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Image-based 3D reconstruction is one of the most important tasks in Computer Vision with many solutions proposed over the last few decades. The objective is to extract metric information i.e. the geometry of scene objects directly from…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Qiao Chen , Charalambos Poullis

Object detection in unmanned aerial vehicle (UAV) images remains a highly challenging task, primarily caused by the complexity of background noise and the imbalance of target scales. Traditional methods easily struggle to effectively…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Wenfeng Zhang , Jun Ni , Yue Meng , Xiaodong Pei , Wei Hu , Qibing Qin , Lei Huang

In the last twenty years, Structure from Motion (SfM) has been a constant research hotspot in the fields of photogrammetry, computer vision, robotics etc., whereas real-time performance is just a recent topic of growing interest. This work…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Zongqian Zhan , Yifei Yu , Rui Xia , Wentian Gan , Hong Xie , Giulio Perda , Luca Morelli , Fabio Remondino , Xin Wang

Integration of aerial and ground images has been proved as an efficient approach