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Related papers: WinCLIP: Zero-/Few-Shot Anomaly Classification and…

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Vision-language models (VLMs) such as CLIP achieve zero-shot transfer across various tasks by pre-training on numerous image-text pairs. These models often benefit from using an ensemble of context prompts to represent a class. Despite…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Zhi Chen , Xin Yu , Xiaohui Tao , Yan Li , Zi Huang

Recent adaptations can boost the low-shot capability of Contrastive Vision-Language Pre-training (CLIP) by effectively facilitating knowledge transfer. However, these adaptation methods are usually operated on the global view of an input…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Jinda Lu , Shuo Wang , Yanbin Hao , Haifeng Liu , Xiang Wang , Meng Wang

Large vision-language models (VLMs) are shown to learn rich joint image-text representations enabling high performances in relevant downstream tasks. However, they fail to showcase their quantitative understanding of objects, and they lack…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Harshvardhan Mestha , Tejas Agrawal , Karan Bania , Shreyas V , Yash Bhisikar

This study proposes a novel few-shot crack image classification model based on CLIP and Bayesian optimization. By combining multimodal information and Bayesian approach, the model achieves efficient classification of crack images in a small…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Yingchao Zhang , Cheng Liu

Contrastive Language-Image Pre-training (CLIP) has shown powerful zero-shot learning performance. Few-shot learning aims to further enhance the transfer capability of CLIP by giving few images in each class, aka 'few shots'. Most existing…

Computer Vision and Pattern Recognition · Computer Science 2024-04-22 Yaohui Li , Qifeng Zhou , Haoxing Chen , Jianbing Zhang , Xinyu Dai , Hao Zhou

Current Large Vision Language Models (LVLMs) excel at many zero-shot tasks like image captioning, visual question answering and OCR. However, these same models suffer from poor performance at image classification tasks, underperforming…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Adhemar de Senneville , Xavier Bou , Jérémy Anger , Rafael Grompone , Gabriele Facciolo

Vision-language models like CLIP have demonstrated remarkable zero-shot capabilities in classification and retrieval. However, these models often struggle with compositional reasoning - the ability to understand the relationships between…

Machine Learning · Computer Science 2025-10-29 Amit Peleg , Naman Deep Singh , Matthias Hein

Weakly Supervised Video Anomaly Detection (WSVAD) is challenging because the binary anomaly label is only given on the video level, but the output requires snippet-level predictions. So, Multiple Instance Learning (MIL) is prevailing in…

Computer Vision and Pattern Recognition · Computer Science 2023-03-23 Hui Lv , Zhongqi Yue , Qianru Sun , Bin Luo , Zhen Cui , Hanwang Zhang

Recent vision-language models (e.g., CLIP) have demonstrated remarkable class-generalizable ability to unseen classes in few-shot anomaly segmentation (FSAS), leveraging supervised prompt learning or fine-tuning on seen classes. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-22 Zhen Qu , Xian Tao , Xinyi Gong , ShiChen Qu , Xiaopei Zhang , Xingang Wang , Fei Shen , Zhengtao Zhang , Mukesh Prasad , Guiguang Ding

Recent advances in contrastive language-image pretraining (CLIP) have demonstrated strong capabilities in zero-shot classification by aligning visual representations with target text embeddings in an image level. However, in dense…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Feng Wang , Jieru Mei , Alan Yuille

The recent CLIP-based methods have shown promising zero-shot and few-shot performance on image classification tasks. Existing approaches such as CoOp and Tip-Adapter only focus on high-level visual features that are fully aligned with…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Jiaying Shi , Xuetong Xue , Shenghui Xu

This paper describes our zero-shot approaches for the Visual Word Sense Disambiguation (VWSD) Task in English. Our preliminary study shows that the simple approach of matching candidate images with the phrase using CLIP suffers from the…

Computation and Language · Computer Science 2023-07-13 Jie S. Li , Yow-Ting Shiue , Yong-Siang Shih , Jonas Geiping

Vision-language models, such as CLIP, have shown impressive generalization capacities when using appropriate text descriptions. While optimizing prompts on downstream labeled data has proven effective in improving performance, these methods…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Xingyu Zhu , Beier Zhu , Yi Tan , Shuo Wang , Yanbin Hao , Hanwang Zhang

Pre-trained vision-language models, e.g., CLIP, have been successfully applied to zero-shot semantic segmentation. Existing CLIP-based approaches primarily utilize visual features from the last layer to align with text embeddings, while…

Computer Vision and Pattern Recognition · Computer Science 2024-06-07 Yunheng Li , ZhongYu Li , Quansheng Zeng , Qibin Hou , Ming-Ming Cheng

Ordinal regression is a fundamental problem within the field of computer vision, with customised well-trained models on specific tasks. While pre-trained vision-language models (VLMs) have exhibited impressive performance on various vision…

Computer Vision and Pattern Recognition · Computer Science 2024-08-08 Yao Du , Qiang Zhai , Weihang Dai , Xiaomeng Li

Vision and language models (VLMs) such as CLIP have showcased remarkable zero-shot recognition abilities yet face challenges in visio-linguistic compositionality, particularly in linguistic comprehension and fine-grained image-text…

Computer Vision and Pattern Recognition · Computer Science 2024-06-14 Youngtaek Oh , Pyunghwan Ahn , Jinhyung Kim , Gwangmo Song , Soonyoung Lee , In So Kweon , Junmo Kim

Detecting anomalies in surveillance footage is inherently challenging due to their unpredictable and context-dependent nature. This work introduces a novel context-aware zero-shot anomaly detection framework that identifies abnormal events…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Md. Rashid Shahriar Khan , Md. Abrar Hasan , Mohammod Tareq Aziz Justice

Latent image representations arising from vision-language models have proved immensely useful for a variety of downstream tasks. However, their utility is limited by their entanglement with respect to different visual attributes. For…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 James Oldfield , Christos Tzelepis , Yannis Panagakis , Mihalis A. Nicolaou , Ioannis Patras

Large Vision Language Models (VLMs), such as CLIP, have significantly contributed to various computer vision tasks, including object recognition and object detection. Their open vocabulary feature enhances their value. However, their…

Computer Vision and Pattern Recognition · Computer Science 2024-04-22 Ali Rasekh , Sepehr Kazemi Ranjbar , Milad Heidari , Wolfgang Nejdl

With the popularity of foundational models, parameter efficient fine tuning has become the defacto approach to leverage pretrained models to perform downstream tasks. Taking inspiration from recent advances in large language models, Visual…

Image and Video Processing · Electrical Eng. & Systems 2025-01-08 Aadya Arora , Vinay Namboodiri