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Deep learning models have consistently outperformed traditional machine learning models in various classification tasks, including image classification. As such, they have become increasingly prevalent in many real world applications…

Cryptography and Security · Computer Science 2018-08-31 Cong Liao , Haoti Zhong , Anna Squicciarini , Sencun Zhu , David Miller

Over the past few years, the emergence of backdoor attacks has presented significant challenges to deep learning systems, allowing attackers to insert backdoors into neural networks. When data with a trigger is processed by a backdoor…

Cryptography and Security · Computer Science 2025-03-07 Haiyang Yu , Tian Xie , Jiaping Gui , Pengyang Wang , Ping Yi , Yue Wu

The growing misuse of Vision-Language Models (VLMs) has led providers to deploy multiple safeguards, including alignment tuning, system prompts, and content moderation. However, the real-world robustness of these defenses against…

Cryptography and Security · Computer Science 2025-11-21 Yijun Yang , Lichao Wang , Jianping Zhang , Chi Harold Liu , Lanqing Hong , Qiang Xu

Text-to-video (T2V) generative models have rapidly advanced and found widespread applications across fields like entertainment, education, and marketing. However, the adversarial vulnerabilities of these models remain rarely explored. We…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Ruotong Wang , Mingli Zhu , Jiarong Ou , Rui Chen , Xin Tao , Pengfei Wan , Baoyuan Wu

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,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Jiancheng Wang , Lidan Liang , Yong Wang , Zengzhen Su , Haifeng Xia , Yuanting Yan , Wei Wang

Graph Foundation Models (GFMs) are pre-trained on diverse source domains and adapted to unseen targets, enabling broad generalization for graph machine learning. Despite that GFMs have attracted considerable attention recently, their…

Cryptography and Security · Computer Science 2025-11-25 Jiayi Luo , Qingyun Sun , Lingjuan Lyu , Ziwei Zhang , Haonan Yuan , Xingcheng Fu , Jianxin Li

In recent years, the security of AI systems has drawn increasing research attention, especially in the medical imaging realm. To develop a secure medical image analysis (MIA) system, it is a must to study possible backdoor attacks (BAs),…

Computer Vision and Pattern Recognition · Computer Science 2022-04-15 Yu Feng , Benteng Ma , Jing Zhang , Shanshan Zhao , Yong Xia , Dacheng Tao

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

Backdoor attacks pose a serious threat to deep neural networks (DNNs), allowing adversaries to implant triggers for hidden behaviors in inference. Defending against such vulnerabilities is especially difficult in the post-training setting,…

Cryptography and Security · Computer Science 2026-04-14 Weijun Li , Ansh Arora , Xuanli He , Mark Dras , Qiongkai Xu

Self-supervised diffusion models learn high-quality visual representations via latent space denoising. However, their representation layer poses a distinct threat: unlike traditional attacks targeting generative outputs, its unconstrained…

Cryptography and Security · Computer Science 2026-03-03 Jiayao Wang , Yiping Zhang , Mohammad Maruf Hasan , Xiaoying Lei , Jiale Zhang , Junwu Zhu , Qilin Wu , Dongfang Zhao

Segment Anything Model (SAM) has attracted significant attention recently, due to its impressive performance on various downstream tasks in a zero-short manner. Computer vision (CV) area might follow the natural language processing (NLP)…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Chenshuang Zhang , Chaoning Zhang , Taegoo Kang , Donghun Kim , Sung-Ho Bae , In So Kweon

Recent advances in vision-language-action (VLA) models have greatly improved embodied AI, enabling robots to follow natural language instructions and perform diverse tasks. However, their reliance on uncurated training datasets raises…

Cryptography and Security · Computer Science 2025-10-13 Zirun Zhou , Zhengyang Xiao , Haochuan Xu , Jing Sun , Di Wang , Jingfeng Zhang

In recent years, neural backdoor attack has been considered to be a potential security threat to deep learning systems. Such systems, while achieving the state-of-the-art performance on clean data, perform abnormally on inputs with…

Cryptography and Security · Computer Science 2020-10-19 Anh Nguyen , Anh Tran

Mixture of Experts (MoE) architectures have gained popularity for reducing computational costs in deep neural networks by activating only a subset of parameters during inference. While this efficiency makes MoE attractive for vision tasks,…

Cryptography and Security · Computer Science 2026-01-13 Cedric Chan , Jona te Lintelo , Stjepan Picek

Videos captured in low-light and underwater conditions often suffer from distortions such as noise, low contrast, color imbalance, and blur. These issues not only limit visibility but also degrade automatic tasks like detection.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Guoxi Huang , Ruirui Lin , Yini Li , David R. Bull , Nantheera Anantrasirichai

Recent years have witnessed remarkable progress in developing Vision-Language Models (VLMs) capable of processing both textual and visual inputs. These models have demonstrated impressive performance, leading to their widespread adoption in…

Image and Video Processing · Electrical Eng. & Systems 2025-07-15 Hanene F. Z. Brachemi Meftah , Wassim Hamidouche , Sid Ahmed Fezza , Olivier Déforges

In recent years, deep learning-based Monocular Depth Estimation (MDE) models have been widely applied in fields such as autonomous driving and robotics. However, their vulnerability to backdoor attacks remains unexplored. To fill the gap in…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Ji Guo , Long Zhou , Zhijin Wang , Jiaming He , Qiyang Song , Aiguo Chen , Wenbo Jiang

Large visual language models (LVLMs) have demonstrated excellent instruction-following capabilities, yet remain vulnerable to stealthy backdoor attacks when finetuned using contaminated data. Existing backdoor defense techniques are usually…

Cryptography and Security · Computer Science 2025-06-09 Yuan Xun , Siyuan Liang , Xiaojun Jia , Xinwei Liu , Xiaochun Cao

Backdoor unalignment attacks against Large Language Models (LLMs) enable the stealthy compromise of safety alignment using a hidden trigger while evading normal safety auditing. These attacks pose significant threats to the applications of…

Cryptography and Security · Computer Science 2025-06-23 Biao Yi , Tiansheng Huang , Sishuo Chen , Tong Li , Zheli Liu , Zhixuan Chu , Yiming Li

Deep learning models are widely deployed in many applications, such as object detection in various security fields. However, these models are vulnerable to backdoor attacks. Most backdoor attacks were intensively studied on classified…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Yaguan Qian , Boyuan Ji , Shuke He , Shenhui Huang , Xiang Ling , Bin Wang , Wei Wang