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Method and system of CT data correction

  • US 7,260,172 B2
  • Filed: 01/25/2007
  • Issued: 08/21/2007
  • Est. Priority Date: 11/24/2004
  • Status: Active Grant
First Claim
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1. A CT imaging system comprising:

  • a rotatable gantry having an opening therein to receive a subject to be scanned;

    an x-ray source disposed within the rotatable gantry and configured to project a fan beam of x-rays at the subject during CT data acquisition; and

    a computer programmed to;

    acquire CT data that includes at least normal data and saturated data from a subject;

    compare a profile of the normal data to an off-centered phantom;

    generate data from the off-centered phantom; and

    correct the saturated data using the generated data.

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