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    • 50. 发明授权
    • Video data recording device, video data playing device, video data recording method, and video data playing method
    • 视频数据记录装置,视频数据播放装置,视频数据记录方法和视频数据播放方法
    • US08705936B2
    • 2014-04-22
    • US13001554
    • 2010-03-18
    • Shuji TakahashiYasuhiro Ueki
    • Shuji TakahashiYasuhiro Ueki
    • H04N5/94
    • H04N5/91G06K9/00248G11B27/034G11B27/28H04N5/232H04N5/23219H04N5/772H04N5/85H04N9/8205
    • A video data recording device for sufficiently protecting privacy even before a mask target enters into a screen. The video data recording device includes a reference information storage unit in which reference information including predetermined features is recorded; a video data acquisition unit which acquires video data and sequentially outputs the video data to a video buffer; a similarity determining unit which compares newest video data and the reference information, and extracts partial information determined to be similar to the reference information from the newest video data; a relation determining unit which compares video data output to the video buffer before the newest video data, and the partial information determined to be similar, and extracts partial information determined to be related to the partial information determined to be similar; and an imaging recording I/F unit which records the video data and the related information related to the partial information in a recording medium.
    • 一种视频数据记录装置,即使在掩模目标进入屏幕之前也能充分保护隐私。 视频数据记录装置包括参考信息存储单元,其中记录了包括预定特征的参考信息; 视频数据获取单元,其获取视频数据并将视频数据顺序地输出到视频缓冲器; 相似度确定单元,对最新的视频数据和参考信息进行比较,并从最新的视频数据中提取确定为与参考信息相似的部分信息; 关系确定单元,将在最新视频数据之前的视频缓冲器输出的视频数据与确定为相似的部分信息进行比较,并且提取被确定为与被确定为相似的部分信息相关的部分信息; 以及成像记录I / F单元,其将视频数据和与部分信息相关的相关信息记录在记录介质中。