PROBLEM TO BE SOLVED: To estimate scattered radiation with high precision.SOLUTION: A radiographic apparatus according to the invention includes: image acquiring means for acquiring a plurality of radiographic images of a subject, on the basis of detection data on radiation emitted to the subject at a plurality of rotational angles with radiation generating means and radiation detecting means rotating around the subject； first scattered radiation estimating means for estimating a first scattered radiation distribution in a first radiographic image among the radiographic images； and second scattered radiation estimating means for estimating a second scattered radiation distribution in a second radiographic image different from the first radiographic image on the basis of the first scattered radiation distribution.SELECTED DRAWING: Figure 1【課題】高い精度で散乱線を推定することができる。【解決手段】本発明に係る放射線撮影装置は、放射線発生手段及び放射線検出手段を被検体の周囲で回転させることにより複数の回転角度から前記被検体に照射された前記放射線の検出データに基づいて、前記被検体の複数の放射線画像を取得する画像取得手段と、前記複数の放射線画像における第１の放射線画像の第１の散乱線分布を推定する第１の散乱線推定手段と、前記第１の散乱線分布を用いて、前記第１の放射線画像と異なる第２の放射線画像の第２の散乱線分布を推定する第２の散乱線推定手段とを備える。【選択図】 図１
