To reduce false detection of vehicles due to separated detection and improve the accuracy of observing traffic conditions.SOLUTION: Vehicle detection data including a position and speed of a vehicle traveling on a road is processed, and two vehicles traveling side by side in the same direction are extracted. It is determined whether or not these two vehicles are actually one vehicle that was falsely detected as two different vehicles based on the speed and an inter-vehicle distance of the extracted two vehicles. The determination results in setting an inter-vehicle distance determination value as a function of the speed of the extracted vehicles, and two vehicles are determined to be the one vehicle that was falsely detected as the two different vehicles when the inter-vehicle distance between the extracted two vehicles is shorter than the inter-vehicle distance determination value.SELECTED DRAWING: Figure 3
【課題】検知割れによる車両の誤検知を抑制し、交通状況の観測精度を向上させる。【解決手段】走行路を走行した車両の位置、および速度を含む車両検知データを処理し、走行方向に連続して並んでいた2台の車両を抽出する。ここで抽出した2台の車両の速度、および車間距離を用いて、これら2台の車両が検知割れ車両であるかどうかを判定する。この判定において、抽出した車両の速度に応じて車間距離判定値を設定し、抽出した2台の車両の車間距離が車間距離判定値よりも短ければ、この2台の車両を検知割れした1台の車両であると判定する。【選択図】図3
TRAFFIC CONDITION OBSERVATION DEVICE, TRAFFIC CONDITION OBSERVATION METHOD, AND TRAFFIC CONDITION OBSERVATION PROGRAM
交通状況観測装置、交通状況観測方法、および交通状況観測プログラム
2021-07-01
Patent
Elektronische Ressource
Japanisch
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