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. Author manuscript; available in PMC: 2021 Jul 9.
Published in final edited form as: IEEE Trans Biomed Eng. 2014 Sep 1;61(9):2499–2506. doi: 10.1109/TBME.2014.2322937

Fig. 6.

Fig. 6

Error bar plot representing the mean ± SD of MBF relative error r onset (solid line/blue) and r free (dashed line/back), under different CNR (a) and flow rates (b). Data in (a) are average over all flow rates (i.e. 1,2.5, and 5 mL/gr/min) at each CNR level and in (b) are averaged over all CNR levels (10, 20, 30, and 40) for each flow rates. At all flow and CNR levels Fermi with optimized t Onset performed favorably compared to Fermi with τd as a free global parameter. The difference between the two approaches is more apparent at CNR levels = 20 and 30 [see Fig. 6(a)] and high flow rates [see Fig. 6(b)].