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RT-DATR:Real-time Unsupervised Domain Adaptive Detection Transformer with Adversarial Feature Learning

2025-04-12Code Available1· sign in to hype

Feng Lv, Chunlong Xia, Shuo Wang, Huo Cao

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Abstract

Despite domain-adaptive object detectors based on CNN and transformers have made significant progress in cross-domain detection tasks, it is regrettable that domain adaptation for real-time transformer-based detectors has not yet been explored. Directly applying existing domain adaptation algorithms has proven to be suboptimal. In this paper, we propose RT-DATR, a simple and efficient real-time domain adaptive detection transformer. Building on RT-DETR as our base detector, we first introduce a local object-level feature alignment module to significantly enhance the feature representation of domain invariance during object transfer. Additionally, we introduce a scene semantic feature alignment module designed to boost cross-domain detection performance by aligning scene semantic features. Finally, we introduced a domain query and decoupled it from the object query to further align the instance feature distribution within the decoder layer, reduce the domain gap, and maintain discriminative ability. Experimental results on various benchmarks demonstrate that our method outperforms current state-of-the-art approaches. Our code will be released soon.

Tasks

Benchmark Results

DatasetModelMetricClaimedVerifiedStatus
BDD100k to CityscapesRT-DATR(real-time, 640x640,R-34) mAP46.5Unverified
Cityscapes-to-Foggy CityscapesRT-DATR(640x640, real-time)mAP@0.552.7Unverified
Kitti to CityscapesRT-DATR(real-time, 640x640)mAP@0.550.3Unverified
SIM10K to CityscapesRT-DATR(real-time, 640x640)mAP@0.567.2Unverified

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