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B0 Susceptibility-Induced Geometric Image Distortion at Low-Field for Magnetic Resonance Imaging in Radiation Therapy

Author:Manuel Schneider  Sylvain Doussin  Dieter Ritter  Martin Requardt  

Session Type:Digital Poster  

Session Date:Wednesday, 19 May 2021  

Topic:Systems Engineering II  

Session Name:Nobody's Perfect: Hardware & Patient Corrections  

Program Number:3326  

Room Session:Concurrent 2  

Institution:Siemens Healthcare GmbH  

B1+ Homogenization in 3D Liver MRI at 7 Tesla Using Eight-Channel Parallel Transmission: Kt-points vs. Phase Shimming

Author:Bobby Runderkamp  Thomas Roos  Wietske van der Zwaag  Matthan Caan  Gustav Strijkers  Aart Nederveen  

Session Type:Digital Poster  

Session Date:Wednesday, 19 May 2021  

Topic:Systems Engineering II  

Session Name:Nobody's Perfect: Hardware & Patient Corrections  

Program Number:3338  

Room Session:Concurrent 2  

Institution:Amsterdam UMC  Spinoza Center for Neuroimaging  

Bloch-Siegert |B1+|-Selective Excitation Pulses

Author:Jonathan Martin  Christopher Vaughn  Mark Griswold  William Grissom  

Session Type:Digital Poster  

Session Date:Wednesday, 19 May 2021  

Topic:Systems Engineering II  

Session Name:Nobody's Perfect: Hardware & Patient Corrections  

Program Number:3337  

Room Session:Concurrent 2  

Institution:Case Western Reserve University  Vanderbilt University  

Characterization of 3rd order shim system of human 7T MRI system demonstrates the need of real shim field calibration

Author:Mahrshi Jani  Ivan Dimitrov  Bei Zhang  Binu Thomas  Anke Henning  

Session Type:Digital Poster  

Session Date:Wednesday, 19 May 2021  

Topic:Systems Engineering II  

Session Name:Nobody's Perfect: Hardware & Patient Corrections  

Program Number:3328  

Room Session:Concurrent 2  

Institution:UT Southwestern Medical Center  

Correct K-space coordinates and gradient coupled $$$B_0$$$ variation for Spiral imaging using the current monitor

Author:Tzu-Cheng Chao  Jürgen Rahmer  Sandeep Ganji  Guruprasad Krishnamoorthy  Peter Börnert  James Pipe  

Session Type:Digital Poster  

Session Date:Wednesday, 19 May 2021  

Topic:Systems Engineering II  

Session Name:Nobody's Perfect: Hardware & Patient Corrections  

Program Number:3332  

Room Session:Concurrent 2  

Institution:Mayo Clinic  Philips Healthcare  Philips Research  

Eight channel B0 shim array as add-on for ultra-high field systems

Author:Jan Pedersen  Esben Petersen  Jason Stockmann  Vincent Boer  

Session Type:Digital Poster  

Session Date:Wednesday, 19 May 2021  

Topic:Systems Engineering II  

Session Name:Nobody's Perfect: Hardware & Patient Corrections  

Program Number:3335  

Room Session:Concurrent 2  

Institution:Athinoula A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital  Danish Research Centre for Magnetic Resonance, Centre for Functional and Diagnostic Imaging and Research, Copenhagen University Hospital  Philips Healthcare  Section for Magnetic Resonance, DTU Health Tech, Technical University of Denmark  

Hybrid Active and Passive Local Shimming (HAPLS) for Two-region Magnetic Resonance Imaging (MRI)

Author:Zhi Hua Ren  Jason Stockmann  Andrew Dewdney  Ray Lee  

Session Type:Digital Poster  

Session Date:Wednesday, 19 May 2021  

Topic:Systems Engineering II  

Session Name:Nobody's Perfect: Hardware & Patient Corrections  

Program Number:3327  

Room Session:Concurrent 2  

Institution:Columbia University  Harvard Medical School  Siemens Healthcare GmbH  Massachusetts General Hospital  

Investigation of respiration-induced changes of the scattering matrix by EM simulations and a breathing body model

Author:Natalie Schön  Frank Seifert  Gregory Metzger  Bernd Ittermann  Sebastian Schmitter  

Session Type:Digital Poster  

Session Date:Wednesday, 19 May 2021  

Topic:Systems Engineering II  

Session Name:Nobody's Perfect: Hardware & Patient Corrections  

Program Number:3342  

Room Session:Concurrent 2  

Institution:Center for Magnetic Resonance Research, University of Minnesota  Physikalisch-Technische Bundesanstalt (PTB), Braunschweig and Berlin, Germany  

Magnitude Least Squares RF Shimming with Singular Vector Minibatching

Author:Jonathan Martin  Benjamin Hardy  William Grissom  

Session Type:Digital Poster  

Session Date:Wednesday, 19 May 2021  

Topic:Systems Engineering II  

Session Name:Nobody's Perfect: Hardware & Patient Corrections  

Program Number:3339  

Room Session:Concurrent 2  

Institution:Vanderbilt University  

A New Representation of the Gradient System Transfer Function Using a Practical Algorithm of Finite Impulse Response Filters

Author:Hidenori Takeshima  

Session Type:Digital Poster  

Session Date:Wednesday, 19 May 2021  

Topic:Systems Engineering II  

Session Name:Nobody's Perfect: Hardware & Patient Corrections  

Program Number:3344  

Room Session:Concurrent 2  

Institution:Canon Medical Systems Corporation  

A new route of ultrahigh field MRI shimming: hybrid superconducting matrix coil and multi-order spherical harmonics room-temperature shim coils

