表 2. Results of comparative experiments.

对比实验结果

方法	U-Net结构	改进的残差块	ASPP	注意力模块	DSC	PPV	SEN	IoU
GMM-MRF	—	—	—	—	53.25%	62.98%	67.97%	43.94%
level set	—	—	—	—	61.73%	58.31%	82.28%	46.17%
U-Net	+	—	—	—	72.68%	68.06%	84.64%	60.11%
U-Net结合ASPP模块	+	—	+	—	75.37%	76.91%	80.06%	63.84%
U-Net结合注意力模块	+	—	—	+	72.73%	71.26%	79.92%	61.71%
U-Net结合ASPP与注意力模块	+	—	+	+	77.64%	73.86%	86.87%	65.96%
残差U-Net	+	+	—	—	65.08%	59.86%	80.04%	52.25%
残差U-Net结合ASPP模块	+	+	+	—	77.16%	76.40%	82.52%	65.37%
残差U-Net结合注意力模块	+	+	—	+	71.40%	70.87%	78.15%	60.03%
本文提出的方法	+	+	+	+	83.36%	80.84%	88.40%	71.56%