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    • 10. 发明授权
    • Method and apparatus for indicating story-line changes by mining closed-caption-text
    • 通过挖掘封闭字幕文本来指示故事线变化的方法和装置
    • US06845485B1
    • 2005-01-18
    • US09586538
    • 2000-05-31
    • Vijnan ShastriIndranil Chakraborty
    • Vijnan ShastriIndranil Chakraborty
    • G06F17/30H04N5/45H04N7/173H04N21/431H04N21/443H04N21/462H04N21/472H04N21/4722H04N21/475H04N21/478G06F17/00
    • H04N21/4758G06F17/30855H04N5/45H04N7/17318H04N21/4316H04N21/4438H04N21/4622H04N21/47202H04N21/4722H04N21/478
    • An automated video editing and indexing system is taught which has application for such tasks as creating a presentation for a video magazine and processing collections of video material in general. The system extracts text either from closed captions (CC) contained in the analog video presentation, or extracted from the voice contained in the presentation by voice-to-text techniques, time-stamps the CC text in text files according to position in the video presentation, and digitizes the video presentation. The text files and digitized video are sent to an editing station, where the CC text is analyzed using Natural Language Processing and other techniques to determine topic changes in the presentation. Keyframes are selected to represent the topic changes, and become thumbnails useful in indexing; indexing meaning marking the video material at points of topic changes, and in some cases jumping the video presentation to the positions represented by the thumbnails. In some cases selected CC text is associated with the thumbnails, and displayed in the video magazine as each thumbnail is selected by mouseover.
    • 教授了一种自动化的视频编辑和索引系统,其具有诸如为视频杂志创建演示文稿和处理视频资料集合的任务的应用。 该系统从模拟视频呈现中包含的隐藏字幕(CC)或通过语音到文本技术从演示文稿中包含的语音中提取的文本提取文本,根据视频中的位置对文本文件中的CC文本进行时间戳 演示和数字化视频演示。 将文本文件和数字化视频发送到编辑站,其中使用自然语言处理和其他技术来分析CC文本以确定演示文稿中的主题变化。 选择关键帧以表示主题更改,并成为索引中有用的缩略图; 在主题变化的点上标记视频材料的索引意义,并且在某些情况下将视频呈现跳转到由缩略图表示的位置。 在某些情况下,所选的CC文本与缩略图相关联,并且通过鼠标悬停选择每个缩略图,并在视频杂志中显示。