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Related papers: CLIP-Driven Fine-grained Text-Image Person Re-iden…

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Mixed modality search -- retrieving information across a heterogeneous corpus composed of images, texts, and multimodal documents -- is an important yet underexplored real-world application. In this work, we investigate how contrastive…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Binxu Li , Yuhui Zhang , Xiaohan Wang , Weixin Liang , Ludwig Schmidt , Serena Yeung-Levy

This work aims to adapt large-scale pre-trained vision-language models, such as contrastive language-image pretraining (CLIP), to enhance the performance of object reidentification (Re-ID) across various supervision settings. Although…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Jiachen Li , Xiaojin Gong

Contrastive image-text models such as CLIP form the building blocks of many state-of-the-art systems. While they excel at recognizing common generic concepts, they still struggle on fine-grained entities which are rare, or even absent from…

Computer Vision and Pattern Recognition · Computer Science 2024-02-22 Ahmet Iscen , Mathilde Caron , Alireza Fathi , Cordelia Schmid

Large-scale vision-language models (e.g., CLIP) have recently achieved remarkable performance in retrieval tasks, yet their potential for Video-based Visible-Infrared Person Re-Identification (VVI-ReID) remains largely unexplored. The…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Chenyang Yu , Xuehu Liu , Pingping Zhang , Huchuan Lu

Composed Image Retrieval (CIR) facilitates image retrieval through a multimodal query consisting of a reference image and modification text. The reference image defines the retrieval context, while the modification text specifies desired…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Zixu Li , Zhiheng Fu , Yupeng Hu , Zhiwei Chen , Haokun Wen , Liqiang Nie

Despite the success of Vision-Language Models (VLMs) like CLIP in aligning vision and language, their proficiency in detailed, fine-grained visual comprehension remains a key challenge. We present CLIP-IN, a novel framework that bolsters…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Ziteng Wang , Siqi Yang , Limeng Qiao , Lin Ma

Text contained in an image carries high-level semantics that can be exploited to achieve richer image understanding. In particular, the mere presence of text provides strong guiding content that should be employed to tackle a diversity of…

Computer Vision and Pattern Recognition · Computer Science 2020-01-15 Andres Mafla , Sounak Dey , Ali Furkan Biten , Lluis Gomez , Dimosthenis Karatzas

Text-to-image person re-identification (TIReID) is a compelling topic in the cross-modal community, which aims to retrieve the target person based on a textual query. Although numerous TIReID methods have been proposed and achieved…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Yang Qin , Yingke Chen , Dezhong Peng , Xi Peng , Joey Tianyi Zhou , Peng Hu

Text-to-image person re-identification (TIReID) aims to retrieve person images from a large gallery given free-form textual descriptions. TIReID is challenging due to the substantial modality gap between visual appearances and textual…

Computer Vision and Pattern Recognition · Computer Science 2026-02-12 Giyeol Kim , Chanho Eom

Cloth-changing person re-identification (CC-ReID) aims to match individuals across surveillance cameras despite variations in clothing. Existing methods typically mitigate the impact of clothing changes or enhance identity (ID)-relevant…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Xiyu Han , Xian Zhong , Wenxin Huang , Xuemei Jia , Xiaohan Yu , Alex Chichung Kot

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…

Computer Vision and Pattern Recognition · Computer Science 2024-06-14 Shuang Li , Jiaxu Leng , Guozhang Li , Ji Gan , Haosheng chen , Xinbo Gao

Contrastive learning-based vision-language pre-training approaches, such as CLIP, have demonstrated great success in many vision-language tasks. These methods achieve cross-modal alignment by encoding a matched image-text pair with similar…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Yuxiao Chen , Jianbo Yuan , Yu Tian , Shijie Geng , Xinyu Li , Ding Zhou , Dimitris N. Metaxas , Hongxia Yang

The multi-modal hashing method is widely used in multimedia retrieval. It can fuse multi-source data to generate binary hash code. However, the current multi-modal methods have the problem of low retrieval accuracy. The reason is that the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Jian Zhu , Mingkai Sheng , Mingda Ke , Zhangmin Huang , Jingfei Chang

Visible-infrared cross-modality person re-identification is a challenging ReID task, which aims to retrieve and match the same identity's images between the heterogeneous visible and infrared modalities. Thus, the core of this task is to…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Tengfei Liang , Yi Jin , Yajun Gao , Wu Liu , Songhe Feng , Tao Wang , Yidong Li

The fine-grained attribute descriptions can significantly supplement the valuable semantic information for person image, which is vital to the success of person re-identification (ReID) task. However, current ReID algorithms typically…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Yajing Zhai , Yawen Zeng , Zhiyong Huang , Zheng Qin , Xin Jin , Da Cao

Text-to-image person re-identification (TIReID) retrieves pedestrian images of the same identity based on a query text. However, existing methods for TIReID typically treat it as a one-to-one image-text matching problem, only focusing on…

Computer Vision and Pattern Recognition · Computer Science 2023-10-18 Shuanglin Yan , Neng Dong , Jun Liu , Liyan Zhang , Jinhui Tang

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…

Computer Vision and Pattern Recognition · Computer Science 2024-01-25 Naresh Kumar Lahajal , Harini S

Person re-identification (Re-ID) is a crucial task in computer vision, aiming to recognize individuals across non-overlapping camera views. While recent advanced vision-language models (VLMs) excel in logical reasoning and multi-task…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Ke Niu , Haiyang Yu , Mengyang Zhao , Teng Fu , Siyang Yi , Wei Lu , Bin Li , Xuelin Qian , Xiangyang Xue

The age estimation task aims to predict the age of an individual by analyzing facial features in an image. The development of age estimation can improve the efficiency and accuracy of various applications (e.g., age verification and secure…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Yuntao Shou , Wei Ai , Tao Meng , Nan Yin , Keqin Li

Contrastive Language-Image Pre-Training (CLIP) model excels in traditional person re-identification (ReID) tasks due to its inherent advantage in generating textual descriptions for pedestrian images. However, applying CLIP directly to…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Xuan Tan , Xun Gong , Yang Xiang