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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

Unsupervised adaptation of CLIP-based vision-language models (VLMs) for fine-grained image classification requires sensitivity to microscopic local cues. While CLIP exhibits strong zero-shot transfer, its reliance on coarse global features…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Sathira Silva , Eman Ali , Chetan Arora , Muhammad Haris Khan

The deployment of vision-language models (VLMs) in dermatology is hindered by the trilemma of high computational costs, extreme data scarcity, and the black-box nature of deep learning. To address these challenges, we present SkinCLIP-VL, a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Zhixiang Lu , Shijie Xu , Kaicheng Yan , Xuyue Cai , Chong Zhang , Yulong Li , Angelos Stefanidis , Anh Nguyen , Jionglong Su

CLIP (Contrastive Language-Image Pre-Training) has shown remarkable zero-shot transfer capabilities in cross-modal correlation tasks such as visual classification and image retrieval. However, its performance in cross-modal generation tasks…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Junyang Wang , Yi Zhang , Ming Yan , Ji Zhang , Jitao Sang

Zero-shot medical image classification is a critical process in real-world scenarios where we have limited access to all possible diseases or large-scale annotated data. It involves computing similarity scores between a query medical image…

Image and Video Processing · Electrical Eng. & Systems 2023-07-06 Jiaxiang Liu , Tianxiang Hu , Yan Zhang , Xiaotang Gai , Yang Feng , Zuozhu Liu

Vision-Language Models (VLMs) have shown strong performance in zero-shot image classification tasks. However, existing methods, including Contrastive Language-Image Pre-training (CLIP), all rely on annotated text-to-image pairs for aligning…

Computer Vision and Pattern Recognition · Computer Science 2026-01-22 Dianxing Shi , Dingjie Fu , Yuqiao Liu , Jun Wang

Contrastive language-image pretraining (CLIP) using image-text pairs has achieved impressive results on image classification in both zero-shot and transfer learning settings. However, we show that directly applying such models to recognize…

Computer Vision and Pattern Recognition · Computer Science 2021-12-17 Yiwu Zhong , Jianwei Yang , Pengchuan Zhang , Chunyuan Li , Noel Codella , Liunian Harold Li , Luowei Zhou , Xiyang Dai , Lu Yuan , Yin Li , Jianfeng Gao

Accurate classification of focal liver lesions is crucial for diagnosis and treatment in hepatology. However, traditional supervised deep learning models depend on large-scale annotated datasets, which are often limited in medical imaging.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Song Jian , Hu Yuchang , Wang Hui , Chen Yen-Wei

Contrastive Language-Image Pre-Training (CLIP) has enabled zero-shot classification in radiology, reducing reliance on manual annotations. However, conventional contrastive learning struggles with normal case detection due to its strict…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Junhyun Park , Chanyu Moon , Donghwan Lee , Kyungsu Kim , Minho Hwang

Fine-tuning vision-language models (VLMs) like CLIP to downstream tasks is often necessary to optimize their performance. However, a major obstacle is the limited availability of labeled data. We study the use of pseudolabels, i.e.,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-11 Cristina Menghini , Andrew Delworth , Stephen H. Bach

Despite their impressive zero-shot abilities, vision-language models such as CLIP have been shown to be susceptible to adversarial attacks. To enhance its adversarial robustness, recent studies finetune the pretrained vision encoder of CLIP…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Songlong Xing , Weijie Wang , Zhengyu Zhao , Jindong Gu , Philip Torr , Nicu Sebe

Vision-language models such as CLIP are pretrained on large volumes of internet sourced image and text pairs, and have been shown to sometimes exhibit impressive zero- and low-shot image classification performance. However, due to their…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Omiros Pantazis , Gabriel Brostow , Kate Jones , Oisin Mac Aodha

Large Vision-Language Models (LVLMs) have made significant strides in multimodal comprehension, thanks to extensive pre-training and fine-tuning on large-scale visual datasets. However, despite their robust textual safety mechanisms, they…

Computation and Language · Computer Science 2025-03-04 Wei Zhao , Zhe Li , Yige Li , Jun Sun

Pre-trained vision-language models (VLMs) like CLIP have demonstrated impressive zero-shot performance on a wide range of downstream computer vision tasks. However, there still exists a considerable performance gap between these models and…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Bardia Safaei , Vishal M. Patel

The accurate interpretation of chest radiographs using automated methods is a critical task in medical imaging. This paper presents a comparative analysis between a supervised lightweight Convolutional Neural Network (CNN) and a…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Ran Tong , Jiaqi Liu , Tong Wang , Xin Hu , Su Liu , Lanruo Wang , Jiexi Xu

While vision-language models like CLIP have advanced zero-shot surgical phase recognition, they struggle with fine-grained surgical activities, especially action triplets. This limitation arises because current CLIP formulations rely on…

Computer Vision and Pattern Recognition · Computer Science 2025-03-30 Saurav Sharma , Didier Mutter , Nicolas Padoy

Vision-language models (VLMs), e.g., CLIP, have shown remarkable potential in zero-shot image classification. However, adapting these models to new domains remains challenging, especially in unsupervised settings where labeled data is…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Eman Ali , Sathira Silva , Muhammad Haris Khan

Artificial intelligence (AI) shows great potential in assisting radiologists to improve the efficiency and accuracy of medical image interpretation and diagnosis. However, a versatile AI model requires large-scale data and comprehensive…

Computer Vision and Pattern Recognition · Computer Science 2025-01-27 Zhongyi Shui , Jianpeng Zhang , Weiwei Cao , Sinuo Wang , Ruizhe Guo , Le Lu , Lin Yang , Xianghua Ye , Tingbo Liang , Qi Zhang , Ling Zhang

Vision-Language Models (VLMs), particularly CLIP, have revolutionized anomaly detection by enabling zero-shot and few-shot defect identification without extensive labeled datasets. By learning aligned representations of images and text,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Mohit Kakda , Mirudula Shri Muthukumaran , Uttapreksha Patel , Lawrence Swaminathan Xavier Prince

Current facial expression recognition (FER) models are often designed in a supervised learning manner and thus are constrained by the lack of large-scale facial expression images with high-quality annotations. Consequently, these models…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Zengqun Zhao , Yu Cao , Shaogang Gong , Ioannis Patras