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Center of attention prediction for automatic video framing in teamsport events

(2016)

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Somers_51081100_2016.pdf
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Abstract
Keemotion is a spin-off from Université Catholique de Louvain proposing automated sport production. One of the key functionality of their product is the automated video framing of the filmed game: based on the sequences recorded by a fixed camera above the court, an algorithm is responsible for planning where the camera should look. The current solution implemented by Keemotion is based on a set of fixed rules and heuristics and, although it is rather effective for most situations, it showed some weaknesses in particular tricky game phases. In this work, we propose a method to predict an important information for the framing: the Center of Attention, which could be used to improve current Keemotion's system or implement a new framing strategy. The problem will thus be formulated as a supervised learning task: using a set of framing examples manually annotated and the associated visual characteristics extracted automatically from the scene, we train a regression function which will be able to predict the Center of Attention in new video sequences.

Citations

Somers, V. (2016). Center of attention prediction for automatic video framing in teamsport events.