A Unified Framework for Brain Segmentation in MR Images

Table 2

Mean and standard deviation of the Kappa index for different segmentation methods.

Methods	White matter (%)		Grey matter (%)
	Mean	Standard deviation	Mean	Standard deviation
HMC	86.53	1.73	79.94	5.57
EM	85.87	2.27	78.94	5.68
SPM 5	85.27	5.52	78.7	13.98
FCM	85.6	3.81	83.21	4.03
NL-FCM	84.68	3.38	78.84	4.07
Proposed method	85.90	2.89	82.21	3.95