中文
相关论文

相关论文: Stealthy Backdoor Attack in Self-Supervised Learni…

200 篇论文

Large Vision Language Models (LVLMs) demonstrate strong capabilities in multimodal reasoning and many real-world applications, such as visual question answering. However, LVLMs are highly vulnerable to jailbreaking attacks. This paper…

人工智能 · 计算机科学 2025-11-19 Badhan Chandra Das , Md Tasnim Jawad , Md Jueal Mia , M. Hadi Amini , Yanzhao Wu

Attention based Large Language Models (LLMs) are the state-of-the-art in natural language processing (NLP). The two most common architectures are encoders such as BERT, and decoders like the GPT models. Despite the success of encoder…

机器学习 · 计算机科学 2024-03-29 Isaac Roberts , Alexander Schulz , Luca Hermes , Barbara Hammer

Although Large Language Models (LLMs) have demonstrated impressive capabilities across a wide range of tasks, growing concerns have emerged over the misuse of sensitive, copyrighted, or harmful data during training. To address these…

Large vision-language models (LVLMs) suffer from hallucination a lot, generating responses that apparently contradict to the image content occasionally. The key problem lies in its weak ability to comprehend detailed content in a…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Zhiyang Chen , Yousong Zhu , Yufei Zhan , Zhaowen Li , Chaoyang Zhao , Jinqiao Wang , Ming Tang

Masked autoencoders are scalable vision learners, as the title of MAE \cite{he2022masked}, which suggests that self-supervised learning (SSL) in vision might undertake a similar trajectory as in NLP. Specifically, generative pretext tasks…

计算机视觉与模式识别 · 计算机科学 2022-08-02 Chaoning Zhang , Chenshuang Zhang , Junha Song , John Seon Keun Yi , Kang Zhang , In So Kweon

Benefiting from the powerful capabilities of Large Language Models (LLMs), pre-trained visual encoder models connected to an LLMs can realize Vision Language Models (VLMs). However, existing research shows that the visual modality of VLMs…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Zhendong Liu , Yuanbi Nie , Yingshui Tan , Xiangyu Yue , Qiushi Cui , Chongjun Wang , Xiaoyong Zhu , Bo Zheng

Self-supervised learning is an emerging machine learning paradigm. Compared to supervised learning which leverages high-quality labeled datasets, self-supervised learning relies on unlabeled datasets to pre-train powerful encoders which can…

密码学与安全 · 计算机科学 2022-09-02 Tianshuo Cong , Xinlei He , Yang Zhang

Despite significant advancements in Vision-Language Models (VLMs), the performance of existing VLMs remains hindered by object hallucination, a critical challenge to achieving accurate visual understanding. To address this issue, we propose…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Woohyeon Park , Woojin Kim , Jaeik Kim , Jaeyoung Do

Autoregressive Visual Language Models (VLMs) showcase impressive few-shot learning capabilities in a multimodal context. Recently, multimodal instruction tuning has been proposed to further enhance instruction-following abilities. However,…

计算机视觉与模式识别 · 计算机科学 2024-02-22 Jiawei Liang , Siyuan Liang , Man Luo , Aishan Liu , Dongchen Han , Ee-Chien Chang , Xiaochun Cao

Large vision-language models (LVLMs) are now central to healthcare applications such as medical visual question answering and imaging report generation. Yet, these models remain vulnerable to hallucination outputs that appear plausible but…

In this paper, we present a new form of backdoor attack against Large Language Models (LLMs): lingual-backdoor attacks. The key novelty of lingual-backdoor attacks is that the language itself serves as the trigger to hijack the infected…

密码学与安全 · 计算机科学 2025-05-07 Zihan Wang , Hongwei Li , Rui Zhang , Wenbo Jiang , Kangjie Chen , Tianwei Zhang , Qingchuan Zhao , Guowen Xu

Visual language model (VLM) is rapidly being integrated into safety-critical systems such as autonomous driving, making it an important attack surface for potential backdoor attacks. Existing backdoor attacks mainly rely on unimodal,…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Jiancheng Wang , Lidan Liang , Yong Wang , Zengzhen Su , Haifeng Xia , Yuanting Yan , Wei Wang

Vision-Language Models (VLMs) have shown remarkable performance, yet their security remains insufficiently understood. Existing adversarial studies focus almost exclusively on the digital setting, leaving physical-world threats largely…

计算机视觉与模式识别 · 计算机科学 2026-04-15 Yingying Zhao , Chengyin Hu , Qike Zhang , Xin Li , Xin Wang , Yiwei Wei , Jiujiang Guo , Jiahuan Long , Tingsong Jiang , Wen Yao

Federated learning (FL), which aims to facilitate data collaboration across multiple organizations without exposing data privacy, encounters potential security risks. One serious threat is backdoor attacks, where an attacker injects a…

密码学与安全 · 计算机科学 2023-06-21 Yuexin Xuan , Xiaojun Chen , Zhendong Zhao , Bisheng Tang , Ye Dong

Deploying large vision-language models (LVLMs) introduces a unique vulnerability: susceptibility to malicious attacks via visual inputs. However, existing defense methods suffer from two key limitations: (1) They solely focus on textual…

密码学与安全 · 计算机科学 2025-03-17 Shuyang Hao , Yiwei Wang , Bryan Hooi , Ming-Hsuan Yang , Jun Liu , Chengcheng Tang , Zi Huang , Yujun Cai

Large vision-language models (LVLMs) are increasingly being applied to multi-view image inputs captured from diverse viewpoints. However, despite this growing use, current LVLMs often confuse or mismatch visual information originating from…

计算机视觉与模式识别 · 计算机科学 2026-03-26 Wooje Park , Insu Lee , Soohyun Kim , Jaeyun Jang , Minyoung Noh , Kyuhong Shim , Byonghyo Shim

Fine-tuned Large Language Models (LLMs) are vulnerable to backdoor attacks through data poisoning, yet the internal mechanisms governing these attacks remain a black box. Previous research on interpretability for LLM safety tends to focus…

密码学与安全 · 计算机科学 2025-10-01 Miao Yu , Zhenhong Zhou , Moayad Aloqaily , Kun Wang , Biwei Huang , Stephen Wang , Yueming Jin , Qingsong Wen

The rapid advancement of Multimodal Large Language Models (MLLMs) has introduced complex security challenges, particularly at the intersection of textual and visual safety. While existing schemes have explored the security vulnerabilities…

计算机视觉与模式识别 · 计算机科学 2026-01-23 Mingyu Yu , Lana Liu , Zhehao Zhao , Wei Wang , Sujuan Qin

Large Vision-Language Models (LVLMs) are susceptible to object hallucinations, an issue in which their generated text contains non-existent objects, greatly limiting their reliability and practicality. Current approaches often rely on the…

计算机视觉与模式识别 · 计算机科学 2024-04-24 Ailin Deng , Zhirui Chen , Bryan Hooi

Despite extensive alignment efforts, Large Vision-Language Models (LVLMs) remain vulnerable to jailbreak attacks, posing serious safety risks. To address this, existing detection methods either learn attack-specific parameters, which…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Shuang Liang , Zhihao Xu , Jialing Tao , Hui Xue , Xiting Wang