Table 1.

Training result of 3D U-Net using automatic segmentation of prostate and extracapsular structures method.

	Data split; training / validation / test, n	Loss coefficient	Dice score
Prostate	58 / 10 / 5	0.10	0.83
Rectum	58 / 10 / 5	0.15	0.76
Bladder	58 / 10 / 5	0.22	0.81
Bulb of penis	58 / 10 / 5	0.14	0.82
Bulbospongiosus muscle	48 / 5 / 3	0.17	0.44
Crus of penis	58 / 10 / 5	0.10	0.84
Obturator internus muscle	58 / 10 / 5	0.10	0.84
Pelvic diaphragm muscle	58 / 10 / 5	0.10	0.60
Transverse perineal muscle	58 / 10 / 5	0.2	0.15
Ischiocavern muscle	58 / 10 / 5	0.17	0.55
Pubis bone	58 / 10 / 5	0.10	0.73
Seminal Vesicle	58 / 10 / 5	0.2	0.43