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Diminishing variance process for real-time reduction of motion artifacts in MRI

  • US 5,427,101 A
  • Filed: 08/04/1994
  • Issued: 06/27/1995
  • Est. Priority Date: 08/04/1994
  • Status: Expired due to Term
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1. A method for reducing motion artifacts in magnetic resonance images comprising the steps ofa) acquiring magnetic resonance image signals for multiple image frames,b) acquiring relative position data for each image frame,c) developing a histogram of positional shifts in frames based on said relative position data, andd) reacquiring magnetic resonance signals for selected image frames to reduce positional variance in said histogram.

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