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TNR estimation for scenarios involving different sequences and parameters.
| Matrix Size | Temporal Resolution |
Acceleration Factor |
Expected TNR |
Measured TNR |
|
|---|---|---|---|---|---|
| a) Full-FOV SPGR (2D) |
192x192x1 1 average |
7.68 s | 1 | 1 | 1* |
| b) Proposed rFOV method (2D) |
192x8x1 1 average |
0.32 s | 24 | 0.20 | 0.18 |
| c) Proposed rFOV method (3D) |
192x8x24 1 average |
7.68 s | 1 | 1 | 0.86 |
| d) Full-FOV EPI (ETL=4) |
192x192x1 4 averages |
7.68 s | 1 | 1 | 0.95 |
Temperature noise of Full-FOV SPGR in a gel was 0.1°C.
