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Method of magnetic resonance reconstruction imaging from projections using partial data collected in k-space

  • US 5,243,284 A
  • Filed: 07/24/1991
  • Issued: 09/07/1993
  • Est. Priority Date: 07/24/1991
  • Status: Expired due to Term
First Claim
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1. In magnetic resonance imaging of one object based on projection reconstruction, a method of obtaining data for k-space trajectories comprising the steps ofa) establishing a set of radial k-space trajectories all originating at the center k-space for use in projection reconstruction of an image of said object, each trajectory having a low frequency part and a high frequency part,b) sequentially exciting said object and detecting data samples along less than all of said set of radial k-space trajectories, andc) obtaining data samples for low frequency parts of unsampled trajectories based on interpolation of detected data samples of low frequency parts of adjacent sampled trajectories.

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