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3D k-Space Domain Parallel Transmit Pulse Design

Author:Jun Ma  Bernhard Gruber  Xinqiang Yan  William Grissom  

Session Type:Digital Poster  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:RF Pulses  

Program Number:3953  

Room Session:Concurrent 1  

Institution:A. A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School  Stanford University  Vanderbilt University  Medical University Vienna  

Asymmetric GOIA pulses for highly selective B1 and T1 independent outer volume suppression

Author:Chathura Kumaragamage  Peter Brown  Scott McIntyre  Terence Nixon  Henk De Feyter  Robin de Graaf  

Session Type:Oral  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:New Strategies in RF Pulse Design  

Program Number:0780  

Room Session:Concurrent 1  

Institution:Yale University  

Calibration-free pTx of the human heart at 7T via 3D universal pulses

Author:Christoph Aigner  Sebastian Dietrich  Tobias Schaeffter  Sebastian Schmitter  

Session Type:Oral  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:New Strategies in RF Pulse Design  

Program Number:0777  

Room Session:Concurrent 1  

Institution:Physikalisch-Technische Bundesanstalt (PTB)  King's College London  German Cancer Research Center (DKFZ)  

Consistency, ablation, and scalability studies of DeepRF

Author:Dongmyung Shin  Jiye Kim  Juhyung Park  Jongho Lee  

Session Type:Digital Poster  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:RF Pulses  

Program Number:3959  

Room Session:Concurrent 1  

Institution:Seoul National University  

DeepControl: AI-powered slice flip-angle homogenization by 2DRF pulses

Author:Mads Vinding  Christoph Aigner  Jason Stockmann  Bastien Guérin  Sebastian Schmitter  Torben Lund  

Session Type:Oral  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:New Strategies in RF Pulse Design  

Program Number:0785  

Room Session:Concurrent 1  

Institution:Aarhus University  Harvard Medical School  Physikalisch-Technische Bundesanstalt (PTB)  Massachusetts General Hospital  University of Minnesota  

DeepRF-Grad: Simultaneous design of RF pulse and slice selective gradient using self-learning machine

Author:Jiye Kim  Dongmyung Shin  Juhyung Park  Hwihun Jeong  Jongho Lee  

Session Type:Digital Poster  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:RF Pulses  

Program Number:3957  

Room Session:Concurrent 1  

Institution:Seoul National University  

Evaluating Universal and Fast Online Customized Pulses for parallel transmission using two different RF coils

Author:Jürgen Herrler  Sydney Williams  Patrick Liebig  Shajan Gunamony  Christian Meixner  Andreas Maier  Arnd Dörfler  David Porter  Armin Nagel  

Session Type:Digital Poster  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:RF Pulses  

Program Number:3950  

Room Session:Concurrent 1  

Institution:Friedrich Alexander University Erlangen Nürnberg  Siemens Healthineers  University Hospital Erlangen  University of Glasgow  MR CoilTech Limited  

Exploring RF pulse design with deep reinforcement learning

Author:Xiaodong Ma  Kamil Ugurbil  Xiaoping Wu  

Session Type:Digital Poster  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:RF Pulses  

Program Number:3960  

Room Session:Concurrent 1  

Institution:Center for Magnetic Resonance Research, Radiology, Medical School, University of Minnesota  

Improved B0 mapping with universal parallel transmit pulses at 7 tesla

Author:Jürgen Herrler  Patrick Liebig  Rene Gumbrecht  Sydney Williams  Christian Meixner  Andreas Maier  Arnd Dörfler  Armin Nagel  

Session Type:Digital Poster  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:RF Pulses  

Program Number:3962  

Room Session:Concurrent 1  

Institution:Friedrich Alexander University Erlangen Nürnberg  Siemens Healthineers  University Hospital Erlangen  University of Glasgow  

Inner Volume Excitation via Joint Design of Time-varying Nonlinear Shim-array Fields and RF Pulse

Author:Molin Zhang  Nicolas Arango  Jason Stockmann  Jacob White  Elfar Adalsteinsson  

