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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

Bloch-Siegert |B1+|-Selective Excitation Pulses

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

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

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

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

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

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

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

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

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

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