Table 2 DTI, DKI and Bingham-NODDI model results for the eight scans in a row. Metrics were extracted from the fiber ring of the phantom.
| Â | Scan 1 | Scan 2 | Scan 3 | Scan 4 | Scan 5 | Scan 6 | Scan 7 | Scan 8 | CoV |
|---|---|---|---|---|---|---|---|---|---|
FA | 0.81 ± 0.04 | 0.80 ± 0.06 | 0.80 ± 0.05 | 0.80 ± 0.06 | 0.80 ± 0.06 | 0.80 ± 0.06 | 0.80 ± 0.05 | 0.81 ± 0.05 | 0.54% |
MD (×10− 3 mm2/s) | 0.81 ± 0.08 | 0.82 ± 0.07 | 0.82 ± 0.08 | 0.82 ± 0.08 | 0.82 ± 0.07 | 0.82 ± 0.08 | 0.83 ± 0.07 | 0.82 ± 0.07 | 0.61% |
DKI AK | 0.19 ± 0.15 | 0.19 ± 0.14 | 0.23 ± 0.16 | 0.19 ± 0.14 | 0.22 ± 0.16 | 0.24 ± 0.17 | 0.19 ± 0.14 | 0.20 ± 0.15 | 9.36% |
DKI MK | 0.51 ± 0.17 | 0.51 ± 0.13 | 0.52 ± 0.15 | 0.51 ± 0.13 | 0.51 ± 0.13 | 0.52 ± 0.15 | 0.51 ± 0.13 | 0.51 ± 0.13 | 0.84% |
MSDKI MK | 0.77 ± 0.13 | 0.81 ± 0.10 | 0.79 ± 0.11 | 0.79 ± 0.11 | 0.79 ± 0.11 | 0.80 ± 0.11 | 0.79 ± 0.10 | 0.80 ± 0.11 | 1.37% |
MSDKI MD (×10− 3 mm2/s) | 0.97 ± 0.19 | 0.95 ± 0.12 | 0.98 ± 0.16 | 0.97 ± 0.13 | 0.98 ± 0.14 | 0.98 ± 0.15 | 0.97 ± 0.13 | 0.98 ± 0.14 | 0.99% |
β – fraction | 0.37 ± 0.25 | 0.37 ± 0.24 | 0.37 ± 0.24 | 0.36 ± 0.25 | 0.35 ± 0.24 | 0.38 ± 0.24 | 0.36 ± 0.24 | 0.37 ± 0.23 | 2.34% |
ODI | 0.0202 ± 0.0009 | 0.0202 ± 0.0009 | 0.0202 ± 0.0009 | 0.0202 ± 0.0009 | 0.0202 ± 0.0009 | 0.0202 ± 0.0009 | 0.0202 ± 0.0009 | 0.0201 ± 0.0008 | 0.16% |
Tissue volume fraction | 0.94 ± 0.09 | 0.97 ± 0.05 | 0.97 ± 0.05 | 0.97 ± 0.05 | 0.97 ± 0.04 | 0.96 ± 0.05 | 0.97 ± 0.05 | 0.96 ± 0.05 | 1.03% |
Intra – neurite Volume fraction | 0.44 ± 0.08 | 0.43 ± 0.07 | 0.43 ± 0.07 | 0.42 ± 0.07 | 0.42 ± 0.07 | 0.42 ± 0.07 | 0.42 ± 0.07 | 0.43 ± 0.07 | 1.63% |
MSE | 0.0014 ± 0.0006 | 0.0014 ± 0.0005 | 0.0013 ± 0.0005 | 0.0013 ± 0.0005 | 0.0013 ± 0.0005 | 0.0014 ± 0.0005 | 0.0014 ± 0.0005 | 0.0014 ± 0.0005 | 3.55% |
