Automatic Editing of Footage from Multiple Social Cameras

Arik Shamir (DR Boston)
Ido Arev (Efi Arazi School of Computer Science)
Hyun Soo Park (CMU)
Yaser Sheikh (DR Pittsburgh/CMU)
Jessica Hodgins (DR Pittsburgh)

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[Press Release]

We present an approach that takes multiple videos captured by social cameras that are carried or worn by members of the group involved in an activity—and produces a coherent “cut” video of the activity. Footage from social cameras contains an intimate, personalized view that reflects the part of an event that was of importance to the camera operator (or wearer). We leverage the insight that social cameras share the focus of attention of the people carrying them. We use this insight to determine where the important “content” in a scene is taking place, and use it in conjunction with cinematographic guidelines to select which cameras to cut to and to determine the timing of those cuts. A trellis graph formulation is used to optimize an objective function that maximizes coverage of the important content in the scene, while respecting cinematographic guidelines such as the 180-degree rule and avoiding jump cuts. We demonstrate cuts of the videos in various styles and lengths for a number of scenarios, including sports games, street performance, family activities, and social get-togethers. We evaluate our results through an in-depth analysis of the cuts in the resulting videos and through comparison with videos produced by a professional editor and existing commercial solutions.

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Automatic Editing of Footage from Multiple Social Cameras
Arik Shamir (DR Boston), Ido Arev (Efi Arazi School of Computer Science), Hyun Soo Park (CMU), Yaser Sheikh (DR Pittsburgh/CMU), Jessica Hodgins (DR Pittsburgh)
ACM Conference on Computer Graphics & Interactive Techniques (SIGGRAPH) 2014 – August 10-14, 2014
Paper [PDF, 25MB]

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