TABLE III.

Comparison (using the mean Dice index) of aggregation strategies (majority voting vs STAPLE) on the IBSR dataset, using a multipoint estimation approach. When structures are separated into left/right, two overlap scores are reported. Highest overlap rates are shown in bold.

brain structure (left/right)	pair-wise patch + MV	pair-wise patch + STAPLE	group-wise patch
Cerebral WM	0.92 - 0.92	0.92 - 0.92	0.93 - 0.92
Cerebral Cortex	0.95 - 0.95	0.95 - 0.95	0.95 - 0.95
Lateral Ventricle	0.93 - 0.92	0.92 - 0.91	0.93 - 0.92
Inferior Lat Vent	0.61 - 0.56	0.53 - 0.51	0.60 - 0.56
Cerebellum WM	0.88 - 0.88	0.88 - 0.88	0.88 - 0.88
Cerebellum Cortex	0.95 - 0.95	0.95 - 0.95	0.95 - 0.95
Thalamus	0.89 - 0.89	0.88 - 0.88	0.89 - 0.89
Caudate	0.87 - 0.87	0.86 - 0.86	0.88 - 0.89
Putamen	0.88 - 0.87	0.86 - 0.85	0.89 - 0.89
Pallidum	0.71 - 0.69	0.70 - 0.68	0.79 - 0.79
3rd Ventricle	0.81	0.80	0.80
4th Ventricle	0.85	0.78	0.84
Brain Stem	0.94	0.94	0.93
Hippocampus	0.83 - 0.83	0.79 - 0.80	0.83 - 0.83
Amygdala	0.76 - 0.74	0.72 - 0.70	0.75 - 0.75
CSF	0.69	0.66	0.68
Accumbens area	0.66 - 0.63	0.65 - 0.63	0.68 - 0.66
Ventral DC	0.82 - 0.82	0.83 - 0.83	0.82 - 0.82