Considering the lack of a unified generation model of news video summarization, the thesis proposes an extensible model called EDU, which is the abbreviation of Entity-Description-Utility.

• 提出了新闻视频摘要的“实体-描述-效用”模型(简称EDU模型)，设计实现了基于EDU模型的新闻视频摘要方法。