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arXiv · 2506.04823

Fool the Stoplight: Realistic Adversarial Patch Attacks on Traffic Light Detectors

Svetlana Pavlitska·Jamie Robb·Nikolai Polley·Melih Yazgan·J. Marius Zöllner
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Abstract

Realistic adversarial attacks on various camera-based perception tasks of autonomous vehicles have been successfully demonstrated so far. However, only a few works considered attacks on traffic light detectors. This work shows how CNNs for traffic light detection can be attacked with printed patches. We propose a threat model, where each instance of a traffic light is attacked with a patch placed under it, and describe a training strategy. We demonstrate successful adversarial patch attacks in universal settings. Our experiments show realistic targeted red-to-green label-flipping attacks and attacks on pictogram classification. Finally, we perform a real-world evaluation with printed patches and demonstrate attacks in the lab settings with a mobile traffic light for construction sites and in a test area with stationary traffic lights. Our code is available at https://github.com/KASTEL-MobilityLab/attacks-on-traffic-light-detection.

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Svetlana Pavlitska, Jamie Robb, Nikolai Polley, Melih Yazgan, J. Marius Zöllner. 2025-06-05. Fool the Stoplight: Realistic Adversarial Patch Attacks on Traffic Light Detectors. https://arxiv.org/abs/2506.04823

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