Brain MR image segmentation using NAMS in pseudo-color

Figures & data

Figure 1. Brain MR images and their corresponding pseudo-color images.

Table 1. Data structure of NAMS.

s1	sp(x1, y1)	l1	arv1
s2	sp(x2, y2)	l2	arv2
…	…	…	…
sn	sp(xn, yn)	ln	arvn

Figure 2. An illustration for the idea of NAMS.

Figure 3. NAMS segmentation of brain MR image.

Figure 4. Comparison of segmented results.

Table 2. Data comparison of NAMS and other methods.

	FCM	eSFCM	USSFC	NAMS
PSNR	40.4496	39.2181	46.0448	47.0364
MSE	5.863	7.7852	1.6166	1.2866
Dice Coefficient	0.9492	0.9391	0.9797	0.9801
Hausdorff Distance	20.0012	19.2354	20.2237	22.8035
Data measurement unit	pixel	pixel	pixel	block(square)