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Journal Articles IEEE Transactions on Circuits and Systems for Video Technology Year : 2015

Fast Action Localization in Large-Scale Video Archives

Abstract

Finding content in large video archives has so far required textual annotation to enable search by keywords. Our aim is to support retrieval from such archives using queries based on the example video clips that contain meaningful human actions. We propose a solution for the scalable search of actions in large-scale archives by leveraging the complementarity between the description at the frame level and the aggregation in time of descriptors. To permit fast search, we introduce a two-level cascade. The inexpensive first level employs aggregation to filter out a large part of the video. At the second level, aided by feature selection, a more discriminative comparison by frame alignment ranks the remaining video sequences. We improve upon the state of the art on popular data sets, and we introduce and show the results on a novel video archive data set that is significantly larger than previous ones.
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hal-01436992 , version 1 (16-01-2017)

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Andrei Stoian, Marin Ferecatu, Jenny Benois-Pineau, Michel Crucianu. Fast Action Localization in Large-Scale Video Archives. IEEE Transactions on Circuits and Systems for Video Technology, 2015, IEEE Transactions on Circuits and Systems for Video Technology, 26 (10), pp.1917 - 1930. ⟨10.1109/TCSVT.2015.2475835⟩. ⟨hal-01436992⟩
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