To provide a road change detection system capable of accurately detecting a road change by comprehensively evaluating a traffic state to be changed by various external factors.SOLUTION: A road change detection system comprises: an acquisition section for acquiring, with time, probe information of vehicles, including at least position information related to positions of the vehicles traveling on a road and time information related to times when the vehicles acquire the position information; a classification section for allowing characteristics of a travel speed in a predetermined area on the road concerning each one of the plurality of vehicles to be classified into a plurality of classes with the use of the plurality of pieces of probe information acquired by the acquisition section; and a detection section for detecting presence/absence of a road change in a predetermined area when the plurality of classes are classified with a date as reference.SELECTED DRAWING: Figure 1

    【課題】様々な外部要因により変動する交通状態を総合的に評価して、道路変化を精度よく検出することができる道路変化検出システムを提供する。【解決手段】道路変化検出システムは、道路上を走行する車両の位置に関する位置情報と、当該車両が位置情報を取得した時の時刻に関する時刻情報と、を少なくとも含む車両のプローブ情報を経時的に取得する取得部と、取得部が取得した複数のプローブ情報を用いて、複数の車両それぞれについての道路上の所定領域における走行速度の特性を複数のクラスに分類する分類部と、複数のクラスが、日付を基準として分類されている場合に、所定領域における道路変化の有無を検出する検出部と、を備えている。【選択図】図1


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    Title :

    ROAD CHANGE DETECTION SYSTEM, ROAD CHANGE DETECTION METHOD, ROAD CHANGE DETECTION PROGRAM, AND STORAGE MEDIUM


    Additional title:

    道路変化検出システム、道路変化検出方法、道路変化検出プログラム、および記憶媒体


    Contributors:

    Publication date :

    2021-09-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / G09B Unterrichts- oder Vorführungsgeräte , EDUCATIONAL OR DEMONSTRATION APPLIANCES



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