Liver Tumor Segmentation from MR Images Using 3D Fast Marching Algorithm and Single Hidden Layer Feedforward Neural Network

Table 2

Summary of the comparison results.

Dataset	Evaluation measure	Mean	SD	Min	Max
Medic Medical Center	Volumetric overlap error (%)	26.66	7.06	15.70	39.47
	Percentage volume error (%)	16.68	12.51	0.17	39.47
	Average surface distance (mm)	0.44	0.47	0.21	2.12
	RMS surface distance (mm)	0.97	0.97	0.53	4.40
	Maximal surface distance (mm)	4.84	4.89	1.68	21.18
TCIA	Volumetric overlap error (%)	28.57	10.89	13.71	47.89
	Percentage volume error (%)	14.32	15.81	0.21	47.89
	Average surface distance (mm)	0.79	0.73	0.14	2.66
	RMS surface distance (mm)	1.55	1.06	0.35	3.90
	Maximal surface distance (mm)	8.46	6.45	1.61	19.60
Both	Volumetric overlap error (%)	27.43	8.63	13.71	47.89
	Percentage volume error (%)	15.74	13.65	0.17	47.89
	Average surface distance (mm)	0.58	0.60	0.14	2.66
	RMS surface distance (mm)	1.20	1.03	0.35	4.40
	Maximal surface distance (mm)	6.29	5.73	1.61	21.18