PROBLEM TO BE SOLVED: To detect a position of a pedestrian existing in a circumference by including a position that cannot be viewed from a vehicle.SOLUTION: A pedestrian existence position in the circumference of a vehicle is detected by analyzing an image signal of an on-vehicle camera or a reflection signal of an electromagnetic irradiation apparatus such as an on-vehicle radar. Besides, an object area requiring an inquiry on existence of a pedestrian is extracted. Then, an ultrasonic wave output device mounted on the vehicle is driven, so as to output an ultrasonic wave toward the object area and to detect a response signal wirelessly transmitted from the object area in response to the ultrasonic wave. A pedestrian existence position in the circumference of the vehicle is determined based on a detection result of an acquired response signal and a previously detected pedestrian existence position. Consequently, a position of a pedestrian existing in a circumference can be detected by including a position that cannot be viewed from the vehicle.SELECTED DRAWING: Figure 4

    【課題】車両からは見通せない位置も含めて、周囲に存在する歩行者の位置を検出する。【解決手段】車載カメラの画像信号または車載レーダーなどの電磁波照射機器の反射信号を解析して、車両の周辺での歩行者の存在位置を検出する。更に、歩行者の存在についての問い合わせを要する対象領域を抽出する。そして、車両に搭載された超音波出力装置を駆動することによって、対象領域に向かって超音波を出力して、超音波に応答して対象領域から無線で送信された応答信号を検出する。こうして得られた応答信号の検出結果と、先に検出した歩行者の存在位置とに基づいて、車両の周囲での歩行者の存在位置を決定する。こうすれば、車両からは見通せない位置も含めて、周囲に存在する歩行者の位置を検出することが可能となる。【選択図】図4


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    Title :

    PEDESTRIAN POSITION DETECTION DEVICE


    Additional title:

    歩行者位置検出装置


    Contributors:

    Publication date :

    2018-02-01


    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 / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein , IMAGE DATA PROCESSING OR GENERATION, IN GENERAL



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