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The vulnerability of Deep Neural Networks to adversarial perturbations presents significant security concerns, as the imperceptible perturbations can contaminate the feature space and lead to incorrect predictions. Recent studies have…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Kejia Zhang , Juanjuan Weng , Junwei Wu , Guoqing Yang , Shaozi Li , Zhiming Luo

Physical adversarial attacks often overfit single surrogate models and optimization objectives. While ensemble attacks can mitigate this, existing methods struggle with severe gradient conflicts within restricted physical texture spaces,…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Ziyang Liu , Hongyuan Wang , Zijian Wang , Yinxi Lu , Yunzhao Zang , Zhiqiang Yan , Qianhao Ning

This paper studies the vulnerabilities of transformer-based Large Language Models (LLMs) to jailbreaking attacks, focusing specifically on the optimization-based Greedy Coordinate Gradient (GCG) strategy. We first observe a positive…

计算与语言 · 计算机科学 2024-10-14 Zijun Wang , Haoqin Tu , Jieru Mei , Bingchen Zhao , Yisen Wang , Cihang Xie

Artificial intelligence (AI) technology has provided a potential solution for automatic modulation recognition (AMC). Unfortunately, AI-based AMC models are vulnerable to adversarial examples, which seriously threatens the efficient, secure…

密码学与安全 · 计算机科学 2022-08-04 Sicheng Zhang , Jiarun Yu , Zhida Bao , Shiwen Mao , Yun Lin

Deep neural networks are susceptible to adversarial attacks, which pose a significant threat to their security and reliability in real-world applications. The most notable adversarial attacks are transfer-based attacks, where an adversary…

计算机视觉与模式识别 · 计算机科学 2023-11-02 Kunyu Wang , Juluan Shi , Wenxuan Wang

Human beings can quickly adapt to environmental changes by leveraging learning experience. However, adapting deep neural networks to dynamic environments by machine learning algorithms remains a challenge. To better understand this issue,…

计算机视觉与模式识别 · 计算机科学 2021-03-24 Shixiang Tang , Peng Su , Dapeng Chen , Wanli Ouyang

Action recognition models using deep learning are vulnerable to adversarial examples, which are transferable across other models trained on the same data modality. Existing transferable attack methods face two major challenges: 1) they…

计算机视觉与模式识别 · 计算机科学 2025-05-26 Ping Li , Jianan Ni , Bo Pang

Language Language Models (LLMs) face safety concerns due to potential misuse by malicious users. Recent red-teaming efforts have identified adversarial suffixes capable of jailbreaking LLMs using the gradient-based search algorithm Greedy…

计算与语言 · 计算机科学 2024-10-08 Hongfu Liu , Yuxi Xie , Ye Wang , Michael Shieh

Modern machine learning (ML) models have grown to a scale where training them on a single machine becomes impractical. As a result, there is a growing trend to leverage federated learning (FL) techniques to train large ML models in a…

机器学习 · 计算机科学 2024-12-20 Zhanbo Feng , Yuanjie Wang , Jie Li , Fan Yang , Jiong Lou , Tiebin Mi , Robert. C. Qiu , Zhenyu Liao

Large vision-language models (LVLMs) have achieved impressive performance across multimodal tasks, but their reliance on visual inputs exposes them to adversarial threats. Encoder-based attacks provide an efficient alternative to end-to-end…

密码学与安全 · 计算机科学 2026-05-26 Xinwei Zhang , Li Bai , Tianwei Zhang , Youqian Zhang , Qingqing Ye , Yingnan Zhao , Ruochen Du , Haibo Hu

As Large Language Models (LLMs) are widely used, understanding them systematically is key to improving their safety and realizing their full potential. Although many models are aligned using techniques such as reinforcement learning from…

机器学习 · 计算机科学 2025-05-16 Sajib Biswas , Mao Nishino , Samuel Jacob Chacko , Xiuwen Liu

Multimodal Large Language Models (MLLMs), built upon LLMs, have recently gained attention for their capabilities in image recognition and understanding. However, while MLLMs are vulnerable to adversarial attacks, the transferability of…

计算机视觉与模式识别 · 计算机科学 2025-02-28 Chenhe Gu , Jindong Gu , Andong Hua , Yao Qin

Retrieval Augmented Generation (RAG) frameworks improve the accuracy of large language models (LLMs) by integrating external knowledge from retrieved documents, thereby overcoming the limitations of models' static intrinsic knowledge.…

信息检索 · 计算机科学 2025-09-19 Jingjie Zheng , Aryo Pradipta Gema , Giwon Hong , Xuanli He , Pasquale Minervini , Youcheng Sun , Qiongkai Xu

Federated Domain Generalization (FDG) aims to collaboratively train a global model across distributed clients that can generalize well on unseen domains. However, existing FDG methods typically struggle with cross-client data heterogeneity…

分布式、并行与集群计算 · 计算机科学 2026-05-12 Yuliang Chen , Xi Lin , Jun Wu , Xiangrui Cai , Qiaolun Zhang , Xichun Fan , Jiapeng Xu , Xiu Su

Cross-domain few-shot learning (CD-FSL) aims to recognize novel classes with only a few labeled examples under significant domain shifts. While recent approaches leverage a limited amount of labeled target-domain data to improve…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Siqi Hui , Sanping Zhou , Ye deng , Wenli Huang , Jinjun Wang

Federated domain generalization aims to train a global model from multiple source domains and ensure its generalization ability to unseen target domains. Due to the target domain being with unknown domain shifts, attempting to approximate…

计算机视觉与模式识别 · 计算机科学 2025-01-28 Haoxuan Che , Yifei Wu , Haibo Jin , Yong Xia , Hao Chen

Deep neural networks (DNNs) are vulnerable to adversarial attacks. In particular, object detectors may be attacked by applying a particular adversarial patch to the image. However, because the patch shrinks during preprocessing, most…

计算机视觉与模式识别 · 计算机科学 2022-05-12 Xiaochun Lei , Chang Lu , Zetao Jiang , Zhaoting Gong , Xiang Cai , Linjun Lu

For domain generalization (DG) and unsupervised domain adaptation (UDA), cross domain feature alignment has been widely explored to pull the feature distributions of different domains in order to learn domain-invariant representations.…

计算机视觉与模式识别 · 计算机科学 2020-06-23 Xin Jin , Cuiling Lan , Wenjun Zeng , Zhibo Chen

Existing unsupervised domain adaptation methods based on adversarial learning have achieved good performance in several medical imaging tasks. However, these methods focus only on global distribution adaptation and ignore distribution…

计算机视觉与模式识别 · 计算机科学 2022-07-11 Wei Feng , Lin Wang , Lie Ju , Xin Zhao , Xin Wang , Xiaoyu Shi , Zongyuan Ge

Retrieval-Augmented Generation (RAG) empowers LLMs with external knowledge, making cross-institutional domain-specific knowledge base integration a highly promising deployment paradigm. Despite this potential, strict privacy regulations…

密码学与安全 · 计算机科学 2026-05-26 Chenxin Mao , Shangyu Liu , Zhenzhe Zheng , Fan Wu , Jie Wu , Guihai Chen