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Related papers: Text-based Aerial-Ground Person Retrieval

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Aerial-Ground Person Re-identification (AGPReID) holds significant practical value but faces unique challenges due to pronounced variations in viewing angles, lighting conditions, and background interference. Traditional methods, often…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Yuhai Wang , Maryam Pishgar

Aerial-Ground person re-identification (AG-ReID) is an emerging yet challenging task that aims to match pedestrian images captured from drastically different viewpoints, typically from unmanned aerial vehicles (UAVs) and ground-based…

Computer Vision and Pattern Recognition · Computer Science 2026-01-14 Qiao Li , Jie Li , Yukang Zhang , Lei Tan , Jing Chen , Jiayi Ji

Person re-identification (ReID) across aerial and ground vantage points has become crucial for large-scale surveillance and public safety applications. Although significant progress has been made in ground-only scenarios, bridging the…

Text-based person search aims to retrieve the corresponding person images in an image database by virtue of a describing sentence about the person, which poses great potential for various applications such as video surveillance. Extracting…

Computer Vision and Pattern Recognition · Computer Science 2019-11-28 Ya Jing , Chenyang Si , Junbo Wang , Wei Wang , Liang Wang , Tieniu Tan

Mobile robots necessitate advanced natural language understanding capabilities to accurately identify locations and perform tasks such as package delivery. However, traditional visual place recognition (VPR) methods rely solely on…

Computer Vision and Pattern Recognition · Computer Science 2025-03-10 Tianyi Shang , Zhenyu Li , Pengjie Xu , Jinwei Qiao , Gang Chen , Zihan Ruan , Weijun Hu

Text-based Person Retrieval (TPR) as a multi-modal task, which aims to retrieve the target person from a pool of candidate images given a text description, has recently garnered considerable attention due to the progress of contrastive…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Yating Liu , Yaowei Li , Xiangyuan Lan , Wenming Yang , Zimo Liu , Qingmin Liao

Text-based person search aims to simultaneously localize and identify the target person based on query text from uncropped scene images, which can be regarded as the unified task of person detection and text-based person retrieval task. In…

Computer Vision and Pattern Recognition · Computer Science 2023-12-25 Ziqiang Wu , Bingpeng Ma

Text-Pedestrian Image Retrieval aims to use the text describing pedestrian appearance to retrieve the corresponding pedestrian image. This task involves not only modality discrepancy, but also the challenge of the textual diversity of…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Huafeng Li , Shedan Yang , Yafei Zhang , Dapeng Tao , Zhengtao Yu

Many previous methods on text-based person retrieval tasks are devoted to learning a latent common space mapping, with the purpose of extracting modality-invariant features from both visual and textual modality. Nevertheless, due to the…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Aichun Zhu , Zijie Wang , Yifeng Li , Xili Wan , Jing Jin , Tian Wang , Fangqiang Hu , Gang Hua

Text-based person search aims to retrieve specific individuals across camera networks using natural language descriptions. However, current benchmarks often exhibit biases towards common actions like walking or standing, neglecting the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Shuyu Yang , Yaxiong Wang , Li Zhu , Zhedong Zheng

Person re-identification (Re-ID) across visible and infrared modalities is crucial for 24-hour surveillance systems, but existing datasets primarily focus on ground-level perspectives. While ground-based IR systems offer nighttime…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Huy Nguyen , Kien Nguyen , Akila Pemasiri , Akmal Jahan , Clinton Fookes , Sridha Sridharan

Person text-image matching, also known as text based person search, aims to retrieve images of specific pedestrians using text descriptions. Although person text-image matching has made great research progress, existing methods still face…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Fan Li , Hang Zhou , Huafeng Li , Yafei Zhang , Zhengtao Yu

Aerial-Ground Person Re-Identification (AGPReID) remains highly challenging due to drastic viewpoint variations between drones and fixed cameras. Existing methods typically follow a view-invariant paradigm, aligning shared features across…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Quan Zhang , Zeqiang Cai , Peiming Zhao , Jingze Wu , Cailun Wu , Hongbo Chen , Jianhuang Lai

Visual Place Recognition (VPR) in long-term deployment requires reasoning beyond pixel similarity: systems must make transparent, interpretable decisions that remain robust under lighting, weather and seasonal change. We present Text2Graph…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Saeideh Yousefzadeh , Hamidreza Pourreza

Text-based person search aims at retrieving target person in an image gallery using a descriptive sentence of that person. It is very challenging since modal gap makes effectively extracting discriminative features more difficult. Moreover,…

Computer Vision and Pattern Recognition · Computer Science 2021-01-11 Chenyang Gao , Guanyu Cai , Xinyang Jiang , Feng Zheng , Jun Zhang , Yifei Gong , Pai Peng , Xiaowei Guo , Xing Sun

Text-to-image person retrieval (TIPR) aims to identify the target person using textual descriptions, facing challenge in modality heterogeneity. Prior works have attempted to address it by developing cross-modal global or local alignment…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Min Cao , Xinyu Zhou , Ding Jiang , Bo Du , Mang Ye , Min Zhang

Cross-view geo-localization identifies the locations of street-view images by matching them with geo-tagged satellite images or OSM. However, most existing studies focus on image-to-image retrieval, with fewer addressing text-guided…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Junyan Ye , Honglin Lin , Leyan Ou , Dairong Chen , Zihao Wang , Qi Zhu , Conghui He , Weijia Li

Text-to-Image Person Retrieval (TIPR) aims to retrieve person images based on natural language descriptions. Although many TIPR methods have achieved promising results, sometimes textual queries cannot accurately and comprehensively reflect…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Hao Zou , Runqing Zhang , Xue Zhou , Jianxiao Zou

Image-to-point cloud cross-modal Visual Place Recognition (VPR) is a challenging task where the query is an RGB image, and the database samples are LiDAR point clouds. Compared to single-modal VPR, this approach benefits from the widespread…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Jianyi Peng , Fan Lu , Bin Li , Yuan Huang , Sanqing Qu , Guang Chen

Aerial-Ground Person Re-IDentification (AG-ReID) aims to retrieve specific persons across cameras with different viewpoints. Previous works focus on designing discriminative models to maintain the identity consistency despite drastic…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Yuhao Wang , Xiang Hu , Lixin Wang , Pingping Zhang , Huchuan Lu