PROBLEM TO BE SOLVED: To provide a driver state determination device capable of accurately and stably determining an abnormal state of a driver.SOLUTION: The driver state determination device comprises: a far-infrared camera 11 for photographing a far-infrared image which is a face image of the driver of a vehicle and indicates temperature distribution of a face surface of the driver； and state determination means 47 for determining the abnormal state of the driver on the basis of the far-infrared image photographed by the far-infrared camera 11 in a predetermined period.SELECTED DRAWING: Figure 1【課題】高精度に安定してドライバの異常状態を判定できるドライバ状態判定装置を提供する。【解決手段】車両のドライバの顔画像であって、ドライバの顔表面の温度分布を表す遠赤外画像を撮影する遠赤外カメラ１１と、遠赤外カメラ１１により所定期間に撮影された前遠赤外画像に基づいて、ドライバの異常状態を判定する状態判定手段４７と、を備える。【選択図】 図１
