Table 2 Background CV (%) in the central position and useful axial FOV with background CV < 15% for the reconstructions after applying different Gaussian filter kernels
Gaussian filter FWHM (mm) | Equivalent acquisition time (s) | Background CV (%) | aFOV with CV < 15% (cm) |
|---|---|---|---|
0 | 600 | 7.9 | 99.8 |
0 | 120 | 17.3 | NA |
2 | 120 | 14.6 | 83.0 |
3 | 120 | 12.5 | 91.6 |
4 | 120 | 9.3 | 97.0 |
5 | 120 | 7.5 | 100.4 |
6 | 120 | 6.1 | 102.8 |
0 | 60 | 24.6 | NA |
2 | 60 | 20.7 | NA |
3 | 60 | 16.6 | NA |
4 | 60 | 13.3 | 88.5 |
6 | 60 | 8.7 | 95.1 |
0 | 30 | 35.2 | NA |
2 | 30 | 28.8 | NA |
3 | 30 | 22.8 | NA |
4 | 30 | 18.1 | NA |
5 | 30 | 14.0 | 81.8 |
6 | 30 | 11.2 | 90.5 |
0 | 15 | 49.3 | NA |
2 | 15 | 39.9 | NA |
3 | 15 | 31.3 | NA |
4 | 15 | 24.7 | NA |
5 | 15 | 19.5 | NA |
6 | 15 | 15.6 | NA |