A semiautomatic tool for prostate segmentation in radiotherapy treatment planning

BMC Medical Imaging

Table 1 Evaluation metrics comparing BFE to manual delineations, and comparing deformed MBFE to manual delineations

Test set	1	2	3	4	5	6	7	8	9	10
BFE
Dice 3D	0.96	0.97	0.95	0.96	0.94	0.94	0.96	0.96	0.97	0.93
Accuracy	0.93	0.94	0.91	0.91	0.88	0.88	0.92	0.93	0.94	0.85
HD mean	1.32	1.09	2.24	1.34	1.94	1.61	1.41	1.65	1.59	2.49
#HD > 3mm	0 (6)	0 (8)	3 (12)	0 (8)	2 (11)	0 (13)	0 (9)	0 (15)	1 (13)	2 (10)
Deformed MBFE
Dice 3D	0.92	0.93	0.90	0.91	0.88	0.84	0.92	0.88	0.89	0.88
Accuracy	0.84	0.84	0.81	0.82	0.74	0.70	0.84	0.73	0.80	0.74
HD mean	2.38	2.58	6.12	2.76	3.79	4.32	2.73	5.59	4.88	4.63
#HD > 3mm	1 (6)	1 (8)	9 (12)	4 (8)	7 (11)	8 (13)	2 (9)	13 (15)	8 (13)	9 (10)

(unit: Dice 3D and accuracy in percentage, HD mean in mm, number of slices with HD ≥ 3mm compared to the total number of slices in brackets).

ISSN: 1471-2342