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Related papers: Hiding-in-Plain-Sight (HiPS) Attack on CLIP for Ta…

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Rapid progress is being made in developing large, pretrained, task-agnostic foundational vision models such as CLIP, ALIGN, DINOv2, etc. In fact, we are approaching the point where these models do not have to be finetuned downstream, and…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Nathan Inkawhich , Gwendolyn McDonald , Ryan Luley

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

In the burgeoning domain of machine learning, the reliance on third-party services for model training and the adoption of pre-trained models have surged. However, this reliance introduces vulnerabilities to model hijacking attacks, where…

Cryptography and Security · Computer Science 2024-12-23 Xing He , Jiahao Chen , Yuwen Pu , Qingming Li , Chunyi Zhou , Yingcai Wu , Jinbao Li , Shouling Ji

Pretrained vision-language models, such as CLIP, show promising zero-shot performance across a wide variety of datasets. For closed-set classification tasks, however, there is an inherent limitation: CLIP image encoders are typically…

Computer Vision and Pattern Recognition · Computer Science 2023-09-14 Piyapat Saranrittichai , Mauricio Munoz , Volker Fischer , Chaithanya Kumar Mummadi

Despite the advanced capabilities of contemporary machine learning (ML) models, they remain vulnerable to adversarial and backdoor attacks. This vulnerability is particularly concerning in real-world deployments, where compromised models…

Adding perturbations to images can mislead classification models to produce incorrect results. Recently, researchers exploited adversarial perturbations to protect image privacy from retrieval by intelligent models. However, adding…

Computer Vision and Pattern Recognition · Computer Science 2023-01-03 Li Chen , Shaowei Zhu , Zhaoxia Yin

We introduce a new type of indirect, cross-modal injection attacks against visual language models that enable creation of self-interpreting images. These images contain hidden "meta-instructions" that control how models answer users'…

Cryptography and Security · Computer Science 2025-06-16 Tingwei Zhang , Collin Zhang , John X. Morris , Eugene Bagdasarian , Vitaly Shmatikov

Contrastive Language-Image Pre-training (CLIP) models have demonstrated remarkable performance in zero-shot classification tasks, yet their efficacy in handling complex multi-object scenarios remains challenging. This study presents a…

Computer Vision and Pattern Recognition · Computer Science 2025-02-28 Reza Abbasi , Ali Nazari , Aminreza Sefid , Mohammadali Banayeeanzade , Mohammad Hossein Rohban , Mahdieh Soleymani Baghshah

Although massive pre-trained vision-language models like CLIP show impressive generalization capabilities for many tasks, still it often remains necessary to fine-tune them for improved performance on specific datasets. When doing so, it is…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Moritz Ibing , Isaak Lim , Leif Kobbelt

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…

Machine Learning · Computer Science 2024-07-24 Dominik Hintersdorf , Lukas Struppek , Daniel Neider , Kristian Kersting

Hateful memes are a growing menace on social media. While the image and its corresponding text in a meme are related, they do not necessarily convey the same meaning when viewed individually. Hence, detecting hateful memes requires careful…

Computation and Language · Computer Science 2022-10-18 Gokul Karthik Kumar , Karthik Nandakumar

Vision-Language Models (VLMs), such as CLIP, have achieved impressive zero-shot recognition performance but remain highly susceptible to adversarial perturbations, posing significant risks in safety-critical scenarios. Previous…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Zhiwei Li , Yitian Pang , Weining Wang , Zhenan Sun , Qi Li

Multimodal contrastive learning methods like CLIP train on noisy and uncurated training datasets. This is cheaper than labeling datasets manually, and even improves out-of-distribution robustness. We show that this practice makes backdoor…

Machine Learning · Computer Science 2022-03-29 Nicholas Carlini , Andreas Terzis

Vision-language models like CLIP have shown impressive capabilities in aligning images and text, but they often struggle with lengthy and detailed text descriptions because of their training focus on short and concise captions. We present…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Hyungyu Choi , Young Kyun Jang , Chanho Eom

While pre-trained Vision-Language Models (VLMs) such as CLIP exhibit impressive representational capabilities for multimodal data, recent studies have revealed their vulnerability to backdoor attacks. To alleviate the threat, existing…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Jiawei Kong , Hao Fang , Sihang Guo , Chenxi Qing , Kuofeng Gao , Bin Chen , Shu-Tao Xia , Ke Xu

Regarding image forensics, researchers have proposed various approaches to detect and/or localize manipulations, such as splices. Recent best performing image-forensics algorithms greatly benefit from the application of deep learning, but…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Andras Rozsa , Zheng Zhong , Terrance E. Boult

This study introduces a novel approach to online embedding of multi-scale CLIP (Contrastive Language-Image Pre-Training) features into 3D maps. By harnessing CLIP, this methodology surpasses the constraints of conventional…

Robotics · Computer Science 2024-03-28 Shun Taguchi , Hideki Deguchi

Large Vision-Language Models (LVLMs) have demonstrated their powerful multimodal capabilities. However, they also face serious safety problems, as adversaries can induce robustness issues in LVLMs through the use of well-designed…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Yudong Zhang , Ruobing Xie , Jiansheng Chen , Xingwu Sun , Yu Wang

With the rapid advancement of multimodal learning, pre-trained Vision-Language Models (VLMs) such as CLIP have demonstrated remarkable capacities in bridging the gap between visual and language modalities. However, these models remain…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Jiaming Zhang , Xingjun Ma , Xin Wang , Lingyu Qiu , Jiaqi Wang , Yu-Gang Jiang , Jitao Sang

Multimodal Large Language Models (MLLMs) have achieved remarkable performance across vision-language tasks. Recent advancements allow these models to process multiple images as inputs. However, the vulnerabilities of multi-image MLLMs…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Alvi Md Ishmam , Najibul Haque Sarker , Zaber Ibn Abdul Hakim , Chris Thomas