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METHOD FOR CIRCULAR SCAN RECONSTRUCTION IN COMPUTED TOMOGRAPHY AND COMPUTED TOMOGRAPHIC DEVICE

  • US 20110103662A1
  • Filed: 10/30/2009
  • Published: 05/05/2011
  • Est. Priority Date: 10/30/2009
  • Status: Active Grant
First Claim
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1. A computed-tomography method, comprising:

  • scanning an object with x-rays to obtain projection data reconstructing a first part of an image of the object where full scan data is available;

    reconstructing a second part of the image using half-scanning where full scan data is not available;

    reconstructing a third part of the image using data extrapolated from the full scan data;

    combining weighted sums of overlapping portions of the second and third parts; and

    obtaining the image using the first to third parts and the combined weighted sums.

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