Table 1 Imaging protocols and SNRs.
From: 3D quantification of metal-induced geometric distortions in MRI
VIBE1 | VIBE2 | VIBE3 | VIBE4 | VIBE5 | SPACE | |
---|---|---|---|---|---|---|
TR/TE | \(6.73ms/2.41ms\) | \(2000ms/21ms\) | ||||
Number of averages | \(1\) | \(1\) | \(1\) | 4 | 9 | \(1\) |
Resolution | \(192\times 192\times 192\) | |||||
Voxel size | \(1.0mm isotropic\) | |||||
Slice oversampling | \(100\%\) | |||||
Phase oversampling | \(10\text{\%}\) | |||||
Readout bandwidth | \(520Hz/Voxel\) | \(521Hz/Voxel\) | ||||
Parallel imaging factor | \(3\times\) | \(2\times\) | \(\text{n}/\text{a}\) | \(\text{n}/\text{a}\) | \(\text{n}/\text{a}\) | \(\text{n}/\text{a}\) |
Flip angle / FA variation | \(10\) | \(PD Var\) | ||||
Turbo factor | \(\text{n}/\text{a}\) | \(35\) | ||||
SNR | \(14.49\pm 1.05\) | \(18.64\pm 1.75\) | \(19.83\pm 1.95\) | \(32.48\pm 2.92\) | \(39.20\pm 4.48\) | \(36.25\pm 7.61\) |
Increment from VIBE1 | \(0\) | \(4.15\) | \(5.34\) | \(17.99\) | \(24.71\) | \(21.76\) |