Multicomponent MR Image Denoising

Table 4

Comparison of the results of the different filters. RNF following filtering and data lying beyond 3 SD of original value following filtering (in brackets). The expected number of outliers was 60 for the selected brain region.

	Noise	MPVM	MGMM	OMNLM-PCA
IRTSE	58.76(2.1%)	0.77(292)	0.34(84)	0.33 (51)
PD	64.06(2.9%)	0.44(250)	0.30(68)	0.23 (52)
T2	58.20(3.3%)	0.43(174)	0.26(95)	0.19 (74)
FLAIR	52.40(2.2%)	0.39(246)	0.25(79)	0.18 (69)
Average	58.35(2.6%)	0.51(240)	0.28(81)	0.23 (61)