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Video Multimodal Large Language Models (V-MLLMs) have shown impressive capabilities in temporal reasoning and cross-modal understanding, yet their vulnerability to adversarial attacks remains underexplored due to unique challenges: complex…

计算机视觉与模式识别 · 计算机科学 2025-07-02 Jiaming Zhang , Rui Hu , Qing Guo , Wei Yang Bryan Lim

Vision-language pre-training (VLP) models are vulnerable to adversarial examples, particularly in black-box scenarios. Existing multimodal attacks often suffer from limited perturbation diversity and unstable multi-stage pipelines. To…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Wutao Chen , Huaqin Zou , Chen Wan , Lifeng Huang

In the past few years, the emergence of pre-training models has brought uni-modal fields such as computer vision (CV) and natural language processing (NLP) to a new era. Substantial works have shown they are beneficial for downstream…

计算机视觉与模式识别 · 计算机科学 2024-04-19 Feilong Chen , Duzhen Zhang , Minglun Han , Xiuyi Chen , Jing Shi , Shuang Xu , Bo Xu

Vision-Language Pretraining (VLP) has shown impressive results on diverse downstream tasks by offline training on large-scale datasets. Regarding the growing nature of real-world data, such an offline training paradigm on ever-expanding…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Hongguang Zhu , Yunchao Wei , Xiaodan Liang , Chunjie Zhang , Yao Zhao

Neural networks are known to be vulnerable to adversarial examples, inputs that have been intentionally perturbed to remain visually similar to the source input, but cause a misclassification. It was recently shown that given a dataset and…

密码学与安全 · 计算机科学 2018-01-08 Jamie Hayes , George Danezis

Multimodal contrastive learning aims to train a general-purpose feature extractor, such as CLIP, on vast amounts of raw, unlabeled paired image-text data. This can greatly benefit various complex downstream tasks, including cross-modal…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Ziqi Zhou , Shengshan Hu , Minghui Li , Hangtao Zhang , Yechao Zhang , Hai Jin

In this work, we leverage visual prompting (VP) to improve adversarial robustness of a fixed, pre-trained model at testing time. Compared to conventional adversarial defenses, VP allows us to design universal (i.e., data-agnostic) input…

计算机视觉与模式识别 · 计算机科学 2023-05-02 Aochuan Chen , Peter Lorenz , Yuguang Yao , Pin-Yu Chen , Sijia Liu

Large pre-trained Vision Language Models (VLMs) demonstrate excellent generalization capabilities but remain highly susceptible to adversarial examples, posing potential security risks. To improve the robustness of VLMs against adversarial…

计算机视觉与模式识别 · 计算机科学 2025-12-19 Shiji Zhao , Qihui Zhu , Shukun Xiong , Shouwei Ruan , Maoxun Yuan , Jialing Tao , Jiexi Liu , Ranjie Duan , Jie Zhang , Jie Zhang , Xingxing Wei

With the rapid advancement and widespread application of vision-language pre-training (VLP) models, their vulnerability to adversarial attacks has become a critical concern. In general, the adversarial examples can typically be designed to…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Yuanbo Li , Tianyang Xu , Cong Hu , Tao Zhou , Xiao-Jun Wu , Josef Kittler

Large pre-trained Vision-Language Models (VLMs) like CLIP, despite having remarkable generalization ability, are highly vulnerable to adversarial examples. This work studies the adversarial robustness of VLMs from the novel perspective of…

计算机视觉与模式识别 · 计算机科学 2024-03-05 Lin Li , Haoyan Guan , Jianing Qiu , Michael Spratling

Adversarial examples are perturbed inputs which can cause a serious threat for machine learning models. Finding these perturbations is such a hard task that we can only use the iterative methods to traverse. For computational efficiency,…

计算机视觉与模式识别 · 计算机科学 2020-06-11 Xiaofeng Mao , Yuefeng Chen , Yuhong Li , Yuan He , Hui Xue

In this paper, we propose novel generative models for creating adversarial examples, slightly perturbed images resembling natural images but maliciously crafted to fool pre-trained models. We present trainable deep neural networks for…

计算机视觉与模式识别 · 计算机科学 2018-07-09 Omid Poursaeed , Isay Katsman , Bicheng Gao , Serge Belongie

Visual Question Answering (VQA) is a fundamental task in computer vision and natural language process fields. Although the ``pre-training & finetuning'' learning paradigm significantly improves the VQA performance, the adversarial…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Ziyi Yin , Muchao Ye , Tianrong Zhang , Jiaqi Wang , Han Liu , Jinghui Chen , Ting Wang , Fenglong Ma

Infrared vision-language models (IR-VLMs) have emerged as a promising paradigm for multimodal perception in low-visibility environments, yet their robustness to adversarial attacks remains largely unexplored. Existing adversarial patch…

计算机视觉与模式识别 · 计算机科学 2026-04-06 Chengyin Hu , Yuxian Dong , Yikun Guo , Xiang Chen , Junqi Wu , Jiahuan Long , Yiwei Wei , Tingsong Jiang , Wen Yao

Pretrained vision-language models (VLMs) like CLIP exhibit exceptional generalization across diverse downstream tasks. While recent studies reveal their vulnerability to adversarial attacks, research to date has primarily focused on…

计算机视觉与模式识别 · 计算机科学 2024-11-13 Wanqi Zhou , Shuanghao Bai , Danilo P. Mandic , Qibin Zhao , Badong Chen

Vision-and-Language (V+L) pre-training models have achieved tremendous success in recent years on various multi-modal benchmarks. However, the majority of existing models require pre-training on a large set of parallel image-text data,…

计算机视觉与模式识别 · 计算机科学 2022-03-02 Mingyang Zhou , Licheng Yu , Amanpreet Singh , Mengjiao Wang , Zhou Yu , Ning Zhang

Universal adversarial perturbations (UAPs) have garnered significant attention due to their ability to undermine deep neural networks across multiple inputs using a single noise pattern. Evolutionary algorithms offer a promising approach to…

机器学习 · 计算机科学 2026-01-21 Shiqi Wang , Mahdi Khosravy , Neeraj Gupta , Olaf Witkowski

Deep neural network image classifiers are reported to be susceptible to adversarial evasion attacks, which use carefully crafted images created to mislead a classifier. Recently, various kinds of adversarial attack methods have been…

机器学习 · 计算机科学 2019-10-04 He Zhao , Trung Le , Paul Montague , Olivier De Vel , Tamas Abraham , Dinh Phung

Self-supervised pre-training has drawn increasing attention in recent years due to its superior performance on numerous downstream tasks after fine-tuning. However, it is well-known that deep learning models lack the robustness to…

计算机视觉与模式识别 · 计算机科学 2022-10-17 Yuanhao Ban , Yinpeng Dong

Vision-language pre-training (VLP) models exhibit remarkable capabilities in comprehending both images and text, yet they remain susceptible to multimodal adversarial examples (AEs). Strengthening attacks and uncovering vulnerabilities,…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Sensen Gao , Xiaojun Jia , Xuhong Ren , Ivor Tsang , Qing Guo