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Contrastive Language-Image Pre-Training (CLIP) has shown impressive performance in short-term Person Re-Identification (ReID) due to its ability to extract high-level semantic features of pedestrians, yet its direct application to…

计算机视觉与模式识别 · 计算机科学 2024-06-14 Shuang Li , Jiaxu Leng , Guozhang Li , Ji Gan , Haosheng chen , Xinbo Gao

Continual learning (CL) aims to help deep neural networks learn new knowledge while retaining what has been learned. Owing to their powerful generalizability, pre-trained vision-language models such as Contrastive Language-Image…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Saurav Jha , Dong Gong , Lina Yao

Contrastive Language-Image Pretraining (CLIP) has emerged as a novel paradigm to learn visual models from language supervision. While researchers continue to push the frontier of CLIP, reproducing these works remains challenging. This is…

计算机视觉与模式识别 · 计算机科学 2022-03-14 Yufeng Cui , Lichen Zhao , Feng Liang , Yangguang Li , Jing Shao

We present Fast Language-Image Pre-training (FLIP), a simple and more efficient method for training CLIP. Our method randomly masks out and removes a large portion of image patches during training. Masking allows us to learn from more…

计算机视觉与模式识别 · 计算机科学 2023-03-31 Yanghao Li , Haoqi Fan , Ronghang Hu , Christoph Feichtenhofer , Kaiming He

Despite the remarkable performance of deep models in medical imaging, they still require source data for training, which limits their potential in light of privacy concerns. Federated learning (FL), as a decentralized learning framework…

计算机视觉与模式识别 · 计算机科学 2025-11-12 Yihang Wu , Ahmad Chaddad

Open-vocabulary segmentation is a challenging task requiring segmenting and recognizing objects from an open set of categories. One way to address this challenge is to leverage multi-modal models, such as CLIP, to provide image and text…

计算机视觉与模式识别 · 计算机科学 2023-11-16 Qihang Yu , Ju He , Xueqing Deng , Xiaohui Shen , Liang-Chieh Chen

We propose a densely semantically aligned person re-identification framework. It fundamentally addresses the body misalignment problem caused by pose/viewpoint variations, imperfect person detection, occlusion, etc. By leveraging the…

计算机视觉与模式识别 · 计算机科学 2019-04-11 Zhizheng Zhang , Cuiling Lan , Wenjun Zeng , Zhibo Chen

Photo search, the task of retrieving images based on textual queries, has witnessed significant advancements with the introduction of CLIP (Contrastive Language-Image Pretraining) model. CLIP leverages a vision-language pre training…

计算机视觉与模式识别 · 计算机科学 2024-01-25 Naresh Kumar Lahajal , Harini S

After pre-training on extensive image-text pairs, Contrastive Language-Image Pre-training (CLIP) demonstrates promising performance on a wide variety of benchmarks. However, a substantial volume of multimodal interleaved documents remains…

计算机视觉与模式识别 · 计算机科学 2025-08-06 Tiancheng Gu , Kaicheng Yang , Chaoyi Zhang , Yin Xie , Xiang An , Ziyong Feng , Dongnan Liu , Weidong Cai , Jiankang Deng

Unsupervised Re-ID methods aim at learning robust and discriminative features from unlabeled data. However, existing methods often ignore the relationship between module parameters of Re-ID framework and feature distributions, which may…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Ziqi He , Mengjia Xue , Yunhao Du , Zhicheng Zhao , Fei Su

Vision-language models such as CLIP have shown impressive capabilities in aligning images and text, but they often struggle with lengthy and detailed text descriptions due to pre-training on short and concise captions. We present FAST-GOAL…

人工智能 · 计算机科学 2026-05-27 Hyungyu Choi , Young Kyun Jang , Chanho Eom

Vision-language foundation models like CLIP have shown impressive zero-shot generalization, but finetuning on downstream datasets can cause overfitting and loss of its generalization ability on unseen domains. Although collecting additional…

计算机视觉与模式识别 · 计算机科学 2024-08-14 Siyuan Yan , Cheng Luo , Zhen Yu , Zongyuan Ge

Recent vision-language foundation models still frequently produce outputs misaligned with their inputs, evidenced by object hallucination in captioning and prompt misalignment in the text-to-image generation model. Recent studies have…

计算机视觉与模式识别 · 计算机科学 2024-12-25 JeongYeon Nam , Jinbae Im , Wonjae Kim , Taeho Kil

Fine-grained image retrieval (FGIR) is to learn visual representations that distinguish visually similar objects while maintaining generalization. Existing methods propose to generate discriminative features, but rarely consider the…

计算机视觉与模式识别 · 计算机科学 2024-04-25 Xin Jiang , Hao Tang , Rui Yan , Jinhui Tang , Zechao Li

With the rapid development of generative technologies, AI-Generated Images (AIGIs) have been widely applied in various aspects of daily life. However, due to the immaturity of the technology, the quality of the generated images varies, so…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Zhenchen Tang , Zichuan Wang , Bo Peng , Jing Dong

Person re-identification (Re-ID) usually suffers from noisy samples with background clutter and mutual occlusion, which makes it extremely difficult to distinguish different individuals across the disjoint camera views. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2017-10-17 Sanping Zhou , Jinjun Wang , Deyu Meng , Xiaomeng Xin , Yubing Li , Yihong Gong , Nanning Zheng

Person re-identification aims to associate images of the same person over multiple non-overlapping camera views at different times. Depending on the human operator, manual re-identification in large camera networks is highly time consuming…

计算机视觉与模式识别 · 计算机科学 2019-11-19 Shubham Kumar Singh , Krishna P Miyapuram , Shanmuganathan Raman

Dynamic Facial Expression Recognition (DFER) is crucial for understanding human behavior. However, current methods exhibit limited performance mainly due to the scarcity of high-quality data, the insufficient utilization of facial dynamics,…

计算机视觉与模式识别 · 计算机科学 2025-06-25 Haodong Chen , Haojian Huang , Junhao Dong , Mingzhe Zheng , Dian Shao

CLIP is a seminal multimodal model that maps images and text into a shared representation space through contrastive learning on billions of image-caption pairs. Inspired by the rapid progress of large language models (LLMs), we investigate…

计算机视觉与模式识别 · 计算机科学 2026-02-26 Weiquan Huang , Aoqi Wu , Yifan Yang , Xufang Luo , Yuqing Yang , Usman Naseem , Chunyu Wang , Chunyu Wang , Qi Dai , Xiyang Dai , Dongdong Chen , Chong Luo , Lili Qiu , Liang Hu

Video-based person re-identification has drawn massive attention in recent years due to its extensive applications in video surveillance. While deep learning-based methods have led to significant progress, these methods are limited by…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Takashi Isobe , Jian Han , Fang Zhu , Yali Li , Shengjin Wang