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The Contrastive Language-Image Pre-training (CLIP) has recently shown remarkable generalization on "zero-shot" training and has applied to many downstream tasks. We explore the adaptation of CLIP to achieve a more efficient and generalized…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Qiang Wang , Junlong Du , Ke Yan , Shouhong Ding

Open-world object detection, as a more general and challenging goal, aims to recognize and localize objects described by arbitrary category names. The recent work GLIP formulates this problem as a grounding problem by concatenating all…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Lewei Yao , Jianhua Han , Youpeng Wen , Xiaodan Liang , Dan Xu , Wei Zhang , Zhenguo Li , Chunjing Xu , Hang Xu

Contrastive Language-Image Pre-training (CLIP) has recently shown great promise in pixel-level zero-shot learning tasks. However, existing approaches utilizing CLIP's text and patch embeddings to generate semantic masks often misidentify…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Jingyao Li , Pengguang Chen , Shengju Qian , Shu Liu , Jiaya Jia

Vision-language models, such as contrastive language-image pre-training (CLIP), have demonstrated impressive results in natural image domains. However, these models often struggle when applied to specialized domains like remote sensing, and…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Sangwoo Mo , Minkyu Kim , Kyungmin Lee , Jinwoo Shin

Prompt tuning, a parameter- and data-efficient transfer learning paradigm that tunes only a small number of parameters in a model's input space, has become a trend in the vision community since the emergence of large vision-language models…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Yuhang Zang , Wei Li , Kaiyang Zhou , Chen Huang , Chen Change Loy

As machine learning evolves, domain generalization (DG) and domain adaptation (DA) have become crucial for enhancing model robustness across diverse environments. Contrastive Language-Image Pretraining (CLIP) plays a significant role in…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Jindong Li , Yongguang Li , Yali Fu , Jiahong Liu , Yixin Liu , Menglin Yang , Irwin King

Large-scale multi-modal training with image-text pairs imparts strong generalization to CLIP model. Since training on a similar scale for videos is infeasible, recent approaches focus on the effective transfer of image-based CLIP to the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Hanoona Rasheed , Muhammad Uzair Khattak , Muhammad Maaz , Salman Khan , Fahad Shahbaz Khan

We propose a novel unsupervised backlit image enhancement method, abbreviated as CLIP-LIT, by exploring the potential of Contrastive Language-Image Pre-Training (CLIP) for pixel-level image enhancement. We show that the open-world CLIP…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Zhexin Liang , Chongyi Li , Shangchen Zhou , Ruicheng Feng , Chen Change Loy

Generalized Category Discovery (GCD) requires a model to both classify known categories and cluster unknown categories in unlabeled data. Prior methods leveraged self-supervised pre-training combined with supervised fine-tuning on the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-18 Rabah Ouldnoughi , Chia-Wen Kuo , Zsolt Kira

Contrastive Language-Image Pre-training (CLIP) represents the latest incarnation of pre-trained vision-language models. Although CLIP has recently shown its superior power on a wide range of downstream vision-language tasks like Visual…

Computer Vision and Pattern Recognition · Computer Science 2022-05-31 Sinuo Deng , Lifang Wu , Ge Shi , Lehao Xing , Meng Jian , Ye Xiang

We focus on domain and class generalization problems in analyzing optical remote sensing images, using the large-scale pre-trained vision-language model (VLM), CLIP. While contrastively trained VLMs show impressive zero-shot generalization…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Avigyan Bhattacharya , Mainak Singha , Ankit Jha , Biplab Banerjee

Prompt learning has emerged as an efficient and effective approach for transferring foundational Vision-Language Models (e.g., CLIP) to downstream tasks. However, current methods tend to overfit to seen categories, thereby limiting their…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Chen Xu , Yuhan Zhu , Guozhen Zhang , Haocheng Shen , Yixuan Liao , Xiaoxin Chen , Gangshan Wu , Limin Wang

The inexorable growth of online shopping and e-commerce demands scalable and robust machine learning-based solutions to accommodate customer requirements. In the context of automatic tagging classification and multimodal retrieval, prior…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Giuseppe Cartella , Alberto Baldrati , Davide Morelli , Marcella Cornia , Marco Bertini , Rita Cucchiara

Open-set 3D object retrieval (3DOR) is an emerging task aiming to retrieve 3D objects of unseen categories beyond the training set. Existing methods typically utilize all modalities (i.e., voxels, point clouds, multi-view images) and train…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Zhichuan Wang , Yang Zhou , Zhe Liu , Rui Yu , Song Bai , Yulong Wang , Xinwei He , Xiang Bai

Vision-Language models like CLIP have been widely adopted for various tasks due to their impressive zero-shot capabilities. However, CLIP is not suitable for extracting 3D geometric features as it was trained on only images and text by…

Computer Vision and Pattern Recognition · Computer Science 2023-04-20 Deepti Hegde , Jeya Maria Jose Valanarasu , Vishal M. Patel

Recent advances in zero-shot and few-shot classification heavily rely on the success of pre-trained vision-language models (VLMs) such as CLIP. Due to a shortage of large-scale datasets, training such models for event camera data remains…

Computer Vision and Pattern Recognition · Computer Science 2023-11-20 Ziyi Wu , Xudong Liu , Igor Gilitschenski

Open-vocabulary video instance segmentation strives to segment and track instances belonging to an open set of categories in a videos. The vision-language model Contrastive Language-Image Pre-training (CLIP) has shown robust zero-shot…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Wenqi Zhu , Jiale Cao , Jin Xie , Shuangming Yang , Yanwei Pang

Traffic sign is a critical map feature for navigation and traffic control. Nevertheless, current methods for traffic sign recognition rely on traditional deep learning models, which typically suffer from significant performance degradation…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Guoyang Zhao , Fulong Ma , Weiqing Qi , Chenguang Zhang , Yuxuan Liu , Ming Liu , Jun Ma

Visual anomaly detection targets to detect images that notably differ from normal pattern, and it has found extensive application in identifying defective parts within the manufacturing industry. These anomaly detection paradigms…

Computer Vision and Pattern Recognition · Computer Science 2024-11-15 Anindya Sundar Das , Guansong Pang , Monowar Bhuyan

We propose Context-Adaptive Multi-Prompt Embedding, a novel approach to enrich semantic representations in vision-language contrastive learning. Unlike standard CLIP-style models that rely on a single text embedding, our method introduces…

Machine Learning · Computer Science 2025-08-07 Dahun Kim , Anelia Angelova