To obtain relation between a vehicle travel direction and a face direction of a driver even on a curved road.SOLUTION: A driver state determination device (10) successively acquires a direction of a driver in a predetermined period, successively acquires a vehicle travel direction, repetitively calculates a correlation coefficient indicating a degree of correlation between the direction of the driver and the vehicle travel direction, repetitively calculates a difference between the direction of the driver and the vehicle travel direction as a correction value in the predetermined period, and determines whether a difference is to be calculated according to the correlation coefficient.SELECTED DRAWING: Figure 1
【課題】曲線路であっても車両の進行方向と運転者の顔向きとの関係を把握する。【解決手段】運転者状態判定装置(10)は、所定期間において、運転者の向きを順次取得し、車両の進行方向を順次取得し、運転者の向きと車両の進行方向との相関の度合を示す相関係数を繰り返し計算し、所定期間における、運転者の向きと車両の進行方向との差分を補正値として繰り返し計算し、相関係数に応じて、差分を計算するか否かを決定する。【選択図】図1
DRIVER STATE DETERMINATION DEVICE, DRIVER STATE DETERMINATION METHOD, AND PROGRAM
運転者状態判定装置、運転者状態判定方法、および、プログラム
2020-12-03
Patent
Electronic Resource
Japanese
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