Table 4.

Ablation analysis results of the proposed method on the BraTS2020 training data via five-fold cross validation.

	Dice score (DSC)				95% Hausdorff distance (H95) ↓
	WT (%)	TC (%)	ET (%)	Overall (%)	WT (mm)	TC (mm)	ET (mm)	Overall (mm)
3D UNet	91.48	87.35	78.87	85.90	6.39	7.18	26.40	13.32
3D MI-UNet	91.66	87.37	79.21	86.08	5.64	5.63	21.90	11.06
Joint 3D+2D MI-UNet	91.38	87.10	77.31	85.24	4.70	4.64	27.91	12.42
Ensemble	91.72	87.55	79.20	86.16	4.67	4.55	21.90	10.37
Ensemble+post-processing	91.72	87.55	81.75	87.01	4.67	4.55	22.94	10.72

Bold numbers are the best values.