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相关论文: Frequency-Domain Regularized Adversarial Alignment…

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Adversarial perturbations can mislead Multimodal Large Language Models (MLLMs) recognize a benign image as a specific target object, posing serious risks in safety-critical scenarios such as autonomous driving and medical diagnosis. This…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Haobo Wang , Xiaorong Ma , Weiqi Luo , Xiaojun Jia , Jiwu Huang

Multimodal large language models (MLLMs) remain vulnerable to transferable adversarial examples. While existing methods typically achieve targeted attacks by aligning global features-such as CLIP's [CLS] token-between adversarial and target…

计算机视觉与模式识别 · 计算机科学 2025-05-28 Xiaojun Jia , Sensen Gao , Simeng Qin , Tianyu Pang , Chao Du , Yihao Huang , Xinfeng Li , Yiming Li , Bo Li , Yang Liu

Black-box adversarial attacks on Large Vision-Language Models (LVLMs) are challenging due to missing gradients and complex multimodal boundaries. While prior state-of-the-art transfer-based approaches like M-Attack perform well using local…

机器学习 · 计算机科学 2026-02-20 Xiaohan Zhao , Zhaoyi Li , Yaxin Luo , Jiacheng Cui , Zhiqiang Shen

Deep neural networks are known to be vulnerable to security risks due to the inherent transferable nature of adversarial examples. Despite the success of recent generative model-based attacks demonstrating strong transferability, it still…

计算机视觉与模式识别 · 计算机科学 2024-07-31 Hunmin Yang , Jongoh Jeong , Kuk-Jin Yoon

Vision transformers (ViTs) have been successfully deployed in a variety of computer vision tasks, but they are still vulnerable to adversarial samples. Transfer-based attacks use a local model to generate adversarial samples and directly…

计算机视觉与模式识别 · 计算机科学 2023-06-06 Jianping Zhang , Yizhan Huang , Weibin Wu , Michael R. Lyu

Ensuring the robustness of deep neural networks against adversarial attacks remains a fundamental challenge in computer vision. While adversarial training (AT) has emerged as a promising defense strategy, our analysis reveals a critical…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Kejia Zhang , Juanjuan Weng , Yuanzheng Cai , Zhiming Luo , Shaozi Li

Adapter-based Federated Large Language Models (FedLLMs) are widely adopted to reduce the computational, storage, and communication overhead of full-parameter fine-tuning for web-scale applications while preserving user privacy. By freezing…

密码学与安全 · 计算机科学 2026-01-27 Silong Chen , Yuchuan Luo , Guilin Deng , Yi Liu , Min Xu , Shaojing Fu , Xiaohua Jia

With the great advancements in large language models (LLMs), adversarial attacks against LLMs have recently attracted increasing attention. We found that pre-existing adversarial attack methodologies exhibit limited transferability and are…

计算与语言 · 计算机科学 2024-09-10 Zelin Li , Kehai Chen , Lemao Liu , Xuefeng Bai , Mingming Yang , Yang Xiang , Min Zhang

Adversarial examples are a key method to exploit deep neural networks. Using gradient information, such examples can be generated in an efficient way without altering the victim model. Recent frequency domain transformation has further…

机器学习 · 计算机科学 2024-08-26 Zhibo Jin , Jiayu Zhang , Zhiyu Zhu , Xinyi Wang , Yiyun Huang , Huaming Chen

Deep neural networks are known to be vulnerable to adversarial examples crafted by adding human-imperceptible perturbations to the benign input. After achieving nearly 100% attack success rates in white-box setting, more focus is shifted to…

计算机视觉与模式识别 · 计算机科学 2023-07-07 Xu Han , Anmin Liu , Chenxuan Yao , Yanbo Fan , Kun He

Targeted adversarial attacks on closed-source multimodal large language models (MLLMs) have been increasingly explored under black-box transfer, yet prior methods are predominantly sample-specific and offer limited reusability across…

人工智能 · 计算机科学 2026-04-21 Hui Lu , Yi Yu , Yiming Yang , Chenyu Yi , Xueyi Ke , Qixing Zhang , Bingquan Shen , Alex Kot , Xudong Jiang

Deep neural networks are incredibly vulnerable to crafted, human-imperceptible adversarial perturbations. Although adversarial training (AT) has proven to be an effective defense approach, we find that the AT-trained models heavily rely on…

计算机视觉与模式识别 · 计算机科学 2022-12-27 Binxiao Huang , Chaofan Tao , Rui Lin , Ngai Wong

Transfer-based attack adopts the adversarial examples generated on the surrogate model to attack various models, making it applicable in the physical world and attracting increasing interest. Recently, various adversarial attacks have…

计算机视觉与模式识别 · 计算机科学 2023-11-03 Zhijin Ge , Hongying Liu , Xiaosen Wang , Fanhua Shang , Yuanyuan Liu

The utilization of large foundational models has a dilemma: while fine-tuning downstream tasks from them holds promise for making use of the well-generalized knowledge in practical applications, their open accessibility also poses threats…

机器学习 · 计算机科学 2025-04-22 Song Xia , Wenhan Yang , Yi Yu , Xun Lin , Henghui Ding , Ling-Yu Duan , Xudong Jiang

Deep neural networks have shown to be very vulnerable to adversarial examples crafted by adding human-imperceptible perturbations to benign inputs. After achieving impressive attack success rates in the white-box setting, more focus is…

计算机视觉与模式识别 · 计算机科学 2022-04-26 Xu Han , Anmin Liu , Yifeng Xiong , Yanbo Fan , Kun He

As large language models (LLMs) are increasingly deployed in critical applications, ensuring their robustness and safety alignment remains a major challenge. Despite the overall success of alignment techniques such as reinforcement learning…

机器学习 · 计算机科学 2025-08-21 Sajib Biswas , Mao Nishino , Samuel Jacob Chacko , Xiuwen Liu

To circumvent the alignment of large language models (LLMs), current optimization-based adversarial attacks usually craft adversarial prompts by maximizing the likelihood of a so-called affirmative response. An affirmative response is a…

For black-box attacks, the gap between the substitute model and the victim model is usually large, which manifests as a weak attack performance. Motivated by the observation that the transferability of adversarial examples can be improved…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Yuyang Long , Qilong Zhang , Boheng Zeng , Lianli Gao , Xianglong Liu , Jian Zhang , Jingkuan Song

Accurately predicting click-through rates (CTR) under stringent privacy constraints poses profound challenges, particularly when user-item interactions are sparse and fragmented across domains. Conventional cross-domain CTR (CCTR) methods…

信息检索 · 计算机科学 2025-03-24 Jiangcheng Qin , Xueyuan Zhang , Baisong Liu , Jiangbo Qian , Yangyang Wang

Recent studies have shown that Deep Neural Networks (DNNs) are susceptible to adversarial attacks, with frequency-domain analysis underscoring the significance of high-frequency components in influencing model predictions. Conversely,…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Juanjuan Weng , Zhiming Luo , Shaozi Li
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