Table 1.

Summary of properties of the data sets Sample table title

Dataset	Modality	Resolution	Voxel size
Liver tree	CT	512 × 512 × 279	0.6563 × 0.6563 × 0.5
Cerebral tree	MRA	512 × 512 × 170	0.51 × 0.51 × 0.80
Aorta tree	CT	512 × 512 × 167	0.961 × 0.961 × 1.80