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Prompt learning has recently become a very efficient transfer learning paradigm for Contrastive Language Image Pretraining (CLIP) models. Compared with fine-tuning the entire encoder, prompt learning can obtain highly competitive results by…

机器学习 · 计算机科学 2024-08-30 Guoyizhe Wei , Feng Wang , Anshul Shah , Rama Chellappa

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

Pre-trained vision-language (V-L) models such as CLIP have shown excellent generalization ability to downstream tasks. However, they are sensitive to the choice of input text prompts and require careful selection of prompt templates to…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Muhammad Uzair Khattak , Hanoona Rasheed , Muhammad Maaz , Salman Khan , Fahad Shahbaz Khan

Contrastive Language-Image Pretraining (CLIP) has achieved remarkable success, but its performance can degrade when fine-tuned in out-of-distribution (OOD) scenarios. We model the prediction process using a Structural Causal Model (SCM) and…

计算机视觉与模式识别 · 计算机科学 2025-06-18 Zeen Song , Siyu Zhao , Xingyu Zhang , Jiangmeng Li , Changwen Zheng , Wenwen Qiang

Prompt tuning is a new few-shot transfer learning technique that only tunes the learnable prompt for pre-trained vision and language models such as CLIP. However, existing prompt tuning methods tend to learn spurious or entangled…

计算机视觉与模式识别 · 计算机科学 2022-11-16 Xuehai He , Diji Yang , Weixi Feng , Tsu-Jui Fu , Arjun Akula , Varun Jampani , Pradyumna Narayana , Sugato Basu , William Yang Wang , Xin Eric Wang

Recently, substantial advancements in pre-trained vision-language models have greatly enhanced the capabilities of multi-modal dialog systems. These models have demonstrated significant improvements by fine-tuning on downstream tasks.…

计算与语言 · 计算机科学 2024-01-04 Zhichao Yin , Binyuan Hui , Min Yang , Fei Huang , Yongbin Li

Contrastive Language-Image Pre-training (CLIP) has been the cornerstone for zero-shot classification, text-image retrieval, and text-image generation by aligning image and text modalities. Despite its widespread adoption, a significant…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Beichen Zhang , Pan Zhang , Xiaoyi Dong , Yuhang Zang , Jiaqi Wang

Photo search, the task of retrieving images based on textual queries, has witnessed significant advancements with the introduction of CLIP (Contrastive Language-Image Pretraining) model. CLIP leverages a vision-language pre training…

计算机视觉与模式识别 · 计算机科学 2024-01-25 Naresh Kumar Lahajal , Harini S

Contrastive Language-Image Pre-training (CLIP) achieves promising results in 2D zero-shot and few-shot learning. Despite the impressive performance in 2D, applying CLIP to help the learning in 3D scene understanding has yet to be explored.…

计算机视觉与模式识别 · 计算机科学 2023-04-07 Runnan Chen , Youquan Liu , Lingdong Kong , Xinge Zhu , Yuexin Ma , Yikang Li , Yuenan Hou , Yu Qiao , Wenping Wang

Contrastive Language-Image Pre-training (CLIP) has been shown to learn visual representations with great transferability, which achieves promising accuracy for zero-shot classification. To further improve its downstream performance,…

计算机视觉与模式识别 · 计算机科学 2022-12-20 Ziyu Guo , Renrui Zhang , Longtian Qiu , Xianzheng Ma , Xupeng Miao , Xuming He , Bin Cui

Contrastive pretraining of image-text foundation models, such as CLIP, demonstrated excellent zero-shot performance and improved robustness on a wide range of downstream tasks. However, these models utilize large transformer-based encoders…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Pavan Kumar Anasosalu Vasu , Hadi Pouransari , Fartash Faghri , Raviteja Vemulapalli , Oncel Tuzel

This paper presents a novel method that leverages a visual-language model, CLIP, as a data source for zero-shot anomaly detection. Tremendous efforts have been put towards developing anomaly detectors due to their potential industrial…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Masato Tamura

Pre-trained general-purpose language models have been a dominating component in enabling real-world natural language processing (NLP) applications. However, a pre-trained model with backdoor can be a severe threat to the applications. Most…

计算与语言 · 计算机科学 2021-11-02 Lujia Shen , Shouling Ji , Xuhong Zhang , Jinfeng Li , Jing Chen , Jie Shi , Chengfang Fang , Jianwei Yin , Ting Wang

Recent researches show that deep learning model is susceptible to backdoor attacks. Many defenses against backdoor attacks have been proposed. However, existing defense works require high computational overhead or backdoor attack…

计算机视觉与模式识别 · 计算机科学 2023-05-26 Mingfu Xue , Yinghao Wu , Zhiyu Wu , Yushu Zhang , Jian Wang , Weiqiang Liu

Contrastive Language-Image Pretraining (CLIP) stands out as a prominent method for image representation learning. Various neural architectures, spanning Transformer-based models like Vision Transformers (ViTs) to Convolutional Networks…

While the Contrastive Language-Image Pretraining(CLIP) model has achieved remarkable success in a variety of downstream vison language understanding tasks, enhancing its capability for fine-grained image-text alignment remains an active…

计算机视觉与模式识别 · 计算机科学 2025-11-07 Yicheng Xiao , Yu Chen , Haoxuan Ma , Jiale Hong , Caorui Li , Lingxiang Wu , Haiyun Guo , Jinqiao Wang

The Visual Language Model, known for its robust cross-modal capabilities, has been extensively applied in various computer vision tasks. In this paper, we explore the use of CLIP (Contrastive Language-Image Pretraining), a vision-language…

计算机视觉与模式识别 · 计算机科学 2025-02-12 Huazhong Zhao , Lei Qi , Xin Geng

The growing application of large language models (LLMs) in safety-critical domains has raised urgent concerns about their security. Many recent studies have demonstrated the feasibility of backdoor attacks against LLMs. However, existing…

密码学与安全 · 计算机科学 2026-04-24 Jiali Wei , Ming Fan , Guoheng Sun , Xicheng Zhang , Haijun Wang , Ting Liu

Finetuning image-text models such as CLIP achieves state-of-the-art accuracies on a variety of benchmarks. However, recent works like WiseFT (Wortsman et al., 2021) and LP-FT (Kumar et al., 2022) have shown that even subtle differences in…

计算机视觉与模式识别 · 计算机科学 2022-12-02 Sachin Goyal , Ananya Kumar , Sankalp Garg , Zico Kolter , Aditi Raghunathan

The recent large-scale Contrastive Language-Image Pretraining (CLIP) model has shown great potential in various downstream tasks via leveraging the pretrained vision and language knowledge. Scene text, which contains rich textual and visual…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Wenwen Yu , Yuliang Liu , Wei Hua , Deqiang Jiang , Bo Ren , Xiang Bai