | 0.503 | − 6.33 | |||
16i*10ss | 0.502 | − 6.55 | |||
32i*10ss | 0.507 | − 5.66 | |||
4i*5ss | Gaussian 0.11 cm | 0.507 | − 5.66 | ||
4i*10ss | 0.494 | − 88.0 | |||
6i*10ss | 0.509 | − 5.22 | |||
8i*10ss | 0.507 | − 5.66 | |||
16i*10ss | 0.505 | − 66.0 |