Table 2.

The mean accuracy of 30 images under different setting bias field parameter as 0% noise.

Method	Bias-filed
	0	20	40
MSFCM-CSF	0.7071	0.7101	0.7073
FCM-CSF	0.6016	0.6075	0.6187
MSFCM-GRY	0.8039	0.8029	0.8016
FCM-GRY	0.6923	0.6963	0.7049
MSFCM-WHT	0.8837	0.8839	0.8787
FCM-WHT	0.8574	0.8517	0.8345