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Absolute Phase of Radio-frequency Transmit Field B1+ for a Dual Transmit Coil System

Author:Jinghua Wang  Yu Ding  Christopher Sica  Qing Yang  

Institution:Penn State University  United Imaging Healthcare America, Inc  University of Cincinnati  

Session Type:Digital Poster  

Session Date:Thursday, 16 May 2019  

Session Time:08:15  

Session Name:System Imperfections  

Program Number:4505  

Presentation Time:08:15   

Room Number:Exhibition Hall  

Computer Number:Computer 133  

Coil-induced phase removal during gradient delay estimation

Author:Chao Wang  Gaojie Zhu  Hai Luo  Bei Lv  Xiang Zhou  Ziyue Wu  

Institution:Alltech medical system  

Session Type:Digital Poster  

Session Date:Thursday, 16 May 2019  

Session Time:08:15  

Session Name:System Imperfections  

Program Number:4508  

Presentation Time:08:15   

Room Number:Exhibition Hall  

Computer Number:Computer 136  

Correcting breast MRI with a generic B-1(+) template for T-1 map calculation

Author:Lieke van den Wildenberg  Erwin Krikken  Jannie Wijnen  Josien Pluim  Dennis Klomp  Michael van Rijssel  

Institution:Eindhoven University of Technology  Eindhoven University of Technology  UMC Utrecht  

Session Type:Digital Poster  

Session Date:Thursday, 16 May 2019  

Session Time:08:15  

Session Name:System Imperfections  

Program Number:4499  

Presentation Time:08:15   

Room Number:Exhibition Hall  

Computer Number:Computer 127  

Correction for Geometric Distortion in Bipolar Gradient Echo Images from B0 Field Variations

Author:Korbinian Eckstein  Siegfried Trattnig  Simon Robinson  

Institution:Medical University of Vienna  

Session Type:Digital Poster  

Session Date:Thursday, 16 May 2019  

Session Time:08:15  

Session Name:System Imperfections  

Program Number:4510  

Presentation Time:08:15   

Room Number:Exhibition Hall  

Computer Number:Computer 138  

Cross-vendor spiral gradient calibration using TOPPE and Pulseq

Author:Jon-Fredrik Nielsen  Douglas Noll  Sairam Geethanath  

Institution:Columbia University  University of Michigan  

Session Type:Digital Poster  

Session Date:Thursday, 16 May 2019  

Session Time:08:15  

Session Name:System Imperfections  

Program Number:4512  

Presentation Time:08:15   

Room Number:Exhibition Hall  

Computer Number:Computer 140  

Dynamic Decoupling for Simultaneous Transmission and Acquisition in MRI

Author:Bilal Tasdelen  Alireza Sadeghi-Tarakameh  Ugur Yilmaz  Ergin Atalar  

Institution:Bilkent University  National Magnetic Resonance Research Center (UMRAM)  

Session Type:Digital Poster  

Session Date:Thursday, 16 May 2019  

Session Time:08:15  

Session Name:System Imperfections  

Program Number:4503  

Presentation Time:08:15   

Room Number:Exhibition Hall  

Computer Number:Computer 131  

Evaluation of the Uniform Combined Reconstruction (UNICORN) Algorithm for Improving 7T Knee MRI Uniformity

Author:Venkata Veerendranadh Chebrolu  Peter Kollasch  Vibhas Deshpande  John Grinstead  Benjamin Howe  Matthew Frick  Andrew Fagan  Thomas Benner  Robin Heidemann  Joel Felmlee  Kimberly Amrami  

Institution:Mayo Clinic  Mayo Clinic  Siemens Healthineers  

Session Type:Digital Poster  

Session Date:Thursday, 16 May 2019  

Session Time:08:15  

Session Name:System Imperfections  

Program Number:4506  

Presentation Time:08:15   

Room Number:Exhibition Hall  

Computer Number:Computer 134  

Imaging Beyond the Homogeneous Radius in Clinical Magnets

Author:Nadine Dispenza  Yanitza Rodriguez  Robert Constable  Gigi Galiana  

Institution:Yale University  

Session Type:Digital Poster  

Session Date:Thursday, 16 May 2019  

Session Time:08:15  

Session Name:System Imperfections  

Program Number:4517  

Presentation Time:08:15   

Room Number:Exhibition Hall  

Computer Number:Computer 145  

Investigation of the Cost Function for Joint Estimation of Object and B0

Author:Franz Patzig  Bertram Wilm  Klaas Pruessmann  

Institution:University of Zurich and ETH Zurich  University of Zurich and ETH Zurich  

Session Type:Digital Poster  

Session Date:Thursday, 16 May 2019  

Session Time:08:15  

Session Name:System Imperfections  

Program Number:4507  

Presentation Time:08:15   

Room Number:Exhibition Hall  

Computer Number:Computer 135  

Magnetic field estimation with ultrashort echo time (UTE) imaging.

