| 摘要 |
A radiographic imaging apparatus includes: a radiation source for applying radiation to a subject and at least one marker; a detecting unit for detecting the radiation transmitted through the subject; and an image obtaining unit for moving the radiation source relative to the detecting means, applying the radiation to the subject from a plurality of radiation source positions provided by the movement of the radiation source, and obtaining a plurality of images corresponding respectively to the radiation source positions. The apparatus further includes a radiation source position obtaining unit for obtaining positional information of each radiation source position of interest relative to a reference radiation source position among the radiation source positions based on at least one marker image contained in each of a reference image obtained with the reference radiation source position and an image of interest obtained with the radiation source position of interest.
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