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 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 the on-board unit entering a sample area, which is a part of a plurality of zones divided from a place in which vehicles equipped with the on-board unit and vehicles not equipped with the on-board unit travel, 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 which is 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 based on the number of vehicles equipped with the on-board unit entering the zone and the value related to the ratio calculated by the vehicle ratio operation unit.