Estimation of k-space trajectories in spiral MRI.

  title={Estimation of k-space trajectories in spiral MRI.},
  author={Hao Tan and Craig H. Meyer},
  journal={Magnetic resonance in medicine},
  volume={61 6},
For non-Cartesian data acquisition in MRI, k-space trajectory infidelity due to eddy current effects and other hardware imperfections will blur and distort the reconstructed images. Even with the shielded gradients and eddy current compensation techniques of current scanners, the deviation between the actual k-space trajectory and the requested trajectory remains a major reason for image artifacts in non-Cartesian MRI. It is often not practical to measure the k-space trajectory for each imaging… CONTINUE READING

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