Table 2.

Automatic segmentation accuracy metrics for U-net related models

	Evaluation metrics
Models	JSC (95%CI)		DSC (95%CI)		ASD (95%CI)
U-net	0.80	0.78 ~ 0.81	0.88	0.87 ~ 0.89	5.85	5.20 ~ 6.49
CE-net	0.82	0.80 ~ 0.83	0.89	0.88 ~ 0.91	5.36	4.70 ~ 6.02
Attention U-net	0.80	0.79 ~ 0.82	0.88	0.87 ~ 0.90	5.71	5.05 ~ 6.37
U-net with ResNet	0.82	0.80 ~ 0.84	0.90	0.88 ~ 0.91	5.98	4.50 ~ 7.45

JSC, Jaccard similarity coefficient; DSC, Dice similarity coefficient; ASD, average surface distance