PROBLEM TO BE SOLVED: To provide a radiographic system and a radiographic method capable of improving the image quality of a long-sized image containing defective regions due to structures of radiation detectors.SOLUTION: The present invention relates to a radiographic system comprising: plural radiation detectors 120, 122, 124 for detecting radiation； and a synthetic processing unit for generating a long-sized image by synthesizing plural radiation images captured from the plural radiation detectors which are partially overlapped with each other, the radiographic system further comprising a masking unit for masking the structures of the radiation detectors in detective regions of the long-sized image caused by the radiation detectors being overlapped with each other.SELECTED DRAWING: Figure 1【課題】放射線検出装置の構造物に起因する欠陥領域を含んだ長尺画像の画質を向上させる放射線撮影システム及び放射線撮影方法を提供する。【解決手段】放射線を検出する複数の放射線検出装置１２０、１２２、１２４と、放射線検出装置の一部を重ねて配置される複数の放射線検出装置から取得される複数の放射線画像を合成して長尺画像を生成する合成処理部とを有した放射線撮影システムにおいて、放射線検出装置が重ねて配置されることによって生じる長尺画像の欠陥領域における放射線検出装置の構造物に対してマスク処理を行うマスク処理部を備える。【選択図】図１
