An axle number measurement device (30) that measures the number of axles of a vehicle (40) traveling on a road (50) is provided with: a first communication unit (31) that acquires a captured image (P1) including tires of the vehicle (40); a detection unit (33) that detects the tire on the basis of the captured image (P1); a second communication unit (32) that acquires a distance image (P2) including a plurality of first distances from a predetermined position to the tire and a plurality of second distances from the predetermined position to a position outside the tire in the captured image (P1) and below the tire; and a measurement unit (34) that measures the number of axles supporting a tire in contact with the road (50) on the basis of the continuity of a plurality of first distances and a plurality of second distances arranged at positions from the tire to the outside of the tire.
车轴数计测装置(30)是计测在道路(50)上行驶的车辆(40)的车轴数的车轴数计测装置,具备:第1通信部(31),取得包含车辆(40)的轮胎的摄像图像(P1);检测部(33),根据摄像图像(P1)检测轮胎;第2通信部(32),取得距离图像(P2),该距离图像(P2)包含从规定的位置到轮胎的多个第1距离、以及从规定的位置到摄像图像(P1)中的该轮胎的外部的位置且该轮胎的下方的道路(50)的多个第2距离;以及计测部(34),基于在从轮胎到轮胎的外部为止的位置排列的多个第1距离和多个第2距离的连续性,计测支承与道路(50)接触的轮胎的车轴数。
Axle number measurement device, axle number measurement system, and axle number measurement method
车轴数计测装置、车轴数计测系统及车轴数计测方法
2022-03-01
Patent
Electronic Resource
Chinese
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