Event Video Mashup: From Hundreds of Videos to Minutes of Skeleton

The explosive growth of video content on the Web has been revolutionizing the way people share, exchange and perceive information, such as events. While an individual video usually concerns a specific aspect of an event, the videos that are uploaded by different users at different locations and times can embody different emphasis and compensate each other in describing the event. Combining these videos from different sources together can unveil a more complete picture of the event. Simply concatenating videos together is an intuitive solution, but it may degrade user experience since it is time-consuming and tedious to view those highly redundant, noisy and disorganized content. Therefore, we develop a novel approach, termed event video mashup (EVM), to automatically generate a unified short video from a collection of Web videos to describe the storyline of an event. We propose a submodular based content selection model that embodies both importance and diversity to depict the event from comprehensive aspects in an efficient way. Importantly, the video content is organized temporally and semantically conforming to the event evolution. We evaluate our approach on a realworld YouTube event dataset collected by ourselves. The extensive experimental results demonstrate the effectiveness of the proposed framework.

Authors

• Lianli Gao
• Peng Wang
• Jingkuan Song University of Electronic Science and Technology of China
• Zi Huang The University of Queensland, Australia
• Jie Shao ByteDance Inc.
• Heng Shen

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