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As machine learning (ML) systems are being increasingly employed in the real world to handle sensitive tasks and make decisions in various fields, the security and privacy of those models have also become increasingly critical. In…

密码学与安全 · 计算机科学 2023-02-21 Marwan Omar

Several multi-modality representation learning approaches such as LXMERT and ViLBERT have been proposed recently. Such approaches can achieve superior performance due to the high-level semantic information captured during large-scale…

计算机视觉与模式识别 · 计算机科学 2020-07-28 Lei Shi , Kai Shuang , Shijie Geng , Peng Su , Zhengkai Jiang , Peng Gao , Zuohui Fu , Gerard de Melo , Sen Su

Contrastive image-text models such as CLIP form the building blocks of many state-of-the-art systems. While they excel at recognizing common generic concepts, they still struggle on fine-grained entities which are rare, or even absent from…

计算机视觉与模式识别 · 计算机科学 2024-02-22 Ahmet Iscen , Mathilde Caron , Alireza Fathi , Cordelia Schmid

The surge in multimodal AI's success has sparked concerns over data privacy in vision-and-language tasks. While CLIP has revolutionized multimodal learning through joint training on images and text, its potential to unintentionally disclose…

机器学习 · 计算机科学 2024-03-04 Alyssa Huang , Peihan Liu , Ryumei Nakada , Linjun Zhang , Wanrong Zhang

Vision-Language Pre-training (VLP) models like CLIP have achieved remarkable success in computer vision and particularly demonstrated superior robustness to distribution shifts of 2D images. However, their robustness under 3D viewpoint…

计算机视觉与模式识别 · 计算机科学 2024-04-19 Shouwei Ruan , Yinpeng Dong , Hanqing Liu , Yao Huang , Hang Su , Xingxing Wei

Machine learning models are known to be vulnerable to adversarial attacks, but traditional attacks have mostly focused on single-modalities. With the rise of large multi-modal models (LMMs) like CLIP, which combine vision and language…

机器学习 · 计算机科学 2024-10-18 Arka Daw , Megan Hong-Thanh Chung , Maria Mahbub , Amir Sadovnik

Vision Transformers (ViTs) have a radically different architecture with significantly less inductive bias than Convolutional Neural Networks. Along with the improvement in performance, security and robustness of ViTs are also of great…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Khoa D. Doan , Yingjie Lao , Peng Yang , Ping Li

Vision-Language Models (VLMs) such as CLIP have shown remarkable performance in cross-modal tasks through large-scale contrastive pre-training. To adapt these large transformer-based models efficiently for downstream tasks,…

机器学习 · 计算机科学 2025-09-29 Sajjad Ghiasvand , Haniyeh Ehsani Oskouie , Mahnoosh Alizadeh , Ramtin Pedarsani

Deep Neural Networks (DNNs) are susceptible to backdoor attacks, where adversaries poison training data to implant backdoor into the victim model. Current backdoor defenses on poisoned data often suffer from high computational costs or low…

多媒体 · 计算机科学 2025-07-28 Binyan Xu , Fan Yang , Xilin Dai , Di Tang , Kehuan Zhang

The proliferation of large AI models trained on uncurated, often sensitive web-scraped data has raised significant privacy concerns. One of the concerns is that adversaries can extract information about the training data using privacy…

机器学习 · 计算机科学 2024-07-24 Dominik Hintersdorf , Lukas Struppek , Daniel Neider , Kristian Kersting

Contrastive vision-language models, such as CLIP, have garnered considerable attention for various downstream tasks, mainly due to the remarkable ability of the learned features for generalization. However, the features they learned often…

计算机视觉与模式识别 · 计算机科学 2025-04-24 Yichao Cai , Yuhang Liu , Zhen Zhang , Javen Qinfeng Shi

Contrastive Language-Image Pre-training (CLIP) has become a cornerstone in multimodal intelligence. However, recent studies discovered that CLIP can only encode one aspect of the feature space, leading to substantial information loss and…

计算机视觉与模式识别 · 计算机科学 2025-05-29 Jihai Zhang , Xiaoye Qu , Tong Zhu , Yu Cheng

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…

密码学与安全 · 计算机科学 2025-03-07 Haiyang Yu , Tian Xie , Jiaping Gui , Pengyang Wang , Ping Yi , Yue Wu

Contrastive Language-Image Pretraining (CLIP) model has exhibited remarkable efficacy in establishing cross-modal connections between texts and images, yielding impressive performance across a broad spectrum of downstream applications…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Yi Zhang , Ce Zhang , Ke Yu , Yushun Tang , Zhihai He

Model reprogramming adapts pretrained models to downstream tasks by modifying only the input and output spaces. Visual reprogramming (VR) is one instance for vision tasks that adds a trainable noise pattern (i.e., a visual prompt) to input…

机器学习 · 计算机科学 2025-06-03 Chengyi Cai , Zesheng Ye , Lei Feng , Jianzhong Qi , Feng Liu

Typographic attacks exploit multi-modal systems by injecting text into images, leading to targeted misclassifications, malicious content generation and even Vision-Language Model jailbreaks. In this work, we analyze how CLIP vision encoders…

计算机视觉与模式识别 · 计算机科学 2026-02-27 Lorenz Hufe , Constantin Venhoff , Erblina Purelku , Maximilian Dreyer , Sebastian Lapuschkin , Wojciech Samek

Trustworthy multi-view learning has attracted extensive attention because evidence learning can provide reliable uncertainty estimation to enhance the credibility of multi-view predictions. Existing trusted multi-view learning methods…

机器学习 · 计算机科学 2025-05-22 Xuyang Wang , Siyuan Duan , Qizhi Li , Guiduo Duan , Yuan Sun , Dezhong Peng

Contrastive Language-Image Pretraining (CLIP) has achieved remarkable success, leading to rapid advancements in multimodal studies. However, CLIP faces a notable challenge in terms of inefficient data utilization. It relies on a single…

计算机视觉与模式识别 · 计算机科学 2024-06-05 Yu Zhang , Qi Zhang , Zixuan Gong , Yiwei Shi , Yepeng Liu , Duoqian Miao , Yang Liu , Ke Liu , Kun Yi , Wei Fan , Liang Hu , Changwei Wang

Efficiently adapting large Vision-Language Models (VLMs) like CLIP for few-shot learning poses challenges in balancing pre-trained knowledge retention and task-specific adaptation. Existing methods often overlook valuable structural…

计算机视觉与模式识别 · 计算机科学 2025-05-06 Dazhi Huang

Vision-Language Models (VLMs) face significant safety vulnerabilities from malicious prompt attacks due to weakened alignment during visual integration. Existing defenses suffer from efficiency and robustness. To address these challenges,…

机器学习 · 计算机科学 2026-04-09 Peigui Qi , Kunsheng Tang , Yanpu Yu , Jialin Wu , Yide Song , Wenbo Zhou , Zhicong Huang , Cheng Hong , Weiming Zhang , Nenghai Yu