. Author manuscript; available in PMC: 2011 Jul 5.

Published in final edited form as: IEEE Trans Biomed Eng. 2011 Feb 17;58(6):1762–1772. doi: 10.1109/TBME.2011.2116119

Table IV.

Performance of the ODF-Guided Tracking Method on Synthetic Fibers at Varying Levels of Noise: (a) Average Rates (%) of Misidentified Geometries (FP and FN) and (b) Extraction Performance in Terms of the Mean Spatial Tracking Error ε (Voxels) and Mean Smoothness Difference τ (1/Voxels)

Fiber Type	Error Type	SNR (dB)
Fiber Type	Error Type	∞	30	20	15	10	5
single	FP	0.1	0.2	0.1	0.1	0.3	4.3
single	FN	n/a
branching	FP	0.3	0.4	1	0.5	1.3	7.1
branching	FN	3	2	2	2	3	8
all	FP	0.2	0.3	0.3	0.3	0.8	5.7
all	FN	3	2	2	2	3	8
(a)

Fiber Type	Error Type	SNR (dB)
Fiber Type	Error Type	∞	30	20	15	10	5
single	ε	0.35	0.36	0.35	0.35	0.36	0.94
single	τ	0.04	0.04	0.04	0.04	0.04	0.05
branching	ε	0.37	0.37	0.37	0.38	0.39	0.49
branching	τ	0.04	0.04	0.04	0.04	0.05	0.06
all	ε	0.36	0.36	0.36	0.37	0.38	0.72
all	τ	0.04	0.04	0.04	0.04	0.04	0.06
(b)