Table 1.

Quantitative evaluation of SCOAT-Net with different loss functions for lung opacification segmentation.

Loss functions	Results (%)
	DSC	SEN	PPV	VA	RLP	RLR
MSE	83.22	71.89	83.86	87.00	81.68	81.75
IOU [44]	75.29	71.72	81.57	76.76	80.69	76.23
BCE	87.76	80.04	89.62	94.37	89.35	84.97
Dice [42]	84.61	88.03	86.43	87.13	85.26	83.85
Focal [45]	85.38	84.27	89.22	86.84	86.16	80.37
BCE-Dice $(\alpha =0.5)$	88.99	87.85	90.28	96.25	90.87	84.83