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Related papers: BiPrompt: Bilateral Prompt Optimization for Visual…

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Pre-trained on tremendous image-text pairs, vision-language models like CLIP have demonstrated promising zero-shot generalization across numerous image-based tasks. However, extending these capabilities to video tasks remains challenging…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Zichen Liu , Kunlun Xu , Bing Su , Xu Zou , Yuxin Peng , Jiahuan Zhou

Multimodal pre-trained models, such as CLIP, are popular for zero-shot classification due to their open-vocabulary flexibility and high performance. However, vision-language models, which compute similarity scores between images and class…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Mia Chiquier , Utkarsh Mall , Carl Vondrick

Pretrained vision-language models (VLMs) such as CLIP have shown impressive generalization capability in downstream vision tasks with appropriate text prompts. Instead of designing prompts manually, Context Optimization (CoOp) has been…

Computer Vision and Pattern Recognition · Computer Science 2023-02-15 Chengcheng Ma , Yang Liu , Jiankang Deng , Lingxi Xie , Weiming Dong , Changsheng Xu

In this paper, we demonstrate that CLIP can also be adapted to downstream tasks where its vision-language alignment is suboptimally learned during pre-training on web-crawled data, all without requiring fine-tuning. We explore the case of…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Sohee Kim , Jisu Kang , Dunam Kim , Seokju Lee

Zero-shot anomaly detection (ZSAD) targets the identification of anomalies within images from arbitrary novel categories. This study introduces AdaCLIP for the ZSAD task, leveraging a pre-trained vision-language model (VLM), CLIP. AdaCLIP…

Computer Vision and Pattern Recognition · Computer Science 2025-02-17 Yunkang Cao , Jiangning Zhang , Luca Frittoli , Yuqi Cheng , Weiming Shen , Giacomo Boracchi

Recent advances in brain-inspired artificial intelligence have sought to align neural signals with visual semantics using multimodal models such as CLIP. However, existing methods often treat CLIP as a static feature extractor, overlooking…

Information Retrieval · Computer Science 2025-11-13 Jiyuan Wang , Li Zhang , Haipeng Lin , Qile Liu , Gan Huang , Ziyu Li , Zhen Liang , Xia Wu

Medical Vision-Language Models (Med-VLMs) have demonstrated remarkable performance across diverse medical imaging tasks by leveraging large-scale image-text pretraining. However, their confidence calibration is largely unexplored, and so…

Computer Vision and Pattern Recognition · Computer Science 2025-09-19 Abhishek Basu , Fahad Shamshad , Ashshak Sharifdeen , Karthik Nandakumar , Muhammad Haris Khan

Sub-population shift is a specific type of domain shift that highlights changes in data distribution within specific sub-groups or populations between training and testing. Sub-population shift accounts for a significant source of…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Yijiang Pang , Bao Hoang , Jiayu Zhou

Recent studies have demonstrated that natural-language prompts can help to leverage the knowledge learned by pre-trained language models for the binary sentence-level sentiment classification task. Specifically, these methods utilize…

Computation and Language · Computer Science 2023-07-04 Mohna Chakraborty , Adithya Kulkarni , Qi Li

Dense visual prediction tasks have been constrained by their reliance on predefined categories, limiting their applicability in real-world scenarios where visual concepts are unbounded. While Vision-Language Models (VLMs) like CLIP have…

Computer Vision and Pattern Recognition · Computer Science 2025-05-08 Junjie Wang , Bin Chen , Yulin Li , Bin Kang , Yichi Chen , Zhuotao Tian

Zero-shot action recognition is challenging due to the semantic gap between seen and unseen classes. We present a novel framework that enhances CLIP with disentangled embeddings and semantic-guided interaction. A Motion Separation Module…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Yiming Wang , Frederick W. B. Li , Jingyun Wang

We present SelfPrompt, a novel prompt-tuning approach for vision-language models (VLMs) in a semi-supervised learning setup. Existing methods for tuning VLMs in semi-supervised setups struggle with the negative impact of the miscalibrated…

Computer Vision and Pattern Recognition · Computer Science 2025-01-30 Shuvendu Roy , Ali Etemad

Data-Free Knowledge Distillation (DFKD) has shown great potential in creating a compact student model while alleviating the dependency on real training data by synthesizing surrogate data. However, prior arts are seldom discussed under…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Yunyi Xuan , Weijie Chen , Shicai Yang , Di Xie , Luojun Lin , Yueting Zhuang

With the increasing attention to large vision-language models such as CLIP, there has been a significant amount of effort dedicated to building efficient prompts. Unlike conventional methods of only learning one single prompt, we propose to…

Computer Vision and Pattern Recognition · Computer Science 2023-02-13 Guangyi Chen , Weiran Yao , Xiangchen Song , Xinyue Li , Yongming Rao , Kun Zhang

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…

Computer Vision and Pattern Recognition · Computer Science 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

Contrastive Language-Image Pre-training (CLIP) has drawn increasing attention recently for its transferable visual representation learning. However, due to the semantic gap within datasets, CLIP's pre-trained image-text alignment becomes…

Computer Vision and Pattern Recognition · Computer Science 2023-08-11 Longtian Qiu , Renrui Zhang , Ziyu Guo , Ziyao Zeng , Zilu Guo , Yafeng Li , Guangnan Zhang

We propose DiffCLIP, a novel vision-language model that extends the differential attention mechanism to CLIP architectures. Differential attention was originally developed for large language models to amplify relevant context while…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Hasan Abed Al Kader Hammoud , Bernard Ghanem

Contrastive Language-Image Pretraining (CLIP) enables zero-shot inference in downstream tasks such as image-text retrieval and classification. However, recent works extending CLIP suffer from the issue of modality gap, which arises when the…

Machine Learning · Computer Science 2024-12-20 Na Min An , Eunki Kim , James Thorne , Hyunjung Shim

The notable gap between user-provided and model-preferred prompts poses a significant challenge for generating high-quality images with text-to-image models, compelling the need for prompt engineering. Current studies on prompt engineering…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Shiyu Wu , Mingzhen Sun , Weining Wang , Yequan Wang , Jing Liu

Pre-trained vision-language models (VLMs), exemplified by CLIP, demonstrate remarkable adaptability across zero-shot classification tasks without additional training. However, their performance diminishes in the presence of domain shifts.…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Gustavo Adolfo Vargas Hakim , David Osowiechi , Mehrdad Noori , Milad Cheraghalikhani , Ali Bahri , Moslem Yazdanpanah , Ismail Ben Ayed , Christian Desrosiers