Computerized Segmentation and Characterization of Breast Lesions in Dynamic Contrast-Enhanced MR Images Using Fuzzy c-Means Clustering and Snake Algorithm

Table 1

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

Segmentation method	Area; (mean ± SD pixels)	Pearson’s correlation	t-test; P value	AOR1; (mean ± SD)	AOR2; (mean ± SD)
FCM-based	1599.5 ± 1355.4	0.891	0.105	0.75 ± 0.13	0.72 ± 0.12
GVF-FCM	1815.3 ± 1722.2	0.976	0.437	0.81 ± 0.10	0.78 ± 0.08
Radiologists’ manual	2114.9 ± 2093.8	—	—	—	—