To detect a vehicle as a dangerous operation vehicle, which turns right by crossing an opposing lane before a vehicle on the opposing lane enters an intersection immediately after a traffic light changes from red to green.SOLUTION: A change time acquisition section acquires a time when a traffic light arranged in an intersection changes from red to green. A vehicle detection section processes an image obtained by imaging the intersection, so as to detect a right-turn vehicle that has entered the intersection from an inflow link so as to turn right. A determination section determines whether the right-turn vehicle is a dangerous operation vehicle based on a first time difference between a time when the right-turn vehicle detected by the vehicle detection section has crossed an opposing lane and a time when the traffic signal with respect to the right-turn vehicle acquired by the change time acquisition section has changed from red to green.SELECTED DRAWING: Figure 3
【課題】信号機が赤信号から青信号に変化した直後に、交差点に進入してくる対向車線の車両よりも先に対向車線を横断して右折した車両を危険運転車両として検出する。【解決手段】変化時刻取得部が、交差点に設置されている信号機が、赤信号から青信号に変化した時刻を取得する。車両検出部が、交差点を撮像した画像を処理し、流入リンクから交差点に進入して右折した右折車両を検出する。判定部が、車両検出部によって検出された右折車両が対向車線を横断した時刻と、変化時刻取得部によって取得された右折車両に対する信号機が赤信号から青信号に変化した時刻と、の第1時間差に基づき、当該右折車両が危険運転車両であるかどうかを判定する。【選択図】図3
TRAFFIC MONITORING DEVICE, TRAFFIC MONITORING METHOD, AND TRAFFIC MONITORING PROGRAM
交通監視装置、交通監視方法、および交通監視プログラム
2021-09-09
Patent
Electronic Resource
Japanese
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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