PROBLEM TO BE SOLVED: To appropriately set detection sensitivity of a radiation detector by adjusting detection sensitivity according the arrangement of the radiation detector or imaging region information.SOLUTION: A radiation imaging apparatus includes detection means for detecting radiation and outputting radiation data, arrangement setting means for setting the arrangement of the detection means, sensitivity setting means for setting the sensitivity of the detection means based on the arrangement of the detection means, and determination means for determining the presence and absence of the irradiation of the radiation in the detection means based on the sensitivity of the detection means.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】 本発明によれば、放射線検出器の配置又は撮像部位情報に応じて検知感度を調整することで、放射線検出器の検知感度を適切に設定することができる。【解決手段】 本発明に係る放射線撮像装置は、放射線を検出して放射線データを出力する検出手段と、前記検出手段の配置を設定する配置設定手段と、前記検出手段の配置に基づいて、前記検出手段の感度を設定する感度設定手段と、前記検出手段の感度に基づいて、前記検出手段における前記放射線の照射の有無を判定する判定手段と、を備える。【選択図】 図1
