Molecular Imaging 2017

PET/MR motion artifacts

Gating

Recon

Listmode PET

Gated Listmodes

Original PET

PET Frames

Estimate Motion Fields 1

Alignment and Summation

2D-Images

Motion Fields

Corrected PET

µMap Deformation

MR

Navigator

(Wuerslin C et al., JNM 2013)

µMap

[1] Thirion JP, Med Image Anal. 1998.

Courtesy H Schmidt, C Würslin