TABLE III.

Esophagus segmentation accuracies. Reg - registration, Seg - segmentation.

Method	Testing (Number=54)
	DSC	sDSC	HD95 mm
Affine Reg	0.67±0.16	0.77±0.18	5.11±3.38
SyN [26]	0.69±0.17	0.79±0.19	4.96±3.43
Voxelmorph [34]	0.72±0.15	0.83±0.17	4.40±2.89
R2N2 [24]	0.73±0.15	0.84±0.17	4.33±3.14
U-ReSNet [15]	0.72±0.15	0.83±0.17	4.47±3.20
Recursive [30]	0.73±0.15	0.85±0.16	4.11 ±2.15
3D Unet [46]	0.57±0.18	0.64±0.17	6.79±2.87
Mask RCNN [47]	0.61±0.17	0.68±0.16	6.67±2.67
Cascaded Net [48]	0.60±0.15	0.66±0.15	7.58±2.38
PACS-aware reg	0.76±0.12	0.88±0.13	3.88±2.83
Full shot PACS seg	0.79±0.13	0.91±0.12	3.10±2.16
One shot PACS seg	0.78±0.13	0.90±0.14	3.22±2.02