Image Artifacts and Correction

Hall 4/5     10:30 - 12:30         Chairs: Michael H. Buonocore and Claudia Hillenbrand


Prog #

10:30 978.

A New Acquisition Strategy for Improved Signal Recovery and Artifact Suppression in Regions of

Susceptibility Induced Field Gradients: Triple Spiral with Asymmetric Spin-Echo

Kimberly D. Brewer1, 2, James A. Rioux2, Chris V. Bowen, 12, Steven D. Beyea, 12

1Dalhousie University, Halifax, Nova Scotia, Canada; 2National Research Council of Canada, Halifax, Nova Scotia, Canada


10:42 979.

Self-Calibrated Multi-Echo Sequences: Use of Conjugate Gradient Method with Radial

Trajectories to Remove Phase Cancellation

Youngkyoo Jung1, Walter F. Block1, Alexey Samsonov1

1University of Wisconsin-Madison, Madison, Wisconsin, USA


10:54 980.

A Simple Noniterative Principal Component Technique for Rapid Noise Reduction in Parallel MR Images

Anand S. Patel1, Philip M. Robson1, Charles A. McKenzie1, Daniel K. Sodickson2

1Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, USA; 2New York University Medical Center, New York, New York, USA


11:06 981.

K-Space Trajectory Estimation in Spiral Imaging

Hao Tan1, Craig H. Meyer1

1University of Virginia, Charlottesville, Virginia, USA


11:18 982.

External Diamagnetic and Paramagnetic Passive Shimming of the Human Brain

Kevin M. Koch1, Peter B. Brown1, Douglas L. Rothman1, Robin A. de Graaf1

1Yale University, New Haven, Connecticut, USA

11:30 983.

PLACE + SPHERE: A Robust Approach for Correction of Susceptibility Artifacts in EPI

Udomchai Techavipoo1, Song Lai1, Ivan Dimitrov2, John Lackey1, Jianrong Shi1, Xin Guan, 13

1Thomas Jefferson University, Philadelphia, Pennsylvania, USA; 2Philips Medical Systems, Best, Netherlands; 3Stony Brook University, Stony Brook, New York, USA

11:42 984.

Simultaneous Estimation and Correction of Main Field Inhomogeneity

Julien Sénégas1, Tobias Knopp2, Holger Eggers1

1Philips Research Europe, Hamburg, Germany; 2University Luebeck, Luebeck, Germany

11:54 985.

Real-Time Prospective Shim Correction Using Self-Referencing Navigators

Daniel Nico Splitthoff1, Frederik Testud1, Jürgen Hennig1, Oliver Speck2, Maxim Zaitsev1

1University Hospital Freiburg, Freiburg, Germany; 2Otto-von-Guericke University, Magdeburg, Germany


12:06 986.

Nonlinear Image Registration with Voxel Adaptive Regularization to Correct for EPI-Induced Geometric Distortions

Guozhi Tao1, Renjie He1, Aziz Hatim Poonawalla1, Ponnada A. Narayana1

1University of Texas-Health and Science Center at Houston, Houston, Texas, USA


12:18 987.

Consistency Based Ghost Busting (CBGB)

David J. Larkman1, Rita G. Nunes1, Jo V. Hajnal1

1Hammersmith Hospital, Imperial College London, London, UK