Fast Simultaneous Multi-Slice Multi-Shell Diffusion Tensor Imaging with Model-based Reconstruction

Oliver Maier, Stefan Manfred Spann, Lea Bogensperger, Rudolf Stollberger

Publikation: KonferenzbeitragAbstractBegutachtung

Abstract

Multi-Shell DTI suffers from low SNR for high b-value data and prolonged scan time. The Gaussian noise assumption is
typically violated due to multi-coil imaging and magnitude forming thus requiring special treatment to avoid biases in
the DTI estimates. To this end, we propose a model-based reconstruction technique to exploit the Gaussian noise in the
raw k-space data and enable acceleration of the DTI measurement. We show the acceleration potential and quantitative
accuracy of the proposed method for mono- and bi-exponential fitting approaches on freely available DTI data and full
brain DTI measurements of one healthy volunteer.
Originalspracheenglisch
Seiten4365
PublikationsstatusVeröffentlicht - 2020
Veranstaltung2020 ISMRM & SMRT Virtual Conference & Exhibition: ISMRM 2020 - Virtuell
Dauer: 8 Aug. 202014 Aug. 2020

Konferenz

Konferenz2020 ISMRM & SMRT Virtual Conference & Exhibition
KurztitelISMRM 2020
OrtVirtuell
Zeitraum8/08/2014/08/20

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