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Apparatus for coded aperture X-ray scatter imaging and method therefor

  • US 9,335,281 B2
  • Filed: 10/04/2012
  • Issued: 05/10/2016
  • Est. Priority Date: 10/07/2011
  • Status: Active Grant
First Claim
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1. A system for providing an image of a region of an object, the region including a plurality of object elements, and the region defining a longitudinal axis, the system comprising:

  • a source of radiation operable for interrogating the object with a first radiation signal having energy within an energy passband that ranges from approximately 30 keV to approximately 69.5 keV;

    a coded aperture operable for modulating a second radiation signal received from the object, the second radiation signal being based on the first radiation signal;

    a detector comprising a two-dimensional arrangement of pixels, the detector operable for detecting a modulated image based on the modulated second signal; and

    a processor operable for computing an estimate of the composition of the region based on the modulated image and a longitudinal forward model of the system.

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