TOMOGRAPHIC IMAGE OBTAINMENT APPARATUS AND METHOD

  • US 20080101537A1
  • Filed: 10/26/2007
  • Published: 05/01/2008
  • Est. Priority Date: 10/26/2006
  • Status: Active Grant
First Claim
Patent Images

1. A tomographic image obtainment apparatus, wherein a tomographic image is reconstructed from a plurality of radiographic images obtained by irradiating a subject with radiation from various directions, the apparatus comprising:

  • a radiation image detector for obtaining radiographic images of the subject;

    a radiation irradiation unit placed so as to face the radiation image detector, the radiation irradiation unit moving to a plurality of positions and irradiating, at the plurality of positions, the subject placed on the radiation image detector with radiation from various directions;

    an overlap-degree obtainment means for obtaining the degree of overlap of anatomical structures of the subject; and

    an exposure condition setting means for setting, based on the degree of overlap obtained by the overlap-degree obtainment means, a condition of exposure by the radiation irradiation unit at the plurality of positions to obtain the plurality of radiographic images.

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