Table 6.

Comparison of various segmentation methods for the segmentation of eight sub‐cortical structures in the IBSR dataset. Each table cell reports the mean Dice coefficient (SD) as a percentage on top and the mean MHD (SD), in millimeters, on bottom

	2.5D CNN	CNN‐B	CNN‐SP	CNN‐SP‐D	CNN‐SP‐D + DA	Dolz et al.	FIRST
L thalamus	91.0 (1.4)	88.3 (2.2)	90.8 (1.4)	90.2 (1.4)	91.1 (1.2)	90.1 (3.1)	89.9 (1.1)
	N/A	0.56 (0.13)	0.42 (0.09)	0.47 (0.10)	0.42 (0.07)	0.45 (0.17)	0.52 (0.06)
R thalamus	91.4 (1.6)	89.6 (1.9)	91.0 (1.4)	90.9 (1.5)	91.5 (1.3)	90.7 (2.8)	89.0 (1.3)
	N/A	0.58 (0.39)	0.43 (0.08)	0.43 (0.08)	0.41 (0.07)	0.44 (0.16)	0.55 (0.07)
L caudate	89.6 (1.8)	86.2 (5.1)	88.7 (3.8)	89.2 (2.4)	89.9 (2.2)	87.7 (6.4)	82.9 (2.6)
	N/A	0.37 (0.16)	0.28 (0.11)	0.27 (0.07)	0.25 (0.06)	0.39 (0.46)	0.41 (0.08)
R caudate	89.6 (2.0)	87.4 (5.4)	88.9 (3.0)	88.4 (2.6)	90.0 (2.7)	87.7 (7.3)	85.0 (4.7)
	N/A	0.35 (0.25)	0.29 (0.10)	0.31 (0.09)	0.26 (0.10)	0.33 (0.29)	0.34 (0.12)
L putamen	90.0 (1.4)	88.5 (2.7)	90.3 (1.5)	90.4 (1.4)	91.0 (1.2)	89.0 (4.5)	88.7 (1.4)
	N/A	0.37 (0.12)	0.32 (0.08)	0.32 (0.09)	0.30 (0.07)	0.38 (0.25)	0.41 (0.08)
R putamen	90.4 (1.2)	88.5 (3.0)	90.3 (1.6)	90.5 (1.5)	91.6 (1.3)	89.3 (5.4)	88.6 (1.1)
	N/A	0.37 (0.12)	0.32 (0.09)	0.32 (0.09)	0.27 (0.06)	0.39 (0.35)	0.42 (0.08)
L pallidum	82.6 (5.0)	82.0 (3.9)	83.9 (2.6)	84.5 (2.8)	85.5 (2.2)	82.6 (5.7)	82.3 (2.4)
	N/A	0.47 (0.14)	0.42 (0.12)	0.40 (0.12)	0.38 (0.09)	0.44 (0.18)	0.42 (0.09)
R pallidum	82.9 (4.6)	81.4 (6.1)	84.0 (2.8)	84.4 (3.0)	85.5 (2.7)	83.1 (6.3)	82.8 (2.6)
	N/A	0.49 (0.21)	0.41 (0.12)	0.40 (0.12)	0.38 (0.12)	0.43 (0.17)	0.41 (0.09)
All	N/A	86.5 (4.9)	88.5 (3.6)	88.6 (3.2)	89.5 (3.1)	87.5 (6.0)	86.2 (3.8)
	N/A	0.45 (0.22)	0.36 (0.12)	0.37 (0.11)	0.33 (0.11)	0.41 (0.27)	0.44 (0.10)

Note: The top performing method is emboldened in each row.

Abbreviations: CNN‐B, baseline CNN; CNN‐SP, CNN with spatial priors; MHD, modified Hausdorff distance.