Table 1 Comparisons of experimental results in MSE
From: Nonlinear filtering based on 3D wavelet transform for MRI denoising
Algorithm | Test image and noise level | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | T1-weighted MR image | T2-weighted MR image | PD-weighted MR image | ||||||||||||
| Â | 1% | 3% | 5% | 7% | 9% | 1% | 3% | 5% | 7% | 9% | 1% | 3% | 5% | 7% | 9% |
UNML | 2.50 | 11.42 | 24.71 | 43.69 | 68.12 | 3.31 | 18.62 | 38.68 | 64.97 | 97.78 | 2.68 | 13.85 | 29.52 | 48.78 | 71.20 |
ABONLM | 3.28 | 19.78 | 51.07 | 97.98 | 161.39 | 6.55 | 24.76 | 56.19 | 101.03 | 159.83 | 4.01 | 18.82 | 46.08 | 87.25 | 141.02 |
2DW-BF | 3.08 | 11.56 | 26.06 | 51.56 | 62.26 | 7.23 | 20.33 | 57.30 | 68.27 | 90.03 | 3.65 | 15.19 | 30.63 | 43.67 | 62.77 |
3DW-IBF | 2.07 | 8.20 | 15.11 | 22.31 | 29.58 | 4.62 | 15.54 | 29.21 | 50.10 | 67.38 | 3.52 | 11.18 | 20.65 | 26.12 | 41.58 |