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- W2993455314 abstract "In video understanding, action spotting consists in temporally localizing human-induced events annotated with single timestamps. In this paper, we propose a novel loss function that specifically considers the temporal context naturally present around each action, rather than focusing on the single annotated frame to spot. We benchmark our loss on a large dataset of soccer videos, SoccerNet, and achieve an improvement of 12.8% over the baseline. We show the generalization capability of our loss for generic activity proposals and detection on ActivityNet, by spotting the beginning and the end of each activity. Furthermore, we provide an extended ablation study and display challenging cases for action spotting in soccer videos. Finally, we qualitatively illustrate how our loss induces a precise temporal understanding of actions and show how such semantic knowledge can be used for automatic highlights generation." @default.
- W2993455314 created "2019-12-13" @default.
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- W2993455314 date "2019-12-03" @default.
- W2993455314 modified "2023-09-27" @default.
- W2993455314 title "A Context-Aware Loss Function for Action Spotting in Soccer Videos" @default.
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