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Cited by 604

The DOI matches its Crossref record; 8 of the 8 references it cites were found in a registry or an index.

The THUMOS challenge on action recognition for videos “in the wild”

Open access
Idrees, Haroon, Zamir, Amir R., Jiang, Yu-Gang, Gorban, Alex, Laptev, Ivan, Sukthankar, Rahul, Shah, Mubarak·2017·Computer Vision and Image Understanding

Abstract

Abstract Automatically recognizing and localizing wide ranges of human actions are crucial for video understanding. Towards this goal, the THUMOS challenge was introduced in 2013 to serve as a benchmark for action recognition. Until then, video action recognition, including THUMOS challenge, had focused primarily on the classification of pre-segmented (i.e., trimmed) videos, which is an artificial task. In THUMOS 2014, we elevated action recognition to a more practical level by introducing temporally untrimmed videos. These also include ‘background videos’ which share similar scenes and backgrounds as action videos, but are devoid of the specific actions. The three editions of the challenge organized in 2013–2015 have made THUMOS a common benchmark for action classification and detection and the annual challenge is widely attended by teams from around the world. In this paper we describe the THUMOS benchmark in detail and give an overview of data collection and annotation procedures. We present the evaluation protocols used to quantify results in the two THUMOS tasks of action classification and temporal action detection. We also present results of submissions to the THUMOS 2015 challenge and review the participating approaches. Additionally, we include a comprehensive empirical study evaluating the differences in action recognition between trimmed and untrimmed videos, and how well methods trained on trimmed videos generalize to untrimmed videos. We conclude by proposing several directions and improvements for future THUMOS challenges.

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Crossref · 10.1016/j.cviu.2016.10.018

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Metadata

Authors
Idrees, H., Zamir, A. R., Jiang, Y.-G., Gorban, A., Laptev, I., Sukthankar, R., & Shah, M.
Venue
Computer Vision and Image Understanding
Publisher
Elsevier BV
Published
2017-02
Volume
155
Pages
1-23
ISSN
1077-3142 (ISSN-L)
OpenAlex
W2336403884
Cited by
604
References
8
FWCI
20.54
Type
journal article
Language
en
Open access
green

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