PROBLEM TO BE SOLVED: To provide a technology that is advantageous for further accurately obtaining energy of radiation quantum.SOLUTION: A radiation imaging system includes: a detector including a scintillator for converting radiation quantum into light and a plurality of photoelectric conversion elements and a processing part for obtaining energy of radiation quantum entering the detector on the basis of a correction signal value group that is acquired by correcting a signal value group so as to reduce an influence due to blinker noise in the signal value group constituted of a plurality of signal values that is provided from the detector.SELECTED DRAWING: Figure 8【課題】放射線量子のエネルギーをより正確に求めるために有利な技術を提供する。【解決手段】放射線撮像システムは、放射線量子を光に変換するシンチレータおよび複数の光電変換素子を含む検出器と、前記検出器から提供される複数の信号値からなる信号値群におけるブリンカーノイズによる影響が低減されるように前記信号値群を修正して得られる修正信号値群に基づいて、前記検出器に入射した放射線量子のエネルギーを求める処理部と、を備える。【選択図】図8
