Table 1.
GRAPPA Factor | SMS Factor | FOV Shift | Partial Fourier Factor | GRAPPA Reference Lines Acquisition |
---|---|---|---|---|
2 | 1 | No | 6/8 | FLEET |
2 | 1 | No | 6/8 | Segmented EPI |
2 | 2 | 3 | 6/8 | FLEET |
2 | 2 | 3 | 6/8 | Segmented EPI |
2 | 2 | 2 | 6/8 | FLEET |
2 | 3 | 3 | 6/8 | FLEET |
2 | 4 | 2 | 6/8 | FLEET |
1 | 2 | 2 | 5/8 | No |
1 | 2 | 3 | 5/8 | No |
1 | 3 | 2 | 5/8 | No |
1 | 4 | 3 | 5/8 | No |
EPI, echo‐planar imaging; FLEET, fast low‐angle excitation echo‐planar technique; FOV, field of view; GRAPPA, generalized autocalibrating partially parallel acquisitions; SMS, simultaneous multi‐slice.