Meeting Banner
Abstract #2579

In-Plane Motion Correction for Diffusion-Weighted 3D Multi-Slab EPI

Mathias Engstrm1, 2, Stefan Skare1, 2

1Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden; 2Department of Neuroradiology, Karolinska University Hospital, Stockholm, Sweden

This work details a two step in-plane motion correction method for diffusion-weighted 3D Multi-Slab EPI, using the navigator readouts and the overlapping area between adjacent slabs.

Keywords

acknowledging acquisition acquisitions added addition address adjacent aforesaid align although applied arbitrary assuming becomes blue body brain channel chosen clinical coherent coil collected collinear column cope correct correction corrections corrupted coverage demanding detail diffusion divided edge effectively efficiency enabling encode encoded encoding examples final formed full green head healthy hospital ignore indicates initial instructed inter intra involuntary isotropic justified like limitations locking long longer makes material matrix metric motion navigator neighboring next nodding nominal normalization occurred often outwards overlapping performance prior procedure prolonged proposed realigned realignment reasonably registered registration relevant repeated required resolution respectively retrospective rigid rotate scanned selected sense shot significantly simple slab slabs slice slices slowly solid spatial stack stemming step steps still studies subject subsequently suggested system tailored takes third together transformation true type upper utilizing varying volume volumes volunteer warranted yielding