Table 1.
DW-EPI imaging protocol parameters for different acquisition matrices designed to maintain the phase-encoding k-space velocity and SNR constant.
N | voxel size (mm) | R | esp (ms) | Navg | vky (kHz) | relative SNR | acquisition time (min) |
---|---|---|---|---|---|---|---|
80 | 2.50 | 2.38 | 0.600 | 2 | 3.97 | 1.035 | 4 |
96 | 2.08 | 2.56 | 0.652 | 3 | 3.93 | 0.963 | 6 |
128 | 1.56 | 2.86 | 0.732 | 8 | 3.91 | 1.000 | 16 |