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. 2010 Jul 27;32(7):1109–1124. doi: 10.1002/hbm.21095

Table II.

The mean distance errors for surfaces corrected using topological correction are small when compared with the original uncorrected surface

Correction Mean distance error (mm) Hausdorff distance (mm)
Forward Reverse Forward Reverse
FreeSurfer 0.227 (±0.006) 0.408 (±0.005) 4.186 (±0.037) 10.592 (±0.075)
SPH 0.011 (±0.000) 0.309 (±0.002) 3.031 (±0.018) 11.025 (±0.037)

However, the reverse Hausdorff distance is large because of the removal of defects.