Patent ID: 9592023
Date: 2017-03-14
CPC Classifications: A61B,G06T,H05G

Claim:
1. An X-ray CT apparatus, comprising: an X-ray source that includes an X-ray tube and emits X-rays to an object; an X-ray detector that detects transmitted X-rays that have been emitted from the X-ray source and transmitted through the object; a rotation mechanism in which the X-ray source and the X-ray detector are mounted and which rotates around the object; a system controller to control the X-ray CT apparatus and including: an image reconstruction device controlled by the image reconstruction control unit of the system controller to reconstruct the tomographic image of the object, in accordance with the selected successive approximation process condition and the received input of the reconstruction condition, from an amount of transmitted X-rays detected by the X-ray detector after being emitted from the X-ray source to the object in accordance with the calculated tube current value of the X-ray tube and being transmitted through the object.