To provide a technology capable of inexpensively and stably performing highly accurate abnormality detection.SOLUTION: A device comprises a learning processing unit 132 which performs learning using a plurality of items of one-hot expression index image data in a normal state, generated by converting each pixel of image data generated by imaging an overhead wire fitting, which is a detection target, in a normal state, and a data processing unit 131 which generates one-hot expression index image data by converting each pixel of image data generated by imaging the overhead wire fitting that is the detection target, and performs abnormality determination using the one-hot expression index image data. The data processing unit 131 performs the abnormality determination on the basis of a union set of an input image and an output image generated by a learning model that has been trained by the learning processing unit 132 from the input image, and a difference image between the input image and the output image.SELECTED DRAWING: Figure 2

    【課題】高精度な異常検出を安価に安定して行うことが可能な技術を提供すること。【解決手段】正常状態の検出対象である架線金具の撮影により生じた画像データの各画素を変換して生成された、複数の正常状態のワンホット表現インデックス画像データを用いて学習を行う学習処理部132と、検出対象である前記架線金具の撮影により生じた画像データの各画素を変換してワンホット表現インデックス画像データを生成し、前記ワンホット表現インデックス画像データを用いて異常判定を行うデータ処理部131と、を備え、前記データ処理部131では、入力画像と、この入力画像から前記学習処理部132で学習した学習モデルにより生成した出力画像と、の和集合と、前記入力画像と、前記出力画像と、の差分画像とに基づいて異常判定をする。【選択図】図2


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    Title :

    OVERHEAD WIRE FITTING ABNORMALITY DETECTING DEVICE AND METHOD


    Additional title:

    架線金具異常検出装置および方法


    Contributors:

    Publication date :

    2024-10-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein , IMAGE DATA PROCESSING OR GENERATION, IN GENERAL / B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES



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