A Spatial Shape Constrained Clustering Method for Mammographic Mass Segmentation

Table 1

The probability of segmentation error (PSE) by DACF, DA, and FCM on twenty-three ROIs with well-defined masses in Figure 1.

Image	PSE of DACF	PSE of DA	PSE of FCM
	(%)	(%)	(%)
mdb001	4.87	11.70	12.12
mdb002	28.88	32.58	32.15
mdb005	3.40	6.94	6.27
mdb010	2.61	9.33	8.2
mdb012	8.43	12.97	12.49
mdb015	5.18	7.30	6.83
mdb017	6.38	16.00	17.03
mdb019	9.48	19.17	17.50
mdb021	6.71	11.21	10.46
mdb023	1.31	4.58	3.33
mdb025	4.65	3.65	4.79
mdb028	4.47	6.42	6.20
mdb069	7.42	11.12	12.34
mdb080	2.57	12.32	15.61
mdb091	2.17	7.69	10.51
mdb132-a	4.25	7.75	10.12
mdb132-b	5.16	7.92	8.67
mdb141	3.67	18.55	17.93
mdb142	1.68	4.81	5.79
mdb244	17.25	29.69	30.36
mdb270	21.45	29.67	32.87
mdb290	10.99	12.20	12.19
mdb315	2.24	16.25	12.62
Average of PSE	7.18	13.04	13.32