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Cited by 502

The DOI matches its Crossref record; 59 of the 59 references it cites were found in a registry or an index.

OTA: Optimal Transport Assignment for Object Detection

Open access
Ge, Zheng, Liu, Songtao, Li, Zeming, Yoshie, Osamu, Sun, Jian·2021·2021 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)

Abstract

Recent advances in label assignment in object detection mainly seek to independently define positive/negative training samples for each ground-truth (gt) object. In this paper, we innovatively revisit the label assignment from a global perspective and propose to formulate the assigning procedure as an Optimal Transport (OT) problem – a well-studied topic in Optimization Theory. Concretely, we define the unit transportation cost between each demander (anchor) and supplier (gt) pair as the weighted summation of their classification and regression losses. After formulation, finding the best assignment solution is converted to solve the optimal transport plan at minimal transportation costs, which can be solved via Sinkhorn-Knopp Iteration. On COCO, a single FCOS-ResNet-50 detector equipped with Optimal Transport Assignment (OTA) can reach 40.7% mAP under 1× scheduler, outperforming all other existing assigning methods. Extensive experiments conducted on COCO and CrowdHuman further validate the effectiveness of our proposed OTA, especially its superiority in crowd scenarios. The code is available at https://github.com/Megvii-BaseDetection/OTA.

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Metadata

Authors
Ge, Z., Liu, S., Li, Z., Yoshie, O., & Sun, J.
Venue
2021 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)
Publisher
IEEE
Published
2021-06
Pages
303-312
ISSN
1063-6919 (ISSN-L)
OpenAlex
W3167308647
Cited by
502
References
59
FWCI
32.14
Type
conference paper
Language
en
Open access
green

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CoChat. (2026). Citation check: OTA: Optimal Transport Assignment for Object Detection. https://app.cochat.ai/papers/10.1109/cvpr46437.2021.00037
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Ge, Z., Liu, S., Li, Z., Yoshie, O., & Sun, J. (2021). OTA: Optimal Transport Assignment for Object Detection. 2021 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR). https://doi.org/10.1109/cvpr46437.2021.00037

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