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Large-scale diffusion models have achieved state-of-the-art results on text-to-image synthesis (T2I) tasks. Despite their ability to generate high-quality yet creative images, we observe that attribution-binding and compositional…

Computer Vision and Pattern Recognition · Computer Science 2023-03-02 Weixi Feng , Xuehai He , Tsu-Jui Fu , Varun Jampani , Arjun Akula , Pradyumna Narayana , Sugato Basu , Xin Eric Wang , William Yang Wang

Consistency models are a new class of models that generate images by directly mapping noise to data, allowing for one-step generation and significantly accelerating the sampling process. However, their robustness against adversarial attacks…

Cryptography and Security · Computer Science 2025-02-18 Chengen Wang , Murat Kantarcioglu

Most existing scene text detectors require large-scale training data which cannot scale well due to two major factors: 1) scene text images often have domain-specific distributions; 2) collecting large-scale annotated scene text images is…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Zichen Tian , Chuhui Xue , Jingyi Zhang , Shijian Lu

Deep learning models have been shown to be vulnerable to adversarial attacks. In particular, gradient-based attacks have demonstrated high success rates recently. The gradient measures how each image pixel affects the model output, which…

Computer Vision and Pattern Recognition · Computer Science 2022-02-03 Hanbin Hong , Yuan Hong , Yu Kong

Scaling up model and data size has been quite successful for the evolution of LLMs. However, the scaling law for the diffusion based text-to-image (T2I) models is not fully explored. It is also unclear how to efficiently scale the model for…

Computer Vision and Pattern Recognition · Computer Science 2024-04-04 Hao Li , Yang Zou , Ying Wang , Orchid Majumder , Yusheng Xie , R. Manmatha , Ashwin Swaminathan , Zhuowen Tu , Stefano Ermon , Stefano Soatto

Multimodal large language models have become an important infrastructure for unified processing of visual and linguistic tasks. However, such models are highly susceptible to backdoor implantation during supervised fine-tuning and will…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Tianmeng Fang , Yong Wang , Zetai Kong , Zengzhen Su , Jun Wang , Chengjin Yu , Wei Wang

Text-to-Image (T2I) generation has advanced rapidly in recent years, but they also raise safety concerns due to the potential production of harmful content. In the practical deployments, T2I services typically adopt full-chain defenses that…

Computer Vision and Pattern Recognition · Computer Science 2026-03-12 Jiangtao Liu , Zhaoxin Wang , Handing Wang , Cong Tian , Yaochu Jin

Stable diffusion has demonstrated strong image synthesis ability to given text descriptions, suggesting it to contain strong semantic clue for grouping objects. The researchers have explored employing stable diffusion for training-free…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Lin Sun , Jiale Cao , Jin Xie , Fahad Shahbaz Khan , Yanwei Pang

Diffusion Models (DMs) have achieved remarkable success in image generation, yet recent studies reveal their vulnerability to backdoor attacks, where adversaries manipulate outputs via covert triggers embedded in inputs. Existing defenses,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Lei Zhang , Yu Pan , Bingrong Dai , Lin Wang

Semantic Communication (SC) backdoor attacks aim to utilize triggers to manipulate the system into producing predetermined outputs via backdoored shared knowledge. Current SC backdoors adopt monomorphic paradigms with single attack target,…

Cryptography and Security · Computer Science 2026-04-28 Xiao Yang , Yuni Lai , Gaolei Li , Jun Wu , Kai Zhou , Jianhua Li , Mingzhe Chen

Rearranging objects (e.g. vase, door) back in their original positions is one of the most fundamental skills for domestic service robots (DSRs). In rearrangement tasks, it is crucial to detect the objects that need to be rearranged…

Robotics · Computer Science 2024-07-09 Haruka Matsuo , Shintaro Ishikawa , Komei Sugiura

Large pre-trained models have achieved notable success across a range of downstream tasks. However, recent research shows that a type of adversarial attack ($\textit{i.e.,}$ backdoor attack) can manipulate the behavior of machine learning…

Artificial Intelligence · Computer Science 2024-10-29 Dongliang Guo , Mengxuan Hu , Zihan Guan , Junfeng Guo , Thomas Hartvigsen , Sheng Li

This paper finds that contrastive learning can produce superior sentence embeddings for pre-trained models but is also vulnerable to backdoor attacks. We present the first backdoor attack framework, BadCSE, for state-of-the-art sentence…

Computation and Language · Computer Science 2022-10-21 Xiaoyi Chen , Baisong Xin , Shengfang Zhai , Shiqing Ma , Qingni Shen , Zhonghai Wu

Deep learning models are widely deployed in various applications but remain vulnerable to stealthy adversarial threats, particularly backdoor attacks. Backdoor models trained on poisoned datasets behave normally with clean inputs but cause…

Cryptography and Security · Computer Science 2025-11-18 Chengrui Sun , Hua Zhang , Haoran Gao , Shang Wang , Zian Tian , Jianjin Zhao , Qi Li , Hongliang Zhu , Zongliang Shen , Anmin Fu

With the development of diffusion-based customization methods like DreamBooth, individuals now have access to train the models that can generate their personalized images. Despite the convenience, malicious users have misused these…

Computer Vision and Pattern Recognition · Computer Science 2024-07-29 Yisu Liu , Jinyang An , Wanqian Zhang , Dayan Wu , Jingzi Gu , Zheng Lin , Weiping Wang

As the digital landscape becomes more interconnected, the frequency and severity of zero-day attacks, have significantly increased, leading to an urgent need for innovative Intrusion Detection Systems (IDS). Machine Learning-based IDS that…

Cryptography and Security · Computer Science 2025-05-15 Ippokratis Koukoulis , Ilias Syrigos , Thanasis Korakis

Deep neural networks (DNNs) are susceptible to backdoor attacks, where malicious functionality is embedded to allow attackers to trigger incorrect classifications. Old-school backdoor attacks use strong trigger features that can easily be…

Cryptography and Security · Computer Science 2024-04-26 Huming Qiu , Junjie Sun , Mi Zhang , Xudong Pan , Min Yang

Dataset distillation (DD) enhances training efficiency and reduces bandwidth by condensing large datasets into smaller synthetic ones. It enables models to achieve performance comparable to those trained on the raw full dataset and has…

Cryptography and Security · Computer Science 2025-02-07 Ziyuan Yang , Ming Yan , Yi Zhang , Joey Tianyi Zhou

Adversarial patch attacks that craft the pixels in a confined region of the input images show their powerful attack effectiveness in physical environments even with noises or deformations. Existing certified defenses towards adversarial…

Computer Vision and Pattern Recognition · Computer Science 2021-11-05 Husheng Han , Kaidi Xu , Xing Hu , Xiaobing Chen , Ling Liang , Zidong Du , Qi Guo , Yanzhi Wang , Yunji Chen

Deep learning models are vulnerable to backdoor attacks, where attackers inject malicious behavior through data poisoning and later exploit triggers to manipulate deployed models. To improve the stealth and effectiveness of backdoors, prior…

Cryptography and Security · Computer Science 2024-09-10 Xiaolei Liu , Ming Yi , Kangyi Ding , Bangzhou Xin , Yixiao Xu , Li Yan , Chao Shen