Evaluating different methods of MR-based motion correction in simultaneous PET/MR using a head phantom moved by a robotic system

EJNMMI Physics

Table 1 Listing of the most important sequence parameters

Sequence (clinical)	Parameters	Values
MRAC Brain HiRes	Sequence TR TE Voxel size Flip-Angle Segmentation References	Dixon 4.14 ms 1.28/2.51 ms 2.1 \(\times\) 2.1 \(\times\) 2.0 mm\(^3\) 10\(^{\circ }\) fat, water, bone (built-in) [41]
EPI for MoCo	Sequence TR TE Voxel size Acquisitionmatrix Flip-Angle	EPI bold 2000 ms 30 ms 3.0 \(\times\) 3.0 \(\times\) 3.5 mm\(^3\) 64 \(\times\) 64 90\(^{\circ }\)
\(T_1\) MPRAGE	Sequence TR TE Voxel size Acquisitionmatrix Flip-Angle	MPRAGE (\(T_1\) weighted) 2400 ms 2.26 ms 1.0 \(\times\) 1.0 \(\times\) 1.0 mm\(^3\) 256 \(\times\) 256 8\(^{\circ }\)