Representation Alignment Contrastive Regularization for Multi-Object Tracking

• URL: http://arxiv.org/abs/2404.02562v2
• Date: Wed, 17 Apr 2024 07:13:27 GMT
• Title: Representation Alignment Contrastive Regularization for Multi-Object Tracking
• Authors: Zhonglin Liu, Shujie Chen, Jianfeng Dong, Xun Wang, Di Zhou,
• Abstract summary: Mainstream-performance in multi-object tracking algorithms relies on modeling heavily-temporal relationships during the data association stage. This work aims to simplify deep learning-based,temporal relationship models and introduce interpretability into data association designs.
• Score: 29.837560662395713
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Achieving high-performance in multi-object tracking algorithms heavily relies on modeling spatio-temporal relationships during the data association stage. Mainstream approaches encompass rule-based and deep learning-based methods for spatio-temporal relationship modeling. While the former relies on physical motion laws, offering wider applicability but yielding suboptimal results for complex object movements, the latter, though achieving high-performance, lacks interpretability and involves complex module designs. This work aims to simplify deep learning-based spatio-temporal relationship models and introduce interpretability into features for data association. Specifically, a lightweight single-layer transformer encoder is utilized to model spatio-temporal relationships. To make features more interpretative, two contrastive regularization losses based on representation alignment are proposed, derived from spatio-temporal consistency rules. By applying weighted summation to affinity matrices, the aligned features can seamlessly integrate into the data association stage of the original tracking workflow. Experimental results showcase that our model enhances the majority of existing tracking networks' performance without excessive complexity, with minimal increase in training overhead and nearly negligible computational and storage costs.

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