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    • 3. 发明公开
    • SYSTEM AND METHOD FOR USING CLOSED CAPTIONS FOR TELEVISION VIEWERSHIP MEASUREMENT
    • 系统和方法的字幕电视观众测量中使用
    • EP3132611A1
    • 2017-02-22
    • EP15719346.7
    • 2015-04-09
    • Google Inc.
    • OZTASKENT, AntVOLOVICH, YaroslavROWE, Simon MichaelBASOL, CihatSTEWART, James Robert
    • H04N21/442H04H60/31
    • To provide audience measurement services without requiring broadcasters to install additional watermarking equipment, a small video capture device may receive a video signal viewed by an audience member, the signal including embedded closed captioning data, and may decode and transmit the closed captioning data to an audience measurement server. The measurement server may receive the data and compare the received data to a database of closed captioning text to identify matches. The database may be populated via one or more additional capture devices receiving local or national broadcast signals, or with data separately provided by broadcasters. When a match is found, the measurement server may determine that the audience member is watching a program having the corresponding closed captioning. Dynamically generated confidence scores may allow for reliable identification of audience members of content, even with very short closed captioning data lengths.
    • 而不需要广播安装额外的电子水印设备提供受众测量服务,小视频捕获装置可以接收由在观众成员观看的视频信号,该信号包括嵌入的隐藏式字幕数据,并且可以在观众解码和发送隐藏式字幕数据以 测量服务器。 测量服务器可以接收数据和接收数据比较封闭的字幕文本来识别匹配的数据库。 该数据库可通过一个或多个附加的捕获设备来填充接收当地或国家广播信号,或者与由广播公司分别提供的数据。 当找到一个匹配,测量服务器可确定矿井没有观众成员观看具有相应字幕的程序。 动态生成的置信度分数可允许的内容的观众成员的可靠识别,即使使用非常短的封闭字幕数据的长度。