Research Article
A General Framework for Automated Accurate Calculation of b-Matrix (Auto-b) in Diffusion MRI Pulse Sequences
Table 6
The
values (unit: s/mm
2) and their relative error associated with the rectangularization of diffusion-sensitizing gradients.
| Nominal | b = 200 | b = 400 | b = 600 | b = 800 |
| | Accurate | 200.00 | 400.07 | 600.02 | 800.00 | Rect 1 | 131.43 (34.29%) | 262.90 (34.29%) | 394.29 (34.29%) | 525.70 (34.29%) | Rect 2 | 197.43 (1.28%) | 394.90 (1.29%) | 592.23 (1.30%) | 789.72 (1.28%) | Rect 3 | 200.27 (−0.13%) | 400.60 (−0.13%) | 600.82 (−0.13%) | 801.07 (−0.13%) |
| | Accurate | 104.76 | 247.05 | 402.70 | 565.32 | Rect 1 | 63.46 (39.42%) | 148.46 (39.91%) | 244.22 (39.35%) | 345.58 (38.87%) | Rect 2 | 102.18 (2.46%) | 241.89 (2.09%) | 394.91 (1.93%) | 555.03 (1.82%) | Rect 3 | 105.03 (−0.26%) | 247.59 (−0.22%) | 403.50 (−0.20%) | 566.39 (−0.19%) |
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