Esophagus Segmentation from 3D CT Data Using Skeleton Prior-Based Graph Cut

Table 1

Mean (±standard deviation) Dice metric (DM) between automatic and manual delineations of the esophagus and proportion 𝑃 of segmented slice considering the total number of slices.

	DM	𝑃 (%)
3D Seg	0.78±0.03	33.5±5.1
2D Seg	0.48±0.09	55.4±13.8
3D + 2D Seg (total)	0.61±0.06	88.9±11.9