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arXiv 2509.20196cs.CVcs.LG

面向自动驾驶视觉语言模型的通用伪装攻击

Universal Camouflage Attack on Vision-Language Models for Autonomous Driving

School of Cyber Science and Technology, SUN YAT-SEN UNIVERSITY(中山大学计算机科学与技术学院);School of Computing, National University of Singapore(新加坡国立大学计算机学院);Key Laboratory of Education Informatization for Nationalities, Yunnan Normal University(云南师范大学民族教育信息化重点实验室);SCSE, Beihang University(北航软件学院)

Dehong Kong, Sifan Yu, Siyuan Liang, Jiawei Liang, Jianhou Gan, Aishan Liu, Wenqi Ren

AI总结:

针对自动驾驶视觉语言模型,提出通用伪装攻击框架UCA,在特征空间生成物理可实现的纹理,利用特征发散损失和多尺度策略,有效诱导错误驾驶命令,显著超越现有攻击方法。

摘要:

视觉语言建模在自动驾驶领域正成为一个有前景的研究方向,在多模态推理能力方面取得了显著进步。尽管具有先进的推理能力,VLM-AD仍然容易受到对抗攻击带来的严重安全威胁,这些攻击通过精心设计的扰动来误导模型决策。现有攻击存在明显挑战:1)物理对抗攻击主要针对视觉模块。它们难以直接迁移到VLM-AD系统,因为它们通常攻击低级感知组件。2)针对VLM-AD的对抗攻击主要集中在数字层面。为解决这些挑战,我们提出了首个针对VLM-AD的通用伪装攻击(UCA)框架。与以往专注于优化logit层的方法不同,UCA在特征空间中操作,生成物理上可实现的伪装纹理,这些纹理在不同用户命令和模型架构之间表现出强大的泛化能力。受VLM-AD中编码器和投影层可观察漏洞的启发,UCA引入了一种特征发散损失(FDL),该损失最大化干净图像与对抗图像之间的表征差异。此外,UCA结合了多尺度学习策略并调整采样比例,以增强其对真实场景中尺度和视角多样性的适应性,从而提高训练稳定性。大量实验表明,UCA能够在各种VLM-AD模型和驾驶场景中诱导错误的驾驶命令,显著超越现有最先进的攻击方法(在3-P指标上提升30%)。此外,UCA在不同视角和动态条件下表现出强大的攻击鲁棒性,表明其在实际部署中具有很高的潜力。

英文摘要:

Visual language modeling for automated driving is emerging as a promising research direction with substantial improvements in multimodal reasoning capabilities. Despite its advanced reasoning abilities, VLM-AD remains vulnerable to serious security threats from adversarial attacks, which involve misleading model decisions through carefully crafted perturbations. Existing attacks have obvious challenges: 1) Physical adversarial attacks primarily target vision modules. They are difficult to directly transfer to VLM-AD systems because they typically attack low-level perceptual components. 2) Adversarial attacks against VLM-AD have largely concentrated on the digital level. To address these challenges, we propose the first Universal Camouflage Attack (UCA) framework for VLM-AD. Unlike previous methods that focus on optimizing the logit layer, UCA operates in the feature space to generate physically realizable camouflage textures that exhibit strong generalization across different user commands and model architectures. Motivated by the observed vulnerability of encoder and projection layers in VLM-AD, UCA introduces a feature divergence loss (FDL) that maximizes the representational discrepancy between clean and adversarial images. In addition, UCA incorporates a multi-scale learning strategy and adjusts the sampling ratio to enhance its adaptability to changes in scale and viewpoint diversity in real-world scenarios, thereby improving training stability. Extensive experiments demonstrate that UCA can induce incorrect driving commands across various VLM-AD models and driving scenarios, significantly surpassing existing state-of-the-art attack methods (improving 30\% in 3-P metrics). Furthermore, UCA exhibits strong attack robustness under diverse viewpoints and dynamic conditions, indicating high potential for practical deployment.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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