In the video clips, the babies made various facial expressions in response to real life events including playful interactions and painful ones.
在视频剪辑中，婴儿们对现实生活中的事件做出各种各样的面部反应，包括有趣的互动和痛苦的经历。
The team successfully applied this method to video clips of scenes with various lighting and backgrounds.
研究小组已经成功把这一方法运用到具有复杂光线效果和背景物的视频中。
Afterwards, equivalence classes are mapped into matrix representation. Therefore various factors are computed to rank the similarity of the selected video clips by characters of the matrix.
然后把等价类映射为矩阵表达形式，再通过矩阵的特性来度量影响片段相似度的不同因子，实现了相似片段的排序。
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