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Contrastive Language-Image Pre-training (CLIP) plays an essential role in extracting valuable content information from images across diverse tasks. It aligns textual and visual modalities to comprehend the entire image, including all the…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Zeyi Sun , Ye Fang , Tong Wu , Pan Zhang , Yuhang Zang , Shu Kong , Yuanjun Xiong , Dahua Lin , Jiaqi Wang

In text-video retrieval, recent works have benefited from the powerful learning capabilities of pre-trained text-image foundation models (e.g., CLIP) by adapting them to the video domain. A critical problem for them is how to effectively…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Chaorui Deng , Qi Chen , Pengda Qin , Da Chen , Qi Wu

We present CLIP2Video network to transfer the image-language pre-training model to video-text retrieval in an end-to-end manner. Leading approaches in the domain of video-and-language learning try to distill the spatio-temporal video…

Computer Vision and Pattern Recognition · Computer Science 2021-06-22 Han Fang , Pengfei Xiong , Luhui Xu , Yu Chen

Vision-Language Models (VLMs) like CLIP offer promising solutions for Dynamic Facial Expression Recognition (DFER) but face challenges such as inefficient full fine-tuning, high complexity, and poor alignment between textual and visual…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Ibtissam Saadi , Abdenour Hadid , Douglas W. Cunningham , Abdelmalik Taleb-Ahmed , Yassin El Hillali

Recent approaches have shown that large-scale vision-language models such as CLIP can improve semantic segmentation performance. These methods typically aim for pixel-level vision-language alignment, but often rely on low resolution image…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Anurag Das , Xinting Hu , Li Jiang , Bernt Schiele

Although deep learning models have shown impressive performance on supervised learning tasks, they often struggle to generalize well when the training (source) and test (target) domains differ. Unsupervised domain adaptation (DA) has…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Mainak Singha , Harsh Pal , Ankit Jha , Biplab Banerjee

Scene text retrieval aims to find all images containing the query text from an image gallery. Current efforts tend to adopt an Optical Character Recognition (OCR) pipeline, which requires complicated text detection and/or recognition…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Gangyan Zeng , Yuan Zhang , Jin Wei , Dongbao Yang , Peng Zhang , Yiwen Gao , Xugong Qin , Yu Zhou

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

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

The parameter-efficient adaptation of the image-text pretraining model CLIP for video-text retrieval is a prominent area of research. While CLIP is focused on image-level vision-language matching, video-text retrieval demands comprehensive…

Computer Vision and Pattern Recognition · Computer Science 2025-06-11 Leqi Shen , Guoqiang Gong , Tianxiang Hao , Tao He , Yifeng Zhang , Pengzhang Liu , Sicheng Zhao , Jungong Han , Guiguang Ding

Despite the remarkable performance of vision language models (VLMs) such as Contrastive Language Image Pre-training (CLIP), the large size of these models is a considerable obstacle to their use in federated learning (FL) systems where the…

Machine Learning · Computer Science 2025-03-11 Yihang Wu , Ahmad Chaddad , Christian Desrosiers , Tareef Daqqaq , Reem Kateb

Recently, large vision and language models have shown their success when adapting them to many downstream tasks. In this paper, we present a unified framework named CLIP-ADA for Anomaly Detection by Adapting a pre-trained CLIP model. To…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Yuxuan Cai , Xinwei He , Dingkang Liang , Ao Tong , Xiang Bai

Recently, the rise of large-scale vision-language pretrained models like CLIP, coupled with the technology of Parameter-Efficient FineTuning (PEFT), has captured substantial attraction in video action recognition. Nevertheless, prevailing…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Mengmeng Wang , Jiazheng Xing , Boyuan Jiang , Jun Chen , Jianbiao Mei , Xingxing Zuo , Guang Dai , Jingdong Wang , Yong Liu

Video-text retrieval plays an essential role in multi-modal research and has been widely used in many real-world web applications. The CLIP (Contrastive Language-Image Pre-training), an image-language pre-training model, has demonstrated…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Huaishao Luo , Lei Ji , Ming Zhong , Yang Chen , Wen Lei , Nan Duan , Tianrui Li

Video Retrieval is a challenging task where a text query is matched to a video or vice versa. Most of the existing approaches for addressing such a problem rely on annotations made by the users. Although simple, this approach is not always…

Computer Vision and Pattern Recognition · Computer Science 2021-03-01 Jesús Andrés Portillo-Quintero , José Carlos Ortiz-Bayliss , Hugo Terashima-Marín

With the increasing adoption of video anomaly detection in intelligent surveillance domains, conventional visual-based detection approaches often struggle with information insufficiency and high false-positive rates in complex environments.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Peng Wu , Wanshun Su , Guansong Pang , Yujia Sun , Qingsen Yan , Peng Wang , Yanning Zhang

Source-Free Domain Adaptation (SFDA) tackles the problem of adapting a pre-trained source model to an unlabeled target domain without accessing any source data, which is quite suitable for the field of data security. Although recent…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Shanshan Wang , Ziying Feng , Xiaozheng Shen , Xun Yang , Pichao Wang , Zhenwei He , Xingyi Zhang

CLIP has shown promising performance across many short-text tasks in a zero-shot manner. However, limited by the input length of the text encoder, CLIP struggles on under-stream tasks with long-text inputs ($>77$ tokens). To remedy this…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Bingchao Wang , Zhiwei Ning , Jianyu Ding , Xuanang Gao , Yin Li , Dongsheng Jiang , Jie Yang , Wei Liu

Recently, large-scale pre-trained vision-language models (e.g., CLIP), have garnered significant attention thanks to their powerful representative capabilities. This inspires researchers in transferring the knowledge from these large…

Computer Vision and Pattern Recognition · Computer Science 2025-06-13 Bin Wang , Wentong Li , Wenqian Wang , Mingliang Gao , Runmin Cong , Wei Zhang

A sliding-window inference strategy is commonly adopted in recent training-free open-vocabulary semantic segmentation methods to overcome limitation of the CLIP in processing high-resolution images. However, this approach introduces a new…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 ByeongCheol Lee , Hyun Seok Seong , Sangeek Hyun , Gilhan Park , WonJun Moon , Jae-Pil Heo
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