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Contrastive language-image pre-training (CLIP) is a powerful vision-language model that has shown great benefits for various tasks. However, we have identified some issues with its explainability, which undermine its credibility and limit…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Yi Li , Hualiang Wang , Yiqun Duan , Jiheng Zhang , Xiaomeng Li

Contrastive Language-Image Pre-training (CLIP) models have demonstrated remarkable generalization capabilities across multiple challenging distribution shifts. However, there is still much to be explored in terms of their robustness to the…

计算机视觉与模式识别 · 计算机科学 2024-02-13 Weijie Tu , Weijian Deng , Tom Gedeon

Large-scale but noisy image-text pair data have paved the way for the success of Contrastive Language-Image Pretraining (CLIP). As the foundation vision encoder, CLIP in turn serves as the cornerstone for most large vision-language models…

计算机视觉与模式识别 · 计算机科学 2025-07-31 Zhixiang Wei , Guangting Wang , Xiaoxiao Ma , Ke Mei , Huaian Chen , Yi Jin , Fengyun Rao

Contrastive Language-Image Pre-training (CLIP) has significantly improved performance in various vision-language tasks by expanding the dataset with image-text pairs obtained from websites. This paper further explores CLIP from the…

计算机视觉与模式识别 · 计算机科学 2024-09-24 Tiancheng Gu , Kaicheng Yang , Xiang An , Ziyong Feng , Dongnan Liu , Weidong Cai , Jiankang Deng

Understanding the memorization and privacy leakage risks in Contrastive Language--Image Pretraining (CLIP) is critical for ensuring the security of multimodal models. Recent studies have demonstrated the feasibility of extracting sensitive…

密码学与安全 · 计算机科学 2026-05-22 Yunhao Chen , Shujie Wang , Xin Wang , Ran He , Xingjun Ma , Yu-Gang Jiang

While multimodal contrastive learning methods (e.g., CLIP) can achieve impressive zero-shot classification performance, recent research has revealed that these methods are vulnerable to backdoor attacks. To defend against backdoor attacks…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Yuwei Niu , Shuo He , Qi Wei , Zongyu Wu , Feng Liu , Lei Feng

Text-guided image generation aimed to generate desired images conditioned on given texts, while text-guided image manipulation refers to semantically edit parts of a given image based on specified texts. For these two similar tasks, the key…

计算机视觉与模式识别 · 计算机科学 2023-09-22 Xiaozhou You , Jian Zhang

Vision-Language models like CLIP have been shown to be highly effective at linking visual perception and natural language understanding, enabling sophisticated image-text capabilities, including strong retrieval and zero-shot classification…

机器学习 · 计算机科学 2026-04-08 Naman Deep Singh , Francesco Croce , Matthias Hein

Contrastive Language-Image Pre-training (CLIP) on large-scale image-caption datasets learns representations that can achieve remarkable zero-shot generalization. However, such models require a massive amount of pre-training data. Improving…

计算机视觉与模式识别 · 计算机科学 2024-03-21 Siddharth Joshi , Arnav Jain , Ali Payani , Baharan Mirzasoleiman

Large-scale vision-and-language models, such as CLIP, are typically trained on web-scale data, which can introduce inappropriate content and lead to the development of unsafe and biased behavior. This, in turn, hampers their applicability…

计算机视觉与模式识别 · 计算机科学 2024-07-25 Samuele Poppi , Tobia Poppi , Federico Cocchi , Marcella Cornia , Lorenzo Baraldi , Rita Cucchiara

Despite the recent success of image-text contrastive models like CLIP and SigLIP, these models often struggle with vision-centric tasks that demand high-fidelity image understanding, such as counting, depth estimation, and fine-grained…

计算机视觉与模式识别 · 计算机科学 2025-04-09 Zineng Tang , Long Lian , Seun Eisape , XuDong Wang , Roei Herzig , Adam Yala , Alane Suhr , Trevor Darrell , David M. Chan

Large-scale vision-language pre-training has achieved promising results on downstream tasks. Existing methods highly rely on the assumption that the image-text pairs crawled from the Internet are in perfect one-to-one correspondence.…

计算机视觉与模式识别 · 计算机科学 2022-05-31 Yuting Gao , Jinfeng Liu , Zihan Xu , Jun Zhang , Ke Li , Rongrong Ji , Chunhua Shen

Recent advances in contrastive representation learning over paired image-text data have led to models such as CLIP that achieve state-of-the-art performance for zero-shot classification and distributional robustness. Such models typically…

计算机视觉与模式识别 · 计算机科学 2022-10-28 Shashank Goel , Hritik Bansal , Sumit Bhatia , Ryan A. Rossi , Vishwa Vinay , Aditya Grover

After pre-training on extensive image-text pairs, Contrastive Language-Image Pre-training (CLIP) demonstrates promising performance on a wide variety of benchmarks. However, a substantial volume of multimodal interleaved documents remains…

计算机视觉与模式识别 · 计算机科学 2025-08-06 Tiancheng Gu , Kaicheng Yang , Chaoyi Zhang , Yin Xie , Xiang An , Ziyong Feng , Dongnan Liu , Weidong Cai , Jiankang Deng

Large-scale Pre-Training Vision-Language Model such as CLIP has demonstrated outstanding performance in zero-shot classification, e.g. achieving 76.3% top-1 accuracy on ImageNet without seeing any example, which leads to potential benefits…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Xuefeng Hu , Ke Zhang , Lu Xia , Albert Chen , Jiajia Luo , Yuyin Sun , Ken Wang , Nan Qiao , Xiao Zeng , Min Sun , Cheng-Hao Kuo , Ram Nevatia

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

As a pioneering vision-language model, CLIP (Contrastive Language-Image Pre-training) has achieved significant success across various domains and a wide range of downstream vision-language tasks. However, the text encoders in popular CLIP…

计算机视觉与模式识别 · 计算机科学 2025-04-03 Mothilal Asokan , Kebin Wu , Fatima Albreiki

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

Language-image pre-training is an effective technique for learning powerful representations in general domains. However, when directly turning to person representation learning, these general pre-training methods suffer from unsatisfactory…

计算机视觉与模式识别 · 计算机科学 2024-05-30 Jialong Zuo , Jiahao Hong , Feng Zhang , Changqian Yu , Hanyu Zhou , Changxin Gao , Nong Sang , Jingdong Wang

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