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Related papers: Adversarial Backdoor Defense in CLIP

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Deep neural networks for image classification are well-known to be vulnerable to adversarial attacks. One such attack that has garnered recent attention is the adversarial backdoor attack, which has demonstrated the capability to perform…

Cryptography and Security · Computer Science 2022-06-09 Glenn Dawson , Muhammad Umer , Robi Polikar

Large pre-trained Vision-Language Models (VLMs) such as Contrastive Language-Image Pre-training (CLIP) have been shown to be susceptible to adversarial attacks, raising concerns about their deployment in safety-critical applications like…

Computer Vision and Pattern Recognition · Computer Science 2025-09-17 Lin Luo , Xin Wang , Bojia Zi , Shihao Zhao , Xingjun Ma , Yu-Gang Jiang

Adversarial attacks constitute a notable threat to machine learning systems, given their potential to induce erroneous predictions and classifications. However, within real-world contexts, the essential specifics of the deployed model are…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Jingwen Ye , Ruonan Yu , Songhua Liu , Xinchao Wang

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

The robustness of Vision-Language Models (VLMs) such as CLIP is critical for their deployment in safety-critical applications like autonomous driving, healthcare diagnostics, and security systems, where accurate interpretation of visual and…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Yuhan Liang , Yijun Li , Yumeng Niu , Qianhe Shen , Hangyu Liu

Contrastive language-image pretraining (CLIP) has been found to be vulnerable to poisoning backdoor attacks where the adversary can achieve an almost perfect attack success rate on CLIP models by poisoning only 0.01\% of the training…

Machine Learning · Computer Science 2025-02-11 Hanxun Huang , Sarah Erfani , Yige Li , Xingjun Ma , James Bailey

Pretrained language models (PLMs) perform poorly under adversarial attacks. To improve the adversarial robustness, adversarial data augmentation (ADA) has been widely adopted to cover more search space of adversarial attacks by adding…

Computation and Language · Computer Science 2021-06-08 Chenglei Si , Zhengyan Zhang , Fanchao Qi , Zhiyuan Liu , Yasheng Wang , Qun Liu , Maosong Sun

The security of the Person Re-identification(ReID) model plays a decisive role in the application of ReID. However, deep neural networks have been shown to be vulnerable, and adding undetectable adversarial perturbations to clean images can…

Computer Vision and Pattern Recognition · Computer Science 2021-04-08 Yunpeng Gong , Zhiyong Zeng , Liwen Chen , Yifan Luo , Bin Weng , Feng Ye

Pretrained large-scale vision-language models like CLIP have exhibited strong generalization over unseen tasks. Yet imperceptible adversarial perturbations can significantly reduce CLIP's performance on new tasks. In this work, we identify…

Computer Vision and Pattern Recognition · Computer Science 2023-04-24 Chengzhi Mao , Scott Geng , Junfeng Yang , Xin Wang , Carl Vondrick

Large pre-trained Vision-Language Models (VLMs) such as CLIP have demonstrated excellent zero-shot generalizability across various downstream tasks. However, recent studies have shown that the inference performance of CLIP can be greatly…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Xin Wang , Kai Chen , Jiaming Zhang , Jingjing Chen , Xingjun Ma

Contrastive Language-Image Pre-training (CLIP) on large image-caption datasets has achieved remarkable success in zero-shot classification and enabled transferability to new domains. However, CLIP is extremely more vulnerable to targeted…

Machine Learning · Computer Science 2024-06-12 Wenhan Yang , Jingdong Gao , Baharan Mirzasoleiman

As a new programming paradigm, deep learning has expanded its application to many real-world problems. At the same time, deep learning based software are found to be vulnerable to adversarial attacks. Though various defense mechanisms have…

Cryptography and Security · Computer Science 2021-03-16 Zhe Zhao , Guangke Chen , Jingyi Wang , Yiwei Yang , Fu Song , Jun Sun

Backdoor attacks represent a subtle yet effective class of cyberattacks targeting AI models, primarily due to their stealthy nature. The model behaves normally on clean data but exhibits malicious behavior only when the attacker embeds a…

Machine Learning · Computer Science 2025-09-29 Sujeevan Aseervatham , Achraf Kerzazi , Younès Bennani

Deep learning models continue to advance in accuracy, yet they remain vulnerable to adversarial attacks, which often lead to the misclassification of adversarial examples. Adversarial training is used to mitigate this problem by increasing…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Leo Hyun Park , Jaeuk Kim , Myung Gyo Oh , Jaewoo Park , Taekyoung Kwon

Multimodal contrastive learning uses various data modalities to create high-quality features, but its reliance on extensive data sources on the Internet makes it vulnerable to backdoor attacks. These attacks insert malicious behaviors…

Cryptography and Security · Computer Science 2024-10-01 Kuanrong Liu , Siyuan Liang , Jiawei Liang , Pengwen Dai , Xiaochun Cao

Deep neural networks have been widely used in many critical applications, such as autonomous vehicles and medical diagnosis. However, their security is threatened by backdoor attacks, which are achieved by adding artificial patterns to…

Machine Learning · Computer Science 2024-02-26 Dong Huang , Qingwen Bu

Deep learning-based adversarial malware detectors have yielded promising results in detecting never-before-seen malware executables without relying on expensive dynamic behavior analysis and sandbox. Despite their abilities, these detectors…

Cryptography and Security · Computer Science 2022-10-28 James Lee Hu , Mohammadreza Ebrahimi , Weifeng Li , Xin Li , Hsinchun Chen

Vision-language models like CLIP have demonstrated remarkable zero-shot transfer capabilities. However, their susceptibility to imperceptible adversarial perturbations remains a critical security concern. While test-time defenses offer a…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Zhiwei Li , Jiacheng Xue , Weining Wang , Ajian Liu , Xingyu Gao , Zhenan Sun , Qi Li

Adversarial Examples Detection (AED) is a crucial defense technique against adversarial attacks and has drawn increasing attention from the Natural Language Processing (NLP) community. Despite the surge of new AED methods, our studies show…

Computation and Language · Computer Science 2022-10-25 Fan Yin , Yao Li , Cho-Jui Hsieh , Kai-Wei Chang

Despite its prevalent use in image-text matching tasks in a zero-shot manner, CLIP has been shown to be highly vulnerable to adversarial perturbations added onto images. Recent studies propose to finetune the vision encoder of CLIP with…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Songlong Xing , Zhengyu Zhao , Nicu Sebe