Segmentation of Intensity Inhomogeneous Brain MR Images Using Active Contours

Table 3

Quantitative analysis to evaluate the segmentation accuracy of GM and WM regions.

Test data	Proposed method		LBF		LIF		Slice number
	Accuracy WM %	Accuracy GM %	Accuracy WM %	Accuracy GM %	Accuracy WM %	Accuracy GM %
4	85.71	72.74	70.07	64.15	54.65	51.81	144
	94.58	77.97	87.09	73.35	69.55	55.06	200
5	85.48	69.65	76.47	65.21	67.89	59.95	150
	93.58	73.93	75.18	61.27	50.04	37.78	200
	78.44	66.41	70.91	63.15	33.52	40.62	250
6	94.64	84.75	81.82	73.69	82.43	74.64	200
18	95.95	81.90	79.42	70.67	70.46	60.38	200
20	94.75	72.47	76.96	62.07	68.49	53.26	200
38	88.95	69.84	77.64	64.78	63.96	54.31	200
47	92.17	73.29	77.85	64.41	59.55	46.18	200
50	93.45	75.53	60.25	48.47	51.66	38.44	200
54	94.73	72.89	87.19	68.28	53.75	40.32	200