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Contrast-to-noise ratio (CNR), signal-to-noise ratio (SNR) and quantification bias (based on Eq. 8) calculated for images obtained from simple averaging of all auxiliary images (MR-average) and the MR-NLM method
| Sphere | #1 | #2 | #3 | #4 | #5 | #6 |
|---|---|---|---|---|---|---|
| MR-average | ||||||
| Bias (%) | 32.1 | 31.1 | 29.9 | 27.2 | 26.0 | 23.4 |
| SNR | 27.7 | 28.0 | 28.8 | 31.0 | 30.4 | 30.7 |
| CNR | 12.9 | 12.9 | 17.7 | 21.5 | 21.7 | 23.9 |
| MR-NLM | ||||||
| Bias (%) | 31.1 | 29.7 | 29.0 | 26.6 | 25.1 | 23.1 |
| SNR | 28.8 | 29.9 | 30.1 | 32.5 | 32.6 | 32.7 |
| CNR | 13.8 | 13.9 | 18.8 | 22.6 | 22.9 | 24.9 |
