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Table 2 Comparisons of experimental results in SSIM

From: Nonlinear filtering based on 3D wavelet transform for MRI denoising

Algorithm Test image and noise level
  T1-weighted MR image T2-weighted MR image PD-weighted MR image
  1% 3% 5% 7% 9% 1% 3% 5% 7% 9% 1% 3% 5% 7% 9%
UNML 0.984 0.926 0.869 0.814 0.763 0.987 0.941 0.895 0.852 0.814 0.985 0.934 0.880 0.829 0.783
ABONLM 0.943 0.862 0.827 0.798 0.770 0.967 0.902 0.865 0.839 0.816 0.968 0.897 0.855 0.823 0.796
2DW-BF 0.967 0.929 0.931 0.896 0.873 0.991 0.948 0.899 0.867 0.856 0.997 0.930 0.881 0.836 0.830
3DW-IBF 0.989 0.934 0.921 0.913 0.908 0.989 0.942 0.916 0.901 0.882 0.988 0.946 0.903 0.890 0.855