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International Journal of Biomedical Imaging
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International Journal of Biomedical Imaging
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2009
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Article
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Tab 1
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Research Article
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