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The emergence of Vision-Language Models (VLMs) represents a significant advancement in integrating computer vision with Large Language Models (LLMs) to generate detailed text descriptions from visual inputs. Despite their growing…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Weimin Lyu , Jiachen Yao , Saumya Gupta , Lu Pang , Tao Sun , Lingjie Yi , Lijie Hu , Haibin Ling , Chao Chen

Recent advances in Large Visual Language Models (LVLMs) have demonstrated impressive performance across various vision-language tasks by leveraging large-scale image-text pretraining and instruction tuning. However, the security…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Zihan Wang , Guansong Pang , Wenjun Miao , Jin Zheng , Xiao Bai

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,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-22 Jiawei Liang , Siyuan Liang , Man Luo , Aishan Liu , Dongchen Han , Ee-Chien Chang , Xiaochun Cao

In-context learning, a paradigm bridging the gap between pre-training and fine-tuning, has demonstrated high efficacy in several NLP tasks, especially in few-shot settings. Despite being widely applied, in-context learning is vulnerable to…

Computation and Language · Computer Science 2024-10-10 Shuai Zhao , Meihuizi Jia , Luu Anh Tuan , Fengjun Pan , Jinming Wen

In recent years, there has been an explosive growth in multimodal learning. Image captioning, a classical multimodal task, has demonstrated promising applications and attracted extensive research attention. However, recent studies have…

Cryptography and Security · Computer Science 2024-06-11 Wenshu Fan , Hongwei Li , Wenbo Jiang , Meng Hao , Shui Yu , Xiao Zhang

Recent advances in vision-language models (VLMs) have significantly enhanced the visual grounding task, which involves locating objects in an image based on natural language queries. Despite these advancements, the security of VLM-based…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Junxian Li , Beining Xu , Simin Chen , Jiatong Li , Jingdi Lei , Haodong Zhao , Di Zhang

Backdoor attacks pose a new threat to NLP models. A standard strategy to construct poisoned data in backdoor attacks is to insert triggers (e.g., rare words) into selected sentences and alter the original label to a target label. This…

Computation and Language · Computer Science 2022-04-28 Leilei Gan , Jiwei Li , Tianwei Zhang , Xiaoya Li , Yuxian Meng , Fei Wu , Yi Yang , Shangwei Guo , Chun Fan

Large language models (LLMs) have transformed the development of embodied intelligence. By providing a few contextual demonstrations, developers can utilize the extensive internal knowledge of LLMs to effortlessly translate complex tasks…

Artificial Intelligence · Computer Science 2024-08-07 Aishan Liu , Yuguang Zhou , Xianglong Liu , Tianyuan Zhang , Siyuan Liang , Jiakai Wang , Yanjun Pu , Tianlin Li , Junqi Zhang , Wenbo Zhou , Qing Guo , Dacheng Tao

Recent advances in Vision-Language Models (VLMs) have greatly enhanced the integration of visual perception and linguistic reasoning, driving rapid progress in multimodal understanding. Despite these achievements, the security of VLMs,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Nam Duong Tran , Phi Le Nguyen

Backdoor attacks pose a critical threat by embedding hidden triggers into inputs, causing models to misclassify them into target labels. While extensive research has focused on mitigating these attacks in object recognition models through…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Kyle Stein , Andrew Arash Mahyari , Guillermo Francia , Eman El-Sheikh

Mobile agents powered by vision-language models (VLMs) are increasingly adopted for tasks such as UI automation and camera-based assistance. These agents are typically fine-tuned using small-scale, user-collected data, making them…

Cryptography and Security · Computer Science 2025-09-08 Xuan Wang , Siyuan Liang , Zhe Liu , Yi Yu , Aishan Liu , Yuliang Lu , Xitong Gao , Ee-Chien Chang

Backdoor attack against image classification task has been widely studied and proven to be successful, while there exist little research on the backdoor attack against vision-language models. In this paper, we explore backdoor attack…

Computer Vision and Pattern Recognition · Computer Science 2024-01-08 Meiling Li , Nan Zhong , Xinpeng Zhang , Zhenxing Qian , Sheng Li

Graphical User Interface (GUI) agents powered by Large Vision-Language Models (LVLMs) have emerged as a revolutionary approach to automating human-machine interactions, capable of autonomously operating personal devices (e.g., mobile…

Computation and Language · Computer Science 2025-09-25 Ziang Ye , Yang Zhang , Wentao Shi , Xiaoyu You , Fuli Feng , Tat-Seng Chua

It has been proved that deep neural networks are facing a new threat called backdoor attacks, where the adversary can inject backdoors into the neural network model through poisoning the training dataset. When the input containing some…

Cryptography and Security · Computer Science 2021-03-16 Chuanshuai Chen , Jiazhu Dai

Studying backdoor attacks is valuable for model copyright protection and enhancing defenses. While existing backdoor attacks have successfully infected multimodal contrastive learning models such as CLIP, they can be easily countered by…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Siyuan Liang , Mingli Zhu , Aishan Liu , Baoyuan Wu , Xiaochun Cao , Ee-Chien Chang

There has been an increasing interest in the alignment of large language models (LLMs) with human values. However, the safety issues of their integration with a vision module, or vision language models (VLMs), remain relatively…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Xijia Tao , Shuai Zhong , Lei Li , Qi Liu , Lingpeng Kong

In recent years there has been enormous interest in vision-language models trained using self-supervised objectives. However, the use of large-scale datasets scraped from the web for training also makes these models vulnerable to potential…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Alvi Md Ishmam , Christopher Thomas

Diffusion language models (DLMs) have recently emerged as an alternative modeling paradigm to autoregressive (AR) language models, enabling parallel generation and bidirectional context modeling. Yet their security implications,…

Cryptography and Security · Computer Science 2026-05-12 Shengfang Zhai , Xiaoyang Ji , Yuling Shi , Haoran Gao , Fanyu Meng , Yan Zeng , Yuejian Fang , Yinpeng Dong , Jiaheng Zhang

Generative large language models (LLMs) have achieved state-of-the-art results on a wide range of tasks, yet they remain susceptible to backdoor attacks: carefully crafted triggers in the input can manipulate the model to produce…

Artificial Intelligence · Computer Science 2025-05-20 Yige Li , Hanxun Huang , Yunhan Zhao , Xingjun Ma , Jun Sun

Multimodal pretrained models are vulnerable to backdoor attacks, yet most existing methods rely on visual or multimodal triggers, which are impractical since visually embedded triggers rarely occur in real-world data. To overcome this…

Cryptography and Security · Computer Science 2026-04-08 Yiyang Zhang , Chaojian Yu , Ziming Hong , Yuanjie Shao , Qinmu Peng , Tongliang Liu , Xinge You