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Multi-modal Large Language Models (MLLMs) excel in vision-language tasks but remain vulnerable to visual adversarial perturbations that can induce hallucinations, manipulate responses, or bypass safety mechanisms. Existing methods seek to…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Hashmat Shadab Malik , Fahad Shamshad , Muzammal Naseer , Karthik Nandakumar , Fahad Khan , Salman Khan

In recent years, vision and language pre-training (VLP) models have advanced the state-of-the-art results in a variety of cross-modal downstream tasks. Aligning cross-modal semantics is claimed to be one of the essential capabilities of VLP…

计算与语言 · 计算机科学 2022-10-19 Zheng Ma , Shi Zong , Mianzhi Pan , Jianbing Zhang , Shujian Huang , Xinyu Dai , Jiajun Chen

Recent work has shown that, when integrated with adversarial training, self-supervised pre-training can lead to state-of-the-art robustness In this work, we improve robustness-aware self-supervised pre-training by learning representations…

计算机视觉与模式识别 · 计算机科学 2020-10-27 Ziyu Jiang , Tianlong Chen , Ting Chen , Zhangyang Wang

Vision foundation models are increasingly employed in autonomous driving systems due to their advanced capabilities. However, these models are susceptible to adversarial attacks, posing significant risks to the reliability and safety of…

多媒体 · 计算机科学 2024-07-19 Jiyuan Fu , Zhaoyu Chen , Kaixun Jiang , Haijing Guo , Shuyong Gao , Wenqiang Zhang

Understanding the vulnerability of large-scale pre-trained vision-language models like CLIP against adversarial attacks is key to ensuring zero-shot generalization capacity on various downstream tasks. State-of-the-art defense mechanisms…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Fan Yang , Mingxuan Xia , Sangzhou Xia , Chicheng Ma , Hui Hui

Vision-language models (VLMs) excel in various multimodal tasks but frequently suffer from poor calibration, resulting in misalignment between their verbalized confidence and response correctness. This miscalibration undermines user trust,…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Yunpu Zhao , Rui Zhang , Junbin Xiao , Ruibo Hou , Jiaming Guo , Zihao Zhang , Yifan Hao , Yunji Chen

Existed pre-training methods either focus on single-modal tasks or multi-modal tasks, and cannot effectively adapt to each other. They can only utilize single-modal data (i.e. text or image) or limited multi-modal data (i.e. image-text…

计算与语言 · 计算机科学 2022-03-15 Wei Li , Can Gao , Guocheng Niu , Xinyan Xiao , Hao Liu , Jiachen Liu , Hua Wu , Haifeng Wang

Despite the substantial advancements in Vision-Language Pre-training (VLP) models, their susceptibility to adversarial attacks poses a significant challenge. Existing work rarely studies the transferability of attacks on VLP models,…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Jiyuan Fu , Zhaoyu Chen , Kaixun Jiang , Haijing Guo , Jiafeng Wang , Shuyong Gao , Wenqiang Zhang

Vision-language pre-training (VLP) models demonstrate impressive abilities in processing both images and text. However, they are vulnerable to multi-modal adversarial examples (AEs). Investigating the generation of high-transferability…

计算机视觉与模式识别 · 计算机科学 2023-12-08 Dongchen Han , Xiaojun Jia , Yang Bai , Jindong Gu , Yang Liu , Xiaochun Cao

Cycle consistent generative adversarial network (CycleGAN) and variational autoencoder (VAE) based models have gained popularity in non-parallel voice conversion recently. However, they often suffer from difficult training process and…

声音 · 计算机科学 2021-04-05 Tingle Li , Yichen Liu , Chenxu Hu , Hang Zhao

Multiple convolutional neural network (CNN) classifiers have been proposed for electroencephalogram (EEG) based brain-computer interfaces (BCIs). However, CNN models have been found vulnerable to universal adversarial perturbations (UAPs),…

机器学习 · 计算机科学 2022-11-15 Zihan Liu , Lubin Meng , Xiao Zhang , Weili Fang , Dongrui Wu

Pre-trained Language Models (PLMs) have achieved remarkable performance for various language understanding tasks in IR systems, which require the fine-tuning process based on labeled training data. For low-resource scenarios, prompt-based…

计算与语言 · 计算机科学 2022-04-04 Ziyun Xu , Chengyu Wang , Minghui Qiu , Fuli Luo , Runxin Xu , Songfang Huang , Jun Huang

Different from traditional task-specific vision models, recent large VLMs can readily adapt to different vision tasks by simply using different textual instructions, i.e., prompts. However, a well-known concern about traditional…

计算机视觉与模式识别 · 计算机科学 2024-03-18 Haochen Luo , Jindong Gu , Fengyuan Liu , Philip Torr

Adversarial attacks on Natural Language Processing (NLP) models expose vulnerabilities by introducing subtle perturbations to input text, often leading to misclassification while maintaining human readability. Existing methods typically…

密码学与安全 · 计算机科学 2025-06-12 Hetvi Waghela , Jaydip Sen , Sneha Rakshit , Subhasis Dasgupta

Convolutional neural networks (CNN) have become one of the most popular machine learning tools and are being applied in various tasks, however, CNN models are vulnerable to universal perturbations, which are usually human-imperceptible but…

机器学习 · 计算机科学 2020-01-07 Jiazhu Dai , Le Shu

Images perturbed subtly to be misclassified by neural networks, called adversarial examples, have emerged as a technically deep challenge and an important concern for several application domains. Most research on adversarial examples takes…

计算机视觉与模式识别 · 计算机科学 2019-04-05 Mahmood Sharif , Sruti Bhagavatula , Lujo Bauer , Michael K. Reiter

A single universal adversarial perturbation (UAP) can be added to all natural images to change most of their predicted class labels. It is of high practical relevance for an attacker to have flexible control over the targeted classes to be…

计算机视觉与模式识别 · 计算机科学 2020-10-09 Chaoning Zhang , Philipp Benz , Tooba Imtiaz , In So Kweon

Vision-Language-Action models (VLAs) have recently demonstrated remarkable progress in embodied environments, enabling robots to perceive, reason, and act through unified multimodal understanding. Despite their impressive capabilities, the…

计算机视觉与模式识别 · 计算机科学 2025-12-12 Yuping Yan , Yuhan Xie , Yixin Zhang , Lingjuan Lyu , Handing Wang , Yaochu Jin

Vision Large Language Models (VLLMs) are increasingly deployed to offer advanced capabilities on inputs comprising both text and images. While prior research has shown that adversarial attacks can transfer from open-source to proprietary…

计算机视觉与模式识别 · 计算机科学 2025-05-05 Kai Hu , Weichen Yu , Li Zhang , Alexander Robey , Andy Zou , Chengming Xu , Haoqi Hu , Matt Fredrikson

Vision-language pre-training (VLP) has attracted increasing attention recently. With a large amount of image-text pairs, VLP models trained with contrastive loss have achieved impressive performance in various tasks, especially the…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Shipeng Yan , Lanqing Hong , Hang Xu , Jianhua Han , Tinne Tuytelaars , Zhenguo Li , Xuming He