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Qualitative segmentation results from the median Ataxia subject. Non-Locally Weighted Vote tends to slightly over-segment regions of interest while Non-Local SIMPLE tends to under-segment regions. The adaptation of Yang et. al appears to generate a segmentation more consistent with anatomic boundaries but can produce severe missegmentations as seen in the sagittal view. Other algorithms are not shown since they infrequently outperformed the algorithms shown here.
