X-ray CT apparatus
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United States of America Patent
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Oct 30, 2018
Grant Date -
May 5, 2016
app pub date -
Oct 29, 2015
filing date -
Oct 31, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
An X-ray computed tomography (CT) apparatus according to an embodiments includes collection circuitry, control circuitry and image generation circuitry. The collection circuitry collects a signal derived from X-rays emitted from an X-ray tube and transmitted through a subject. The control circuitry calculates a value of tube current to be supplied to the X-ray tube in a main scan, based on a first image acquired through a reconstruction process using the signal and a first filter, the signal being collected by the collection circuitry in a localizer scan. The image generation circuitry generates a second image as a localizer image through a reconstruction process using the signal and a second filter, the signal being collected by the collection circuitry in the localizer scan.
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