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Ratio of standard deviation of thermal noise obtained without fMRI scanning and estimated thermal noise by each method applied on water phantom data obtained using both Spiral and EPI sequences.
| Sequences | ICA1 | ICA2 | ICA3 | AAS | PCA | TS |
|---|---|---|---|---|---|---|
| Spiral | 1.3 | 1.3 | 0.03 | 1.2 | 1.3 | 1.2 |
| EPI | 1.5 | 1.5 | 0.007 | 1.5 | 1.6 | 1.5 |
