PROBLEM TO BE SOLVED: To provide a radiographic apparatus capable of performing tomosynthesis imaging based on information on a geometric relation between a radiation generation part and a radiation detection part.SOLUTION: A radiographic apparatus including a radiation generation part 2 and a radiation detection part 3 for performing tomosynthesis imaging based on information on a geometric relation between the radiation generation part 2 and the radiation detection part 3 includes: calibration parts 13 and 25 for calibrating the information on a geometric relation between the radiation generation part 2 and the radiation detection part 3； a detection part for detecting the installation of the calibration parts 13 and 25； and a control part 42 for performing the tomosynthesis imaging when the installation of the calibration parts 13 and 25 is detected by the detection part.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】 放射線発生部と放射線検出部の幾何関係情報に基づいてトモシンセシス撮影を行うことができる放射線撮影装置を提供する。【解決手段】 放射線発生部２と放射線検出部３とを備え、放射線発生部２と放射線検出部３の幾何関係情報に基づいてトモシンセシス撮影を行う放射線撮影装置において、放射線発生部２と放射線検出部３の幾何関係情報を校正するための校正部１３，２５と、校正部１３，２５の設置を検知する検知部と、検知部１３により校正部１３，２５の設置が検知された場合にトモシンセシス撮影を行う制御部４２とを備える。【選択図】 図１
