TABLE 1. Effect of Network Depth to Segmentation Performance.

	Aorta and coronary artery			Coronary artery only
DSC (average)	Training	Validation	Test	Training	Validation	Test
1-layer	27.35%	26.95%	24.14%	51.48%	50.62%	48.14%
2-layer	66.80%	67.13%	67.60%	66.46%	68.65%	73.34%
3-layer	86.24%	86.79%	85.36%	87.74%	87.51%	82.63%
4-layer	93.62%	93.33%	91.20%	93.82%	93.41%	88.80%
5-layer	95.06%	94.98%	88.78%	94.63%	94.49%	88.16%
6-layer	95.37%	95.13%	87.81%	94.94%	94.55%	88.22%
7-layer	94.83%	94.99%	88.97%	94.56%	94.39%	87.58%