Table 3.

Ablation analysis results of the proposed method on the BraTS2018 validation data.

	Dice score (DSC)				95% Hausdorff distance (H95) ↓
	WT (%)	TC (%)	ET (%)	Overall (%)	WT (mm)	TC (mm)	ET (mm)	Overall (mm)
3D UNet	90.79	86.12	78.95	85.28	4.40	7.12	2.93	4.82
3D MI-UNet	91.02	85.86	78.97	85.28	4.12	6.82	3.18	4.70
Joint 3D+2D MI-UNet	90.92	85.49	76.53	84.30	3.76	7.32	3.03	4.71
Ensemble	91.03	86.44	78.95	85.47	3.76	6.73	2.93	4.47
Ensemble+post-processing	91.03	86.44	80.58	86.02	3.76	6.73	2.51	4.33

Bold numbers are the best values.