Reduced spatial side lobes in chemical-shift imaging.

@article{Adalsteinsson1999ReducedSS,
  title={Reduced spatial side lobes in chemical-shift imaging.},
  author={Elfar Adalsteinsson and Josh Star-Lack and Craig H. Meyer and Daniel Mark Spielman},
  journal={Magnetic resonance in medicine},
  year={1999},
  volume={42 2},
  pages={
          314-23
        }
}
Density-weighted k-space sampling with spiral trajectories is used to reduce spatial side lobes in chemical-shift imaging (CSI). In this method, more time is spent collecting data at the center of k space and less time at the edges of k space in order to make the sampling density proportional to a given apodization function, subject to constraints imposed by gradient performance and Nyquist sampling. The efficient k-space coverage of spiral-based trajectories enables good control over the… CONTINUE READING
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