Multicomponent MR Image Denoising

Table 1

Comparison of the MNLM and proposed filters for different noise levels. MRMSE from all the images is presented. MRMSE of the unprocessed images is presented for reference.

Noise Std. Dev. (%)	MRMSE
	Noisy	MNLM	OMNLM	OMNLM-PCA
1%	2.37	2.22	1.42	1.09
3%	7.19	3.57	2.78	2.47
5%	11.97	5.58	3.81	3.57
7%	16.72	7.60	4.78	4.55
9%	21.52	9.71	5.95	5.79