Patent ID: 7042976

Claim:
A radiographic imaging apparatus comprising: A radiographic imaging apparatus comprising: an X-ray generator for emitting X-rays at a fan angle; a rotary table for rotating a subject such that the subject is exposed to the X-rays emitted by the X-ray generator; a two-dimensional detector for converting the X-rays that have passed through the subject into projection data; a heart beat period determiner for determining a heart beat period and a static period of the subject; and an image-reconstructing unit for reconstructing a three-dimensional image from projected data acquired during the static period, wherein the fan angle and n are determined so as to satisfy Q/T ≧(180+nφ)/360 where Q is the static period, T is the heart beat period, φ is the fan angle, n is an odd number, and nT is the duration of one rotation of the rotary table.