Minimal Linear Networks for MR Image Reconstruction

Author:Gilad Liberman  Benedikt Poser  

Institution:Maastricht University  

Session Type:Digital Poster  

Session Date:Thursday, 16 May 2019  

Session Time:08:15  

Session Name:System Imperfections  

Program Number:4498  

Presentation Time:08:15   

Room Number:Exhibition Hall  

Computer Number:Computer 126  

On the impact of slice profile and thickness definition across vendors in 2D bSSFP on SNR and T1-mapping in cardiac MRI

Author:Jouke Smink  Guillaume Gilbert  Marc Kouwenhoven  Johan van den Brink  

Institution:MR Clinical Excellence, Philips  MR Clinical Science, Philips  

Session Type:Digital Poster  

Session Date:Thursday, 16 May 2019  

Session Time:08:15  

Session Name:System Imperfections  

Program Number:4519  

Presentation Time:08:15   

Room Number:Exhibition Hall  

Computer Number:Computer 147  

Optimal Flip Angle Range for B1+ Mapping at 3T with Slice Profile Correction Using a Dual Angle EPI Sequence

Author:Gabriela Belsley  Damian Tyler  Matthew Robson  Elizabeth Tunnicliffe  

Institution:University of Oxford  Perspectum Diagnostics  

Session Type:Digital Poster  

Session Date:Thursday, 16 May 2019  

Session Time:08:15  

Session Name:System Imperfections  

Program Number:4501  

Presentation Time:08:15   

Room Number:Exhibition Hall  

Computer Number:Computer 129  

Regularization of Digitally Integrated, Inductive k-Space Trajectory Measures

Removing bias and increasing dynamic range in DREAM flip angle mapping at 7T

Author:Gunther Helms  Hampus Olsson  Mads Andersen  

Institution:Lund University  Lund University  Philips Healthcare  Philips Healthcare  

Session Type:Digital Poster  

Session Date:Thursday, 16 May 2019  

Session Time:08:15  

Session Name:System Imperfections  

Program Number:4500  

Presentation Time:08:15   

Room Number:Exhibition Hall  

Computer Number:Computer 128  

Restoring Rotation Invariance of Diffusion MRI Estimators in the Presence of Missing or Corrupted Measurements

Author:Hans Knutsson  Evren Özarslan  Filip Szczepankiewicz  Carl-Fredrik Westin  

Institution:Brigham and Women's Hospital, Harvard Medical School  Linkoping University  

Session Type:Digital Poster  

Session Date:Thursday, 16 May 2019  

Session Time:08:15  

Session Name:System Imperfections  

Program Number:4521  

Presentation Time:08:15   

Room Number:Exhibition Hall  

Computer Number:Computer 149  

Retrospective 3D spiral trajectory correction: Exponential decay model vs. GIRF

Author:Tobias Speidel  Anja Schwarz  Kilian Stumpf  Volker Rasche  

Institution:Ulm University Medical Center  Ulm University Medical Center  Ulm University  Ulm University Medical Center  Ulm University Medical Center  

Session Type:Digital Poster  

Session Date:Thursday, 16 May 2019  

Session Time:08:15  

Session Name:System Imperfections  

Program Number:4515  

Presentation Time:08:15   

Room Number:Exhibition Hall  

Computer Number:Computer 143  

Retrospective gradient delay correction in multi-shot multi-echo rosette acquisition

Author:Alexey Dimov  Nanyque Boyd  Keigo Kawaji  Timothy Carroll  

Institution:Illinois Institute of Technology  University of Chicago  

Session Type:Digital Poster  

Session Date:Thursday, 16 May 2019  

Session Time:08:15  

Session Name:System Imperfections  

Program Number:4516  

Presentation Time:08:15   

Room Number:Exhibition Hall  

Computer Number:Computer 144  

Retrospective transmission field (B1+) and sensitivity profile (B1-) correction for transceive surface RF coils: an empirical solution for RARE

Routine B0 eddy current measurements with TOPPE for more robust spiral imaging

Author:Jon-Fredrik Nielsen  Gopal Nataraj  Jeffrey Fessler  Douglas Noll  

Institution:Memorial Sloan Kettering Cancer Center  University of Michigan  

Session Type:Digital Poster  

Session Date:Thursday, 16 May 2019  

Session Time:08:15  

Session Name:System Imperfections  

Program Number:4511  

Presentation Time:08:15   

Room Number:Exhibition Hall  

Computer Number:Computer 139  

Simple and effective trajectory estimation for image reconstruction of accelerated k-space acquisition on non-rectangular periodic trajectories

Author:Kazi Rafiqul Islam  Jingxin Zhang  

Institution:Swinburne University of Technology  

Session Type:Digital Poster  

Session Date:Thursday, 16 May 2019  

Session Time:08:15  

Session Name:System Imperfections  

Program Number:4504  

Presentation Time:08:15   

Room Number:Exhibition Hall  

Computer Number:Computer 132