To obtain an image anonymization apparatus capable of performing anonymization more comprehensively than prior arts.SOLUTION: An image anonymization apparatus includes: a video image acquisition unit which acquires a video image including a plurality of images captured sequentially; an anonymization target area tracking unit which tracks an anonymization target area including specific information in the video image; and an anonymization processing unit which executes anonymization processing on the anonymization target area tracked by the anonymization target area tracking unit so that the specific information cannot be identified. The tracking of the anonymization target area tracking unit includes forward tracking which tracks the anonymization target area in a temporally forward direction in the video image and inverse tracking which tracks the anonymization target area in a temporally inverse direction in the video image.SELECTED DRAWING: Figure 1

    【課題】従来技術より網羅的に匿名化処理を行うことができる画像匿名化装置を得る。【解決手段】画像匿名化装置は、時間的に連続して撮影された複数の画像を含む動画像を取得する動画像取得部と、動画像の中で、特定の情報を含む匿名化対象領域を追跡する匿名化対象領域追跡部と、匿名化対象領域追跡部によって追跡された匿名化対象領域に対して、特定の情報を識別できないようにする匿名化処理を行う匿名化処理部と、を備える。匿名化対象領域追跡部によって行われる追跡は、動画像の中で匿名化対象領域を時間的に順方向に追跡する順方向追跡と、動画像の中で匿名化対象領域を時間的に逆方向に追跡する逆方向追跡とを含む。【選択図】図1


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    Title :

    IMAGE ANONYMIZATION APPARATUS, IMAGE ANONYMIZATION METHOD, AND PROGRAM


    Additional title:

    画像匿名化装置、画像匿名化方法、及びプログラム


    Contributors:

    Publication date :

    2021-04-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein , IMAGE DATA PROCESSING OR GENERATION, IN GENERAL / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / H04N PICTORIAL COMMUNICATION, e.g. TELEVISION , Bildübertragung, z.B. Fernsehen



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