no code implementations • 19 Feb 2021 • Markus Bödenler, Oliver Maier, Rudolf Stollberger, Lionel M. Broche, P. James Ross, Mary-Joan MacLeod, Hermann Scharfetter
Purpose: Recent developments in hardware design enable the use of Fast Field-Cycling (FFC) techniques in MRI to exploit the different relaxation rates at very low field strength, achieving novel contrast.
no code implementations • 10 Sep 2020 • Oliver Maier, Stefan M Spann, Daniela Pinter, Thomas Gattringer, Nicole Hinteregger, Gerhard G. Thallinger, Christian Enzinger, Josef Pfeuffer, Kristian Bredies, Rudolf Stollberger
This joint regularization approach utilizes shared spatial features across maps to enhance sharpness and simultaneously improves noise suppression in the final estimates.
1 code implementation • 24 Feb 2017 • Christoph Aigner, Christian Clason, Armin Rund, Rudolf Stollberger
RF pulse design via optimal control is typically based on gradient and quasi-Newton approaches and therefore suffers from slow convergence.
Optimization and Control