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The growing availability of co-located geospatial data spanning aerial imagery, street-level views, elevation models, text, and geographic coordinates offers a unique opportunity for multimodal representation learning. We introduce…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Guillaume Astruc , Eduard Trulls , Jan Hosang , Loic Landrieu , Paul-Edouard Sarlin

On-orbit servicing and active debris removal involving non-cooperative spacecraft require reliable pose estimation to supply accurate position and orientation data for autonomous visual navigation. Learning-based monocular methods have seen…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Yongliang Zhen , Bo LÜ , Hang Yang , Xiaotian WU

We propose SimSC, a remarkably simple framework, to address the problem of semantic matching only based on the feature backbone. We discover that when fine-tuning ImageNet pre-trained backbone on the semantic matching task, L2 normalization…

Computer Vision and Pattern Recognition · Computer Science 2023-05-05 Xinghui Li , Kai Han , Xingchen Wan , Victor Adrian Prisacariu

To address the scale mismatch caused by large altitude variations in UAV visual place recognition, we propose a monocular vision-only altitude-adaptive geo-localization framework. The method first estimates relative altitude from a single…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Xingyu Shao , Mengfan He , Chunyu Li , Liangzheng Sun , Ziyang Meng

Cross-View Geo-Localization (CVGL) focuses on identifying correspondences between images captured from distinct perspectives of the same geographical location. However, existing CVGL approaches are typically restricted to a single view or…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Xudong Lu , Zhi Zheng , Yi Wan , Yongxiang Yao , Annan Wang , Renrui Zhang , Panwang Xia , Qiong Wu , Qingyun Li , Weifeng Lin , Xiangyu Zhao , Peifeng Ma , Xue Yang , Hongsheng Li

To enhance the performance of aerial-ground networks, this paper proposes an integrated sensing and communication (ISAC) framework for multi-UAV systems. In our model, ground base stations (BSs) cooperatively serve multiple unmanned aerial…

Systems and Control · Electrical Eng. & Systems 2026-05-01 Fangzhi Li , Zhichu Ren , Cunhua Pan , Hong Ren , Jing Jin , Qixing Wang , Jiangzhou Wang

Pose estimation is essential for robotic manipulation, particularly when visual perception is occluded during gripper-object interactions. Existing tactile-based methods generally rely on tactile simulation or pre-trained models, which…

Robotics · Computer Science 2026-03-12 Zirui Zhang , Boyang Zhang , Fumin Zhang , Huan Yin

We present CrossLoc3D, a novel 3D place recognition method that solves a large-scale point matching problem in a cross-source setting. Cross-source point cloud data corresponds to point sets captured by depth sensors with different…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Tianrui Guan , Aswath Muthuselvam , Montana Hoover , Xijun Wang , Jing Liang , Adarsh Jagan Sathyamoorthy , Damon Conover , Dinesh Manocha

Cross-view geo-localization infers a location by retrieving geo-tagged reference images that visually correspond to a query image. However, the traditional satellite-centric paradigm limits robustness when high-resolution or up-to-date…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Zixuan Song , Jing Zhang , Di Wang , Zidie Zhou , Wenbin Liu , Haonan Guo , En Wang , Bo Du

Safe UAV emergency landing requires more than just identifying flat terrain; it demands understanding complex semantic risks (e.g., crowds, temporary structures) invisible to traditional geometric sensors. In this paper, we propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Chunliang Hua , Zeyuan Yang , Lei Zhang , Jiayang Sun , Fengwen Chen , Chunlan Zeng , Xiao Hu

The vision-based geo-localization technology for UAV, serving as a secondary source of GPS information in addition to the global navigation satellite systems (GNSS), can still operate independently in the GPS-denied environment. Recent deep…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Yuxiang Ji , Boyong He , Zhuoyue Tan , Liaoni Wu

3D semantic occupancy prediction is crucial for autonomous driving. While multi-modal fusion improves accuracy over vision-only methods, it typically relies on computationally expensive dense voxel or BEV tensors. We present Gau-Occ, a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Chengxin Lv , Yihui Li , Hongyu Yang , YunHong Wang

Weather nowcasting is an essential task that involves predicting future radar echo sequences based on current observations, offering significant benefits for disaster management, transportation, and urban planning. Current prediction…

Computer Vision and Pattern Recognition · Computer Science 2025-02-24 Ziye Wang , Yiran Qin , Lin Zeng , Ruimao Zhang

Research in Anti-UAV (Unmanned Aerial Vehicle) tracking has explored various modalities, including RGB, TIR, and RGB-T fusion. However, a unified framework for cross-modal collaboration is still lacking. Existing approaches have primarily…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Qionglin Ren , Dawei Zhang , Chunxu Tian , Dan Zhang

Metric Cross-View Geo-Localization (MCVGL) aims to estimate the 3-DoF camera pose (position and heading) by matching ground and satellite images. In this work, instead of pinhole and satellite images, we study robust MCVGL using holistic…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Junwei Zheng , Ruize Dai , Ruiping Liu , Zichao Zeng , Yufan Chen , Fangjinhua Wang , Kunyu Peng , Kailun Yang , Jiaming Zhang , Rainer Stiefelhagen

We present LoD-Loc v3, a novel method for generalized aerial visual localization in dense urban environments. While prior work LoD-Loc v2 achieves localization through semantic building silhouette alignment with low-detail city models, it…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Shuaibang Peng , Juelin Zhu , Xia Li , Kun Yang , Maojun Zhang , Yu Liu , Shen Yan

Context. The Multi-Order Coverage map (MOC) is a widely adopted standard promoted by the International Virtual Observatory Alliance (IVOA) to support data sharing and interoperability within the Virtual Observatory (VO) ecosystem. This…

The integration of Unmanned Aerial Vehicles (UAVs) and Unmanned Ground Vehicles (UGVs) is increasingly central to the development of intelligent autonomous systems for applications such as search and rescue, environmental monitoring, and…

Achieving globally optimal point cloud registration under partial overlaps and large misalignments remains a fundamental challenge. While simultaneous transformation ($\boldsymbol{\theta}$) and correspondence ($\mathbf{P}$) estimation has…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Wei Lian , Fei Ma , Hang Pan , Zhesen Cui , Wangmeng Zuo

Reliable localization is crucial for navigation in forests, where GPS is often degraded and LiDAR measurements are repetitive, occluded, and structurally complex. These conditions weaken the assumptions of traditional urban-centric…

Robotics · Computer Science 2026-02-13 Minwoo Jung , Nived Chebrolu , Lucas Carvalho de Lima , Haedam Oh , Maurice Fallon , Ayoung Kim