Research on Several Key Problems of Medical Image Segmentation and Virtual Surgery

Table 15

Membership function parameters and thresholds.

Picture	Method	a	b	c	T1	T2
CT map	Cheng method	47	41	39	57	26
	Kapur method	76	36	50	9	64
	Method of this article	10	83	10	31	64
MR chart	Cheng method	34	25	64	82	9
	Kapur method	13	85	30	87	9
	Method of this article	62	20	18	44	14
Lena diagram	Cheng method	43	75	78	73	5
	Kapur method	54	52	30	86	70
	Method of this article	49	8	49	46	42