X-ray computed tomography apparatus, medical image processing apparatus, and medical image processing method
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United States of America Patent
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Nov 8, 2016
Grant Date -
Aug 7, 2014
app pub date -
Apr 11, 2014
filing date -
Oct 14, 2011
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Abstract
An X-ray computed tomography apparatus includes an X-ray tube, an X-ray detector, a volume data reconstruction unit, a lung field region specifying unit, a discrimination unit, an image generation unit, and a display unit. The volume data reconstruction unit reconstructs first volume data of a chest region of an object based on an output from the X-ray detector. The lung field region specifying unit specifies a lung field region of the object in the first volume data. The discrimination unit generates second volume data in which a low CT value region is discriminated from a region other than the low CT value region in the lung field region. The image generation unit generates an image representing a two-dimensional distribution concerning an existing ratio of the low CT value region to the lung field region based on the second volume data.
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