To provide a road surface condition estimation device and road surface condition estimation method, which enable highly accurate estimation of the road surface condition.SOLUTION: A road surface condition estimation device (10) is provided, comprising: an acquisition unit (131) configured to acquire a machine learning model generated using learning data employing the road surface condition as an objective variable and parameters including at least road surface condition non-uniformity and road surface temperature of a road as explanatory variables; and an estimation unit (133) configured to estimate the road surface condition using the machine learning model. An adjacency matrix representing a road network may be used for the road surface condition non-uniformity of the road.SELECTED DRAWING: Figure 1

    【課題】路面状態を高精度に推定可能な路面状態推定装置及び路面状態推定方法が提供される。【解決手段】路面状態推定装置(10)は、路面状態を目的変数とし、少なくとも道路の路面状態非均一性及び路面温度を含むパラメータを説明変数とする学習データを用いて生成された機械学習モデルを取得する取得部(131)と、機械学習モデルを用いて路面状態を推定する推定部(133)と、を備える。道路の路面状態非均一性は、道路ネットワークを表す隣接行列が用いられてよい。【選択図】図1


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    Title :

    ROAD SURFACE CONDITION ESTIMATION DEVICE AND ROAD SURFACE CONDITION ESTIMATION METHOD


    Additional title:

    路面状態推定装置及び路面状態推定方法


    Contributors:
    ISHII KEITA (author) / MASAGO GO (author) / ISHIZUKI MASAMU (author)

    Publication date :

    2024-11-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G01W METEOROLOGY , Meteorologie / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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