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. Author manuscript; available in PMC: 2010 Feb 1.
Published in final edited form as: Neuroimage. 2008 Nov 1;44(3):729–741. doi: 10.1016/j.neuroimage.2008.10.004

Fig. 7.

Fig. 7

Improvement ratios of the four performance indices are shown for CONE1 (a), CONE3, and UNIF (c), respectively, where P0=450. X-axis represents b-value in 109s/m2 and Y-axis represents the performance indices values. Dashed red lines indicate the rages of optimal b-value using the proposed optimization approach. Blue crosses, green asterisks, and red filled circles represent DIFF6, DIFF12, and DIFF30, respectively.