Session Type:Oral  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:New Strategies in RF Pulse Design  

Program Number:0783  

Room Session:Concurrent 1  

Institution:Athinoula A. Martinos Center for Biomedical Imaging  Massachusetts Institute of Technology  

Interleaved Binomial kT-Points for Water-Selective Imaging at 7T

Author:Daniel Löwen  Eberhard Pracht  Rüdiger Stirnberg  Tony Stöcker  

Session Type:Oral  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:New Strategies in RF Pulse Design  

Program Number:0781  

Room Session:Concurrent 1  

Institution:German Center for Neurodegenerative Diseases (DZNE)  Department of Physics and Astronomy, University of Bonn  

iSLR: An Improved Shinnar-Le-Roux Frequency Selective Pulse Design Algorithm with Reduced Energy and More Accurate Phase Profiles

Author:Frank Ong  Michael Lustig  Shreyas Vasanawala  John Pauly  

Session Type:Oral  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:New Strategies in RF Pulse Design  

Program Number:0784  

Room Session:Concurrent 1  

Institution:Stanford University  University of California, Berkeley  

Joint optimisation of parallel transmission in 2D spin-echo based sequences

Author:Belinda Ding  Iulius Dragonu  Patrick Liebig  Christopher Rodgers  

Session Type:Digital Poster  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:RF Pulses  

Program Number:3955  

Room Session:Concurrent 1  

Institution:Siemens Healthcare Limited  Siemens Healthineers  University of Cambridge  

Lipid Artifact Removal by Dynamic Shimming (LARDS) with multi-coil B0 shim arrays

Author:Jinmin Xu  Nicolas Arango  Congyu Liao  Berkin Bilgic  Zijing Zhang  Lawrence Wald  Setsompop Kawin  Huafeng Liu  Jason Stockmann  

Session Type:Oral  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:New Strategies in RF Pulse Design  

Program Number:0782  

Room Session:Concurrent 1  

Institution:Harvard Medical School  Massachusetts General Hospital  Zhejiang University  

Motion Robust Parallel Transmission Excitation Pulse Design for Ultra-High Field MRI

Author:Luke Watkins  Alix Plumley  Kevin Murphy  Emre Kopanoglu  

Session Type:Digital Poster  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:RF Pulses  

Program Number:3951  

Room Session:Concurrent 1  

Institution:CUBRIC, Cardiff University  

Multidimensional RF Pulse Design with Known Spatial Encoding Imperfections

Author:Ziwei Zhao  Nam Lee  Krishna Nayak  

Session Type:Digital Poster  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:RF Pulses  

Program Number:3954  

Room Session:Concurrent 1  

Institution:University of Southern California  

Multi-scale Accelerated Auto-differentiable Bloch-simulation based joint design of excitation RF and gradient waveforms.

Author:Tianrui Luo  Douglas Noll  Jeffrey Fessler  Jon-Fredrik Nielsen  

Session Type:Digital Poster  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:RF Pulses  

Program Number:3958  

Room Session:Concurrent 1  

Institution:University of Michigan  

Off-resonance Robustness in Reduced FOV Imaging using Sheared 2DRF Excitation

Author:Bahadir Barlas  Cagla Bahadir  Sevgi Kafali  Ugur Yilmaz  Emine Saritas  

Session Type:Oral  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:New Strategies in RF Pulse Design  

Program Number:0779  

Room Session:Concurrent 1  

Institution:Bilkent University  Cornell University  National Magnetic Resonance Research Center (UMRAM), Bilkent University  Neuroscience Graduate Program, Bilkent University  

Optimization of the Nominal Flip Angle in Actual Flip Angle Imaging Using Phase Difference Information

Author:Tsuyoshi Matsuda  Ikuko Uwano  Yuji Iwadate  Makoto Sasaki  

Session Type:Digital Poster  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:RF Pulses  

Program Number:3956  

Room Session:Concurrent 1  

Institution:GE Healthcare Japan  Iwate Medical University  

Reducing inter-subject variability and improving accuracy of Universal Pulses using standardized (universal) pulses

