Collaborative Research:SaTC:CORE:Small:NSF-DST:Towards Secure and Resilient Collaborative Autonomous Driving(CoAD)
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1.Dynamic Defense for Car-Borne LiDAR Vehicle Detection
- 关键词:
- Embedded systems;Error detection;Network security;Object detection;Object recognition;Open Data;Vehicle detection;Detection models;Embedded-system;Objects detection;Real objects;Real world experiment;Runtimes;State of the art;Systems implementation;Vehicles detection
- Xu, Yihan;Guo, Dongfang;Song, Qun;Lou, Yang;Zhu, Yi;Wang, Jianping;Qiao, Chunming;Tan, Rui
- 《23rd ACM International Conference on Mobile Systems, Applications, and Services, MobiSys 2025》
- 2025年
- June 23, 2025 - June 27, 2025
- Anaheim, CA, United states
- 会议
Adversarial attacks with real objects or lasers on car-borne LiDAR-based object detection are concerning. The existing defense approaches are often designed to address specific attacks and short of considering adaptive attackers who may adapt based on all available information about the deployed defense to maximize attack effect. This paper proposes Hyper3Def, a new defense for the function of detecting vehicle objects, which uses a Hypernet to generate an ensemble of multiple new detection models when needed at run time. The detection results of these models are fused to give the final result. As a dynamic defense, Hyper3Def revokes an important basis of the adaptive attack, i.e., the object detection model is needed to plan effective adversarial perturbations. Evaluation based on open data and real-world experiments with embedded system implementation show that, when confronting adaptive attacks, Hyper3Def outperforms various baseline defenses including the adversarial training, which is often cited as the state of the art. © 2025 Copyright held by the owner/author(s).
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