To provide a vehicle monitoring device, a vehicle monitoring method and a vehicle monitoring program which are suitable for effectively recording video of a rear vehicle.SOLUTION: A vehicle monitoring device 11 comprises: a recording unit 101 including an overwritable first recording region and an overwrite-protected second recording region; a vehicle speed information acquisition unit 102 that acquires information on a vehicle speed S1 of an own vehicle 10; an inter-vehicle distance calculation unit 103 that calculates an inter-vehicle distance between the own vehicle 10 and a rear vehicle TG; a determination unit 104 that determines whether or not an accumulation value T_sum per accumulation measurement period T_period of a period in which the inter-vehicle distance d is shorter than an emergency stop available distance d_es determined on the basis of the vehicle speed S1 has reached a threshold value; and a control unit 105 that makes video of the rear vehicle TG captured by an imaging unit 12 be recorded in the second recording region of the storage unit 101 when it is determined by the determination unit 104 that the accumulation value T_sum per accumulation measurement period T_period has reached a threshold value T_LIMIT.SELECTED DRAWING: Figure 1
【課題】後方車両の映像を効果的に記録するのに適した車両監視装置、車両監視方法および車両監視プログラムを提供すること。【解決手段】車両監視装置11は、上書き可能な第1記録領域及び上書き禁止の第2記録領域を有する記録部101と、自車両10の車速S1の情報を取得する車速情報取得部102と、自車両10と後方車両TGとの車間距離dを算出する車間距離算出部103と、車速S1に基づいて決定される緊急停止可能距離d_esよりも車間距離dが短くなる期間の、累積計測期間T_period当たりの累積値T_sumが、閾値に達したか否かを判定する判定部104と、判定部104によって累積計測期間T_period当たりの累積値T_sumが閾値T_LIMITに達していると判定された場合、撮像部12によって撮影された後方車両TGの映像を、記録部101の第2記録領域に記録させる制御部105と、を備える。【選択図】図1
VEHICLE MONITORING DEVICE, VEHICLE MONITORING METHOD, AND VEHICLE MONITORING PROGRAM
車両監視装置、車両監視方法および車両監視プログラム
04.03.2021
Patent
Elektronische Ressource
Japanisch
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