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. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: Comput Med Imaging Graph. 2014 Jun 23;38(6):469–480. doi: 10.1016/j.compmedimag.2014.06.010

Table 2.

Estimation error (RMSE) and computational time of the conventional UNLS method and our proposed UAIS method when using DWI data of 3 to 6 b-values. The accuracy of our method was very similar to that of the conventional method, but our method is astonishingly faster than the UNLS method.

Row b-number List of b-values (mm/s2) UNLS UAIS
RMSE RMSE Time
ADC AKC ADC AKC
1 6b 0 600 1000 1600 2000 2600 0.0436 0.1055 0.0627 0.1079 116 s
2 5b 0 800 1400 2000 2600 0.0599 0.1285 0.0753 0.1288 97 s
3 4b 0 800 1600 2600 0.0609 0.1419 0.0855 0.1423 64 s
4 3b 0 1000 2000 – – 0.1048 0.2693 7 s