PROBLEM TO BE SOLVED: To extract an appropriate pedestrian area including a pedestrian from a pickup image, and to precisely identify an action of a pedestrian on the basis of the pedestrian area.SOLUTION: A pedestrian action identification device 1 for a vehicle comprises: a pedestrian detection part 6 for detecting a pedestrian existing in a pickup image of the surrounding of a vehicle picked up by an imaging part 2 provided at the vehicle; a head position tracking part 10 for tracking a head position of the pedestrian detected by the pedestrian detection part 6 in the pickup image; a pedestrian area extraction part 12 for extracting the pedestrian area having a predetermined shape including the pedestrian detected by the pedestrian detection part 6 from the pickup image; and an action identification part 14 for identifying an action of the pedestrian on the basis of a secular change in the image of the pedestrian area extracted by the pedestrian area extraction part 12. The pedestrian area extraction part 12 extracts an area in which the head position of the pedestrian is fixed to a predetermined position inside the area as the pedestrian area on the basis of the head position tracked by the head position tracking part 10.SELECTED DRAWING: Figure 8

    【課題】撮像画像から歩行者を含む適切な歩行者領域を抽出して、この歩行者領域に基づき歩行者の動作を精度良く識別する。【解決手段】車両用の歩行者動作識別装置1は、車両に設けられた撮像部2により撮像された車両周囲の撮像画像中に存在する歩行者を検出する歩行者検出部6と、撮像画像において歩行者検出部6により検出された歩行者の頭部位置を追跡する頭部位置追跡部10と、歩行者検出部6により検出された歩行者を含む、所定の形状を有する歩行者領域を撮像画像から抽出する歩行者領域抽出部12と、歩行者領域抽出部12により抽出された歩行者領域の画像の経時変化に基づき歩行者の動作を識別する動作識別部14と、を有し、歩行者領域抽出部12は、頭部位置追跡部10により追跡された頭部位置に基づき、歩行者の頭部位置が内部の所定位置に固定された領域を歩行者領域として抽出する。【選択図】図8


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    Titel :

    PEDESTRIAN ACTION IDENTIFICATION DEVICE FOR VEHICLE


    Weitere Titelangaben:

    車両用の歩行者動作識別装置


    Beteiligte:
    IWAMOTO TARO (Autor:in)

    Erscheinungsdatum :

    17.08.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein , IMAGE DATA PROCESSING OR GENERATION, IN GENERAL / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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