异常车辆侦测装置、异常车辆侦测方法及程式;AN ABNORMAL VEHICLE DETECTING DEVICE, AN ABNORMAL VEHICLE DETECTION METHOD, AND AN ABNORMAL VEHICLE DETECTION PROGRAM

摘要

系具备有：交通状态值算出部(302)，系基于从被搭载于车辆上之车载器所取得的代表该车辆之位置以及行驶速度的车辆资讯，来算出代表在特定之对象时间带中的特定之对象区域内的交通状态之交通状态值；和异常车辆侦测部(304)，系基于交通状态值算出部(302)所算出的交通状态值、以及从各车辆之车载器所取得的车辆资讯，来将车辆资讯所展现的车辆之行驶状态作为在对象区域内行驶之车辆系有所异常的车辆侦测出来。; a traffic state value calculating unit which calculates the traffic state value indicating traffic conditions within a predetermined target area in a predetermined target time zone, based on the vehicle information indicating the position and traveling speed of the vehicle obtained from the on-board vehicle-mounted device on a vehicle; and an abnormal vehicle extraction unit which extracts abnormal vehicles based on the running condition in the vehicle information acquired from the vehicle-mounted device of the vehicle.