Marina Filipovic1,2, Pierre-Andr Vuissoz1,2,
Andrei Codreanu3, Michel Claudon4, Jacques Felblinger1,5
1INSERM-U947, Nancy, France; 2Laboratory
IADI, Nancy-Universit, Nancy, France; 3Centre Hospitalier de
Luxembourg; 4University Hospital Nancy; 5INSERM-CIC801
Physiological
motion often impairs the analysis of abdominal and thoracic dynamic
contrast-enhanced MRI, by causing motion-induced artefacts and
misregistration. A previously published reconstruction algorithm, GRICS,
corrects for motion-induced artifacts in a single image reconstruction. A
novel method has been developed by modifying GRICS with the purpose of
performing whole motion compensation in dynamic contrast-enhanced MRI. The
performance is demonstrated on 6 myocardial perfusion MRI data sets and on
one simulated data set. The results present elastic registration and
motion-artefact correction of the image series, in order to allow for more
accurate time-intensity curves analysis and for a simplified post-processing.
Keywords