Unsupervised Domain Adaptive Lane Detection via Contextual Contrast and Aggregation

• URL: http://arxiv.org/abs/2407.13328v1
• Date: Thu, 18 Jul 2024 09:29:02 GMT
• Title: Unsupervised Domain Adaptive Lane Detection via Contextual Contrast and Aggregation
• Authors: Kunyang Zhou, Yunjian Feng, Jun Li,
• Abstract summary: Existing lane detection methods exploit a pixel-wise cross-entropy loss to train detection models. Cross-domain context dependency crucial for transferring knowledge across domains remains unexplored in existing lane detection methods. This paper proposes a method of Domain-Adaptive lane detection via Contextual Contrast and Aggregation (DACCA)
• Score: 3.105187291566825
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: This paper focuses on two crucial issues in domain-adaptive lane detection, i.e., how to effectively learn discriminative features and transfer knowledge across domains. Existing lane detection methods usually exploit a pixel-wise cross-entropy loss to train detection models. However, the loss ignores the difference in feature representation among lanes, which leads to inefficient feature learning. On the other hand, cross-domain context dependency crucial for transferring knowledge across domains remains unexplored in existing lane detection methods. This paper proposes a method of Domain-Adaptive lane detection via Contextual Contrast and Aggregation (DACCA), consisting of two key components, i.e., cross-domain contrastive loss and domain-level feature aggregation, to realize domain-adaptive lane detection. The former can effectively differentiate feature representations among categories by taking domain-level features as positive samples. The latter fuses the domain-level and pixel-level features to strengthen cross-domain context dependency. Extensive experiments show that DACCA significantly improves the detection model's performance and outperforms existing unsupervised domain adaptive lane detection methods on six datasets, especially achieving the best performance when transferring from CULane to Tusimple (92.10% accuracy), Tusimple to CULane (41.9% F1 score), OpenLane to CULane (43.0% F1 score), and CULane to OpenLane (27.6% F1 score).

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