Table 1.

Quantitative comparison between the segmentation results of the proposed SDL-Seg and basic U-Net for the five test cases and the average across cases. Values represent mean ± standard deviation.

Metrics	Methods	Case 1	Case 2	Case 3	Case 4	Case 5	Mean
DSC (%)	U-Net	70.8±2.1%	57.8%±21.1%	63.2%±4.3%,	51.9%±9.5%	69.2±3.7%	62.6±7.8
	SDL-Seg	74.3%±4.8%	79.35±3.7%	75.6±1.7%	73.6%±4.4%	79.3%±1.5%	76.4±2.7
HD95 (mm)	U-Net	5.12±1.19	13.02±12.01	7.77±1.5	7.4±1.84	8.86±2.12	8.39±2.9
	SDL-Seg	4.8±1.07	7.7±10.37	9.196±1.02	5.12±1.48	6.93±2.43	6.76±1.83
ASD (mm)	U-Net	2.34±0.26	2.73±1.43	3.13±0.38	3.94±0.87	1.92±0.29	2.8±0.77
	SDL-Seg	1.88±0.37	1.27±0.1	2.89±0.21	2.12±0.56	1.34±0.19	1.9±0.66