This model generates 10 classes, with HU of -200 to 300.
The structures represent:
0: Background
1: Aorta
2: Pulmonary Artery
3: Pulmonary Vein
4: Superior Vena Cava
5: Inferior Vena Cava
6: Right Atrium
7: Right Ventricle
8: Left Atrium
9: Left Venticle