To propose a technology for reducing error detection of an obstacle as a safety support system for a station platform using an image pictured by a camera.SOLUTION: In a safety support system for a station platform, a first overhead camera and a second overhead camera are installed in different positions to picture an identical observation portion of a linear shadow generated in a gap between a train and a platform. In addition, a processor 200 includes: a first disproportionate area detection unit 241 for detecting a first image disproportionate area with an image of a monitored portion not equivalent to the linear shadow among the first images pictured by the first overhead camera; a second disproportionate area detection unit 243 for detecting a second image disproportionate area with an image of a monitored portion not equivalent to the linear shadow among the second images pictured by the second overhead camera; and a presence determination unit 245 for determining a presence of an obstacle based on the difference between the first image disproportionate area and the second image disproportionate area.SELECTED DRAWING: Figure 8

    【課題】カメラによる撮影画像を用いた駅ホームの安全支援システムとして、支障物体の誤検知を低減する技術を提案すること。【解決手段】駅ホームの安全支援システムにおいて、第1の俯瞰カメラおよび第2の俯瞰カメラは、列車とプラットホームとの隙間に生じる線状陰影の同一の観察部分を撮影するために異なる位置に設置される。そして、処理装置200は、第1の俯瞰カメラの第1の撮影画像のうち、観察部分の画像が線状陰影に相当しない第1の画像不相当箇所を検出する第1不相当箇所検出部241と、第2の俯瞰カメラの第2の撮影画像のうち、観察部分の画像が線状陰影に相当しない第2の画像不相当箇所を検出する第2不相当箇所検出部243と、第1の画像不相当箇所と第2の画像不相当箇所との差異に基づいて、支障物体の存否を判定する存否判定部245とを備える。【選択図】図8


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    Title :

    SAFETY SUPPORT SYSTEM AND OBSTACLE DETERMINATION METHOD FOR STATION PLATFORM


    Additional title:

    駅ホームの安全支援システムおよび支障物体判定方法


    Contributors:

    Publication date :

    2021-04-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / B61B RAILWAY SYSTEMS , Eisenbahnanlagen / G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein , IMAGE DATA PROCESSING OR GENERATION, IN GENERAL



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