Tools for placing cuts and transitions in interview video
Tools for placing cuts and transitions in interview video
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DOI：
10.1145/2185520.2185563
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发表时间：
2012-07
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影响因子：
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通讯作者：
Floraine Berthouzoz;Wilmot Li;Maneesh Agrawala
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文献类型：
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作者：
Floraine Berthouzoz;Wilmot Li;Maneesh Agrawala
我们提出了一套工具，旨在帮助编辑的地方削减和创建过渡采访视频。为了帮助放置剪辑，我们的界面将视频的文本转录链接到原始镜头中的相应位置。它还通过分析原始镜头的音频/视觉特征来可视化剪切位置的适用性，以找到扬声器相对安静和静止的帧。有了这些工具，编辑可以直接突出显示文本段，检查端点是否是合适的剪切位置，如果是，只需删除文本即可进行编辑。对于每个剪切，我们的系统生成可见的（例如跳切，淡入淡出等）。和无缝隐藏的过渡我们提出了一个层次化的，基于图形的算法，有效地生成隐藏的过渡，认为特定于采访镜头的视觉功能。我们还描述了一种新的数据驱动的技术，用于设置隐藏的过渡的时间。最后，我们的工具提供了一个点击方法，可以无缝地删除'ums'和重复的单词，以及插入自然的停顿来强调语义内容。我们应用我们的工具来编辑各种采访，并展示如何使用它们来快速撰写讲述故事的演员的多个镜头。
We present a set of tools designed to help editors place cuts and create transitions in interview video. To help place cuts, our interface links a text transcript of the video to the corresponding locations in the raw footage. It also visualizes the suitability of cut locations by analyzing the audio/visual features of the raw footage to find frames where the speaker is relatively quiet and still. With these tools editors can directly highlight segments of text, check if the endpoints are suitable cut locations and if so, simply delete the text to make the edit. For each cut our system generates visible (e.g. jump-cut, fade, etc.) and seamless, hidden transitions. We present a hierarchical, graph-based algorithm for efficiently generating hidden transitions that considers visual features specific to interview footage. We also describe a new data-driven technique for setting the timing of the hidden transition. Finally, our tools offer a one click method for seamlessly removing 'ums' and repeated words as well as inserting natural-looking pauses to emphasize semantic content. We apply our tools to edit a variety of interviews and also show how they can be used to quickly compose multiple takes of an actor narrating a story.