Cited by 480Video Surveillance and Tracking MethodsAutonomous Vehicle Technology and SafetyAdvanced Neural Network Applications

Quasi-Dense Similarity Learning for Multiple Object Tracking

Open access
Pang, Jiangmiao, Qiu, Linlu, Li, Xia, Chen, Haofeng, Li, Qi, Darrell, Trevor, Yu, Fisher·2021·2021 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)

Abstract

Similarity learning has been recognized as a crucial step for object tracking. However, existing multiple object tracking methods only use sparse ground truth matching as the training objective, while ignoring the majority of the informative regions on the images. In this paper, we present Quasi-Dense Similarity Learning, which densely samples hundreds of region proposals on a pair of images for contrastive learning. We can directly combine this similarity learning with existing detection methods to build Quasi-Dense Tracking (QDTrack) without turning to displacement regression or motion priors. We also find that the resulting distinctive feature space admits a simple nearest neighbor search at the inference time. Despite its simplicity, QD-Track outperforms all existing methods on MOT, BDD100K, Waymo, and TAO tracking benchmarks. It achieves 68.7 MOTA at 20.3 FPS on MOT17 without using external training data. Compared to methods with similar detectors, it boosts almost 10 points of MOTA and significantly decreases the number of ID switches on BDD100K and Waymo datasets. Our code and trained models are available at https://github.com/SysCV/qdtrack.

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Crossref · 10.1109/cvpr46437.2021.00023

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58 of 58 references verified0 citation errors · 0 not checkable

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Authors
Pang, J., Qiu, L., Li, X., Chen, H., Li, Q., Darrell, T., & Yu, F.
Affiliations
  • Zhejiang University (CN)
  • Georgia Institute of Technology (US)
  • ETH Zurich (CH)
  • Stanford University (US)
  • University of California, Berkeley (US)
Venue
2021 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)
Publisher
IEEE
Published
2021-06
Pages
164-173
ISSN
1063-6919 (ISSN-L)
OpenAlex
W3165926952
Cited by
480
References
59
Citations by year
2026: 49 · 2025: 84 · 2024: 127 · 2023: 134 · 2022: 77 · 2021: 8 · 2020: 1
FWCI
28.29
Type
conference paper
Language
en
Open access
Locations
  • IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • arXiv (Cornell University)
Topics
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Video Surveillance and Tracking Methods
  • Physical Sciences › Engineering › Automotive Engineering › Autonomous Vehicle Technology and Safety
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Advanced Neural Network Applications
Keywords
multiple object tracking, similarity learning, contrastive learning, region proposal, nearest neighbor search, object detection, identity switching

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