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. Author manuscript; available in PMC: 2017 Feb 15.
Published in final edited form as: Neuroimage. 2015 Dec 9;127:158–172. doi: 10.1016/j.neuroimage.2015.11.061

Figure 6.

Figure 6

Results from the second experiment in Sec. 5.3 The first panel shows the phantom and region-of-interest, and the following three panels show tractography using nearest-neighbor, rank-based, and adaptive estimation (SNR = 14). We see that nearest neighbor includes early terminations due to high orientation error and compartment count error. We also compare to the rank-based approach, which creates many spurious connections due to poor matching of compartments in the crossing region. Adaptive estimation can improve both of these issues through smoothing and clustering-based compartment matching.