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

\(0\)

\(4.15\)

\(5.34\)

\(17.99\)

\(24.71\)

\(21.76\)