Author:Yaohui Wang  Qiuliang Wang  Yang Liu  Jigang Zhao  Hui Wang  Junsheng Cheng  Feng Liu  

Session Type:Digital Poster  

Session Date:Wednesday, 19 May 2021  

Topic:Systems Engineering II  

Session Name:Nobody's Perfect: Hardware & Patient Corrections  

Program Number:3334  

Room Session:Concurrent 2  

Institution:Institute of Electrical Engineering, Chinese Academy of Sciences  School of Information Technology and Electrical Engineering, The University of Queensland  University of Chinese Academy of Sciences  

On the predictability of B0 maps at ultra-high fields using deep learning

Author:Vidya Prasad  Sharun S Thazhackal  Ashvin Srinivasan  Suja Saraswathy  Jaladhar Neelavalli  Umesh Rudrapatna  

Session Type:Digital Poster  

Session Date:Wednesday, 19 May 2021  

Topic:Systems Engineering II  

Session Name:Nobody's Perfect: Hardware & Patient Corrections  

Program Number:3333  

Room Session:Concurrent 2  

Institution:Philips  

On-coil B0 shimming with a flexible coaxial coil element at 3 T

Author:Bernhard Gruber  Maxim Zaitsev  Elmar Laistler  

Session Type:Digital Poster  

Session Date:Wednesday, 19 May 2021  

Topic:Systems Engineering II  

Session Name:Nobody's Perfect: Hardware & Patient Corrections  

Program Number:3330  

Room Session:Concurrent 2  

Institution:Center for Medical Physics and Biomedical Engineering, Medical University of Vienna  A.A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School  

Open-Source Gradient Impulse Response Function (GIRF) calibration measurements and their impact in Spiral acquisition

Author:Tiago Fernandes  Andreia Gaspar  Andreia Freitas  Nuno da Silva  Rita Nunes  

Session Type:Digital Poster  

Session Date:Wednesday, 19 May 2021  

Topic:Systems Engineering II  

Session Name:Nobody's Perfect: Hardware & Patient Corrections  

Program Number:3331  

Room Session:Concurrent 2  

Institution:Hospital da Luz Learning Health  Institute for Systems and Robotics - Lisboa and Department of Bioengineering, IST-UL  

Robust real-time 3D motion estimation with MR-MOTUS on an MR-LINAC: a multi-subject validation study

Author:Niek Huttinga  Tom Bruijnen  Cornelis van den Berg  Alessandro Sbrizzi  

Session Type:Digital Poster  

Session Date:Wednesday, 19 May 2021  

Topic:Systems Engineering II  

Session Name:Nobody's Perfect: Hardware & Patient Corrections  

Program Number:3341  

Room Session:Concurrent 2  

Institution:University Medical Center Utrecht  

Single Half-Cylinder B0 Shim Coil for the Knee

Author:Mingdong Fan  Sugandima Weragoda  Benjamin Cheung  Michael Martens  Labros Petropoulos  Xiaoyu Yang  Shinya Handa  Noah Deetz  Hiroyuki Fujita  Robert Brown  

Session Type:Digital Poster  

Session Date:Wednesday, 19 May 2021  

Topic:Systems Engineering II  

Session Name:Nobody's Perfect: Hardware & Patient Corrections  

Program Number:3325  

Room Session:Concurrent 2  

Institution:Case Western Reserve University  Quality Electrodynamics  

The Spherical Harmonic Rating: A Metric for B0 Shim System Performance Assessment

Author:Bruno Pinho-Meneses  Alexis Amadon  

Session Type:Digital Poster  

Session Date:Wednesday, 19 May 2021  

Topic:Systems Engineering II  

Session Name:Nobody's Perfect: Hardware & Patient Corrections  

Program Number:3329  

Room Session:Concurrent 2  

Institution:Université Paris-Saclay, CEA, CNRS, BAOBAB, NeuroSpin  

Studies of the static field homogeneity artefacts induced by the diamagnetism of HTS coils and solution to avoid them

Author:Aimé Labbé  Rose-Marie Dubuisson  Jean-Christophe Ginefri  Cornelis van des Beek  Luc Darrasse  Marie Poirier-Quinot  

Session Type:Digital Poster  

Session Date:Wednesday, 19 May 2021  

Topic:Systems Engineering II  

Session Name:Nobody's Perfect: Hardware & Patient Corrections  

Program Number:3336  

Room Session:Concurrent 2  

Institution:Université Paris-Saclay, CEA, CNRS, Inserm, BioMaps  Université Paris-Saclay, CNRS Center for Nanoscience and Nanotechnology  

A universal framework to build digital reference objects for evaluation of quantitative MRI analysis with multiple measurements

Author:Henry Chen  Brian Taylor  Joshua Yung  Ping Hou  R. Stafford  Ho-Ling Liu  

Session Type:Digital Poster  

Session Date:Wednesday, 19 May 2021  

Topic:Systems Engineering II  

Session Name:Nobody's Perfect: Hardware & Patient Corrections  

Program Number:3340  

Room Session:Concurrent 2  

Institution:MD Anderson Cancer Center  

Using gradient-readout, fast spectroscopic imaging and a 3D multi-echo GRE acquisition for scanner Quality Assurance (QA)

Author:Claudiu Schirda  

Session Type:Digital Poster  

Session Date:Wednesday, 19 May 2021  

Topic:Systems Engineering II  

Session Name:Nobody's Perfect: Hardware & Patient Corrections  

Program Number:3343  

Room Session:Concurrent 2  

Institution:University of Pittsburgh School of Medicine