PROBLEM TO BE SOLVED: To provide a radiation imaging apparatus and a radiation imaging system, capable of detecting radiation with high accuracy.SOLUTION: A radiation imaging apparatus includes: a detection part (101) in which conversion elements for converting radiation into an electronic signal are arranged in a matrix radiation detection means (120) for detecting an irradiation state of the radiation a driving circuit (102) for driving the detection part in accordance with an irradiation state detected by the radiation detection means and photography kind setting means (126) for setting a kind of photography. The radiation detection means changes a radiation detection capability in accordance with the kind of photography set by the photography kind setting means.COPYRIGHT: (C)2014,JPO&INPIT【課題】高精度で放射線検知が可能な放射線撮像装置及び放射線撮像システムを提供することを課題とする。【解決手段】放射線撮像装置は、放射線を電気信号に変換する変換素子が行列状に配置された検出部(101)と、放射線の照射状態を検知する放射線検知手段(120)と、前記放射線検知手段により検知された照射状態に応じて、前記検出部を駆動する駆動回路(102)と、撮影種類を設定する撮影種類設定手段(126)とを有し、前記放射線検知手段は、前記撮影種類設定手段により設定された撮影種類に応じて、放射線の検知能力を変更することを特徴とする。【選択図】図1