Author:Caroline Le Ster  Franck Mauconduit  Aurélien Massire  Vincent Gras  Nicolas Boulant  

Session Type:Digital Poster  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:RF Pulses  

Program Number:3948  

Room Session:Concurrent 1  

Institution:Paris-Saclay University, CEA, CNRS, BAOBAB, Neurospin  Siemens Healthcare SAS  

Respiration induced B1+ changes and its compensation via respiration robust 3D kT point pulses in 7T body imaging

Author:Christoph Aigner  Sebastian Dietrich  Tobias Schaeffter  Sebastian Schmitter  

Session Type:Digital Poster  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:RF Pulses  

Program Number:3947  

Room Session:Concurrent 1  

Institution:Physikalisch-Technische Bundesanstalt (PTB)  King's College London  German Cancer Research Center (DKFZ)  

RF Pulse Designs for Velocity-Selective MRA at Low Field Strengths

Author:Ziwei Zhao  Nam Lee  Krishna Nayak  

Session Type:Digital Poster  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:RF Pulses  

Program Number:3961  

Room Session:Concurrent 1  

Institution:University of Southern California  

Robust RF Shimming and Small-tip-angle Multi-spoke Pulse Design with Finite Difference Regularization

Author:Zhipeng Cao  Adrian Paez  Chunming Gu  Jun Hua  

Session Type:Oral  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:New Strategies in RF Pulse Design  

Program Number:0778  

Room Session:Concurrent 1  

Institution:Johns Hopkins University  Vanderbilt University  

Spatial localisation for mapping regional oxygen extraction fraction using parallel transmission saturation pulses at 7 T

Author:Yan Tong  Peter Jezzard  Caitlin O'Brien  William Clarke  

Session Type:Digital Poster  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:RF Pulses  

Program Number:3964  

Room Session:Concurrent 1  

Institution:University of Oxford  Guy's and St Thomas' NHS Foundation Trust  

Time optimal control based design of robust inversion pulses

Author:Christina Graf  Martin Soellradl  Armin Rund  Christoph Aigner  Rudolf Stollberger  

Session Type:Digital Poster  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:RF Pulses  

Program Number:3952  

Room Session:Concurrent 1  

Institution:Graz University of Technology, Institute of Medical Engineering  Institute of Mathematics and Scientific Computing, University of Graz  Physikalisch-Technische Bundesanstalt (PTB), Braunschweig and Berlin  

Uniform Magnetization Transfer contrast at 7T with Direct Saturation Control

Author:David Leitão  Raphael Tomi-Tricot  Pip Bridgen  Tom Wilkinson  Patrick Liebig  Rene Gumbrecht  Dieter Ritter  Sharon Giles  Ana Baburamani  Jan Sedlacik  Joseph Hajnal  Shaihan Malik  

Session Type:Oral  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:New Strategies in RF Pulse Design  

Program Number:0786  

Room Session:Concurrent 1  

Institution:King's College London  Siemens Healthcare GmbH  Siemens Healthcare Limited  

Universal parallel transmit pulses for a 2-dimensional local excitation target pattern at 9.4T

Author:Ole Geldschläger  Dario Bosch  Anke Henning  

Session Type:Digital Poster  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:RF Pulses  

Program Number:3963  

Room Session:Concurrent 1  

Institution:Max-Planck-Institute for Biological Cybernetics  University Hospital Tübingen  University of Texas Southwestern Medical Center  

"Universal" non-selective pulse design at 7 Tesla using a birdcage coil and a B0 shim array: Evaluation of kT-points and fully optimized pulses

Author:Bastien Guerin  Eugene Milshteyn  Yulin Chang  Mads Vinding  Mathias Davids  Wald Lawrence  Jason Stockmann  

Session Type:Digital Poster  

Session Date:Thursday, 20 May 2021  

Topic:New strategies in RF Pulse Design  

Session Name:RF Pulses  

Program Number:3949  

Room Session:Concurrent 1  

Institution:Center for functionally integrative neuroscience  Massachusetts General Hospital  Siemens Medical Solutions