Cited by 39Video Surveillance and Tracking MethodsPrivacy-Preserving Technologies in DataAdvanced Vision and Imaging

Person Re-Identification without Identification via Event Anonymization

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Ahmad, Shafiq, Morerio, Pietro, Del Bue, Alessio·2023·2023 IEEE/CVF International Conference on Computer Vision (ICCV)

Abstract

Wide-scale use of visual surveillance in public spaces puts individual privacy at stake while increasing resource consumption (energy, bandwidth, and computation). Neuromorphic vision sensors (event-cameras) have been recently considered a valid solution to the privacy issue because they do not capture detailed RGB visual information of the subjects in the scene. However, recent deep learning architectures have been able to reconstruct images from event cameras with high fidelity, reintroducing a potential threat to privacy for event-based vision applications. In this paper, we aim to anonymize event-streams to protect the identity of human subjects against such image reconstruction attacks. To achieve this, we propose an end-to-end network architecture jointly optimized for the twofold objective of preserving privacy and performing a downstream task such as person ReId. Our network learns to scramble events, enforcing the degradation of images recovered from the privacy attacker. In this work, we also bring to the community the first ever event-based person ReId dataset gathered to evaluate the performance of our approach. We validate our approach with extensive experiments and report results on the synthetic event data simulated from the publicly available SoftBio dataset and our proposed Event-ReId dataset. The code is available at https://github.com/IIT-PAVIS/ReId_without_Id

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Crossref · 10.1109/iccv51070.2023.01022

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Authors
Ahmad, S., Morerio, P., & Del Bue, A.
Affiliations
  • Italian Institute of Technology (IT)
  • Pattern Analysis & Computer Vision (PAVIS) - Istituto Italino di Tecnologia,Italy
Venue
2023 IEEE/CVF International Conference on Computer Vision (ICCV)
Publisher
IEEE
Published
2023-10-01
Pages
11098-11107
OpenAlex
W4390873006
Cited by
39
References
44
Citations by year
2026: 12 · 2025: 16 · 2024: 10 · 2023: 1
FWCI
4.18
Type
conference paper
Language
en
Open access
Locations
  • IEEE/CVF International Conference on Computer Vision (ICCV) (publishedVersion)
  • arXiv (Cornell University) (submittedVersion, cc-by)
  • arXiv (Cornell University) (cc-by)
Funders
  • European Commission
  • NextGenerationEU
Topics
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Video Surveillance and Tracking Methods
  • Physical Sciences › Computer Science › Artificial Intelligence › Privacy-Preserving Technologies in Data
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Advanced Vision and Imaging
Keywords
person re-identification, event cameras, privacy preservation, visual surveillance, neuromorphic vision

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