Ego4D: Around the World in 3,000 Hours of Egocentric Video

Research output: Chapter in Book/Report/Conference proceedingConference contribution

205 Scopus citations


We introduce Ego4D, a massive-scale egocentric video dataset and benchmark suite. It offers 3,670 hours of dailylife activity video spanning hundreds of scenarios (household, outdoor, workplace, leisure, etc.) captured by 931 unique camera wearers from 74 worldwide locations and 9 different countries. The approach to collection is designed to uphold rigorous privacy and ethics standards, with consenting participants and robust de-identification procedures where relevant. Ego4D dramatically expands the volume of diverse egocentric video footage publicly available to the research community. Portions of the video are accompanied by audio, 3D meshes of the environment, eye gaze, stereo, and/or synchronized videos from multiple egocentric cameras at the same event. Furthermore, we present a host of new benchmark challenges centered around understanding the first-person visual experience in the past (querying an episodic memory), present (analyzing hand-object manipulation, audio-visual conversation, and social interactions), and future (forecasting activities). By publicly sharing this massive annotated dataset and benchmark suite, we aim to push the frontier of first-person perception.
Original languageEnglish (US)
Title of host publication2022 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)
Number of pages18
ISBN (Print)9781665469463
StatePublished - Sep 27 2022

Bibliographical note

KAUST Repository Item: Exported on 2022-12-02
Acknowledgements: UNICT is supported by MIUR AIM - Attrazione e MobilitaIn-ternazionale Linea 1 - AIM1893589 - CUP E64118002540007. Bristol is supported by UKRIEngineering and Physical Sciences Research Council (EPSRC) Doctoral Training Program (DTP), EP-SRC Fellowship UMPIRE (EP/T004991/1). KAUST is supported by the KAUST Office of Sponsored Research through the Visual Computing Center (VCC) funding. National University of Singapore is supported by Mike Shou’s Start-Up Grant. Georgia Tech is supported in part by NSF 2033413 and NIH R01MH114999. We gratefully acknowledge the following colleagues for valuable discussions and support of our project: Aaron Adcock, Andrew Allen, Behrouz Behmardi, Serge Belongie, Antoine Bordes, Mark Broyles, Xiao Chu, Samuel Clapp, Irene D’Ambra, Peter Dodds, Jacob Donley, Ruohan Gao, Tal Hassner, Ethan Henderson, Jiabo Hu, Guillaume Jeanneret, Sanjana Krishnan, Devansh Kukreja, Tsung-Yi Lin, Bobby Otillar, Manohar Paluri, Maja Pantic, Lucas Pinto, Vivek Roy, Jerome Pesenti, Joelle Pineau, Luca Sbordone, Rajan Subramanian, Helen Sun, Mary Williamson, and Bill Wu. We also acknowledge Jacob Chalk for setting up the Ego4D AWS backend and Prasanna Sridhar for developing the Ego4D website. Thank you to the Common Visual Data Foundation (CVDF) for hosting the Ego4D dataset. The universities acknowledge the usage of commercial software for deidentification of video. was used for redacting videos by some universities. Personal data from the U. Bristol was protected by Primloc’s Secure Redact software.


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