A Computer-Aided Diagnosis System for Dynamic Contrast-Enhanced MR Images Based on Level Set Segmentation and ReliefF Feature Selection

Table 1

Areas, statistical comparisons, and area overlap measures of computerized and radiologists’ manual delineation.

Segmentation method	Area; (mean ± SD pixels)	Pearson’s correlation	-test; value	AOR1; (mean ± SD)	AOR2; (mean ± SD)
FCM	1,439.5 ± 1,300.7	0.9807	0.7173	0.84 ± 0.14	0.75 ± 0.15
GVF-snake-FCM	1,474.7 ± 1,333.9	0.9828	0.8098	0.87 ± 0.09	0.78 ± 0.14
CV-level set	1,526.4 ± 1,334.8	0.9868	0.9449	0.89 ± 0.10	0.79 ± 0.14
Radiologists’ manual	1,547.1 ± 1,380.5	—	—	—	—