Table 2.

Comparison of segmentation accuracy between the state‐of‐the‐art methods and our method (Dice %), bold fonts indicate the best performer for that structure

Organ/method	Atlas‐based5	Model‐based37	CNN24	FCNN(our)	FCNN+SRM(our)
Brainstem	82	87 ± 4	Unavailable	82.86 ± 2.68	86.97 ± 2.95
Chiasm	Unavailable	35 ± 16	37.4 ± 13.4	46.19 ± 8.35	58.35 ± 10.28
Mandible	89	91 ± 2	89.5 ± 3.6	92.07 ± 1.15	93.67 ± 1.21
Left optic nerve	Unavailable	63 ± 5	63.9 ± 6.9	60.66 ± 9.01	65.31 ± 5.75
Right optic nerve	Unavailable	63 ± 5	64.5 ± 7.5	61.94 ± 4.63	68.89 ± 4.74
Left parotid	82	82 ± 10	76.6 ± 6.1	81.69 ± 3.23	83.49 ± 2.29
Right parotid	82	82 ± 10	77.9 ± 5.4	81.31 ± 5.88	83.18 ± 1.45
Left Submandibular	69	78 ± 8	69.7 ± 13.3	71.55 ± 5.51	75.48 ± 6.49
Right submandibular	69	78 ± 8	73.0 ± 9.2	76.7 ± 7.31	81.31 ± 6.45