PROBLEM TO BE SOLVED: To provide a mechanism that can inhibit image irregularity occurring in each exposure unit to obtain a radiographic image of high image quality.SOLUTION: A radiographic apparatus comprises: a radiation detection unit 120 including an effective pixel region 121 comprising a plurality of exposure units 1211, each of which exposure units 1211 has an imaging pixel 12111 for detecting radiation and an OB pixel 12112 for shielding radiation; and a correction unit which corrects, for each of the exposure units 1211, an output signal of the imaging pixel 12111 provided in the exposure unit 1211 with an output signal of the OB pixel 12112 provided in the exposure unit 1211.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2020,JPO&INPIT【課題】各露光単位において生じる画像ムラを抑制して高画質の放射線画像を取得できる仕組みを提供する。【解決手段】複数の露光単位1211で構成された領域であって、露光単位1211ごとに放射線を検出する撮像画素12111と放射線を遮蔽するOB画素12112とが設けられた有効画素領域121を有する放射線検出部120と、露光単位1211ごとに、当該露光単位1211に設けられた撮像画素12111の出力信号を、当該露光単位1211に設けられたOB画素12112の出力信号を用いて補正する補正部を備える。【選択図】図2