Traffic information processing system, server device, traffic information processing method, and program

摘要

A traffic information processing system includes on-board unit configured to be installed in a vehicle, an on-board unit-equipped vehicle number-detecting unit configured to detect the number of vehicles equipped with on-board unit entering a sample area based on information received from the on-board unit, a total vehicle number-detecting unit configured to detect the number of all vehicles entering the sample area, a vehicle ratio operation unit configured to calculate a value related to a ratio based on the number of vehicles equipped with the on-board unit detected by the on-board unit-equipped vehicle number-detecting unit and the number of all vehicles detected by the total vehicle number-detecting unit, and a total vehicle number-estimating operation unit configured to calculate a total number of vehicles in the zone.

主权项

1. A traffic information processing system, comprising:
an on-board detecting device configured to be installed in a vehicle; and a server device configured to communicate with the on-board detecting device and configured to perform functions of: counting the number of vehicles equipped with the on-board detecting device entering a sample area, which is part of a plurality of zones divided from a place in which vehicles equipped with the on-board detecting device and vehicles not equipped with the on-board detecting device travel, based on information received from the on-board detecting device; counting the total number of vehicles entering the sample area, the total number of vehicles entering the sample area including vehicles equipped with the on-board detecting device and vehicles not equipped with the on-board detecting device; calculating a ratio of the number of vehicles equipped with the on-board detecting device with respect to the total numbers of vehicles in the sample area, based on the number of vehicles equipped with the on-board detecting device entering the sample area and the total number of vehicles entering the sample area; and calculating a total number of vehicles including vehicles equipped with the on-board detecting device and vehicles not equipped with the on-board detecting device in the zone based on the number of vehicles equipped with the on-board detecting device entering the zone and the ratio of the number of vehicles equipped with the on-board detecting device in the sample area, wherein the on-board detecting device reports traffic information according to the total number of vehicles in the zone.