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    • 1. 发明申请
    • EQUIPMENT AND METHOD FOR DETECTING COMMRCIAL AUTOMATELY
    • 用于自动检测COMMRCI的设备和方法
    • WO2004098177A8
    • 2008-08-14
    • PCT/CN2004000384
    • 2004-04-21
    • MATSUSHITA ELECTRIC IND CO LTDYU XUWENZHENG WENTAO
    • YU XUWENZHENG WENTAO
    • H04N5/14G06K9/00H04N5/44
    • H04N5/44G06K9/00711H04N5/147H04N21/4221H04N21/44008H04N21/4882H04N21/812
    • The invention discloses an equipment for detecting commercial automately comprising: video frame buffer, for storing first group of video frames and second group of video frames the television. received, which is apparent different with the first group of video frames in scene change rate; scene change detecting and calculating means, for reading the first group and second group of video frames stored in the video frame buffer, and set the last frame before the transition of first group to second group of video frame as key frame and calculating correlation of the video frame currently received and the key frame; informing signal generating means for generating informing signal when the correlation of the video frame currently received and the key frame is larger than or equal to predetermined threshold; controlling means, controlling the detecting and calculating means to perform reading and calculating action. And the invention also discloses a method for detecting commercial automately.
    • 本发明公开了一种自动检测商业的设备,包括:视频帧缓冲器,用于存储第一组视频帧和第二组视频帧。 与第一组视频帧的场景变化率明显不同; 场景变化检测和计算装置,用于读取存储在视频帧缓冲器中的第一组视频帧和第二组视频帧,并将第一组到第二组视频帧的转换之前的最后一帧设置为关键帧,并计算相关性 当前收到的视频帧和关键帧; 通知信号产生装置,用于当当前接收到的视频帧与关键帧的相关性大于或等于预定阈值时产生通知信号; 控制装置,控制检测和计算装置执行读取和计算动作。 本发明还公开了一种自动检测商业的方法。