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Cited by 303

The DOI matches its Crossref record; 89 of the 89 references it cites were found in a registry or an index.

Action Genome: Actions As Compositions of Spatio-Temporal Scene Graphs

Ji, Jingwei, Krishna, Ranjay, Fei-Fei, Li, Niebles, Juan Carlos·2020·2020 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)

Abstract

Action recognition has typically treated actions and activities as monolithic events that occur in videos. However, there is evidence from Cognitive Science and Neuroscience that people actively encode activities into consistent hierarchical part structures. However, in Computer Vision, few explorations on representations that encode event partonomies have been made. Inspired by evidence that the prototypical unit of an event is an action-object interaction, we introduce Action Genome, a representation that decomposes actions into spatio-temporal scene graphs. Action Genome captures changes between objects and their pairwise relationships while an action occurs. It contains 10K videos with 0.4M objects and 1.7M visual relationships annotated. With Action Genome, we extend an existing action recognition model by incorporating scene graphs as spatio-temporal feature banks to achieve better performance on the Charades dataset. Next, by decomposing and learning the temporal changes in visual relationships that result in an action, we demonstrate the utility of a hierarchical event decomposition by enabling few-shot action recognition, achieving 42.7% mAP using as few as 10 examples. Finally, we benchmark existing scene graph models on the new task of spatio-temporal scene graph prediction.

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Metadata

Authors
Ji, J., Krishna, R., Fei-Fei, L., & Niebles, J. C.
Venue
2020 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)
Publisher
IEEE
Published
2020-06
Pages
10233-10244
ISSN
1063-6919 (ISSN-L)
OpenAlex
W3034679267
Cited by
303
References
89
FWCI
14.03
Type
conference paper
Language
en
Open access
closed

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CoChat. (2026). Citation check: Action Genome: Actions As Compositions of Spatio-Temporal Scene Graphs. https://app.cochat.ai/papers/10.1109/cvpr42600.2020.01025
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Ji, J., Krishna, R., Fei-Fei, L., & Niebles, J. C. (2020). Action Genome: Actions As Compositions of Spatio-Temporal Scene Graphs. 2020 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR). https://doi.org/10.1109/cvpr42600.2020.01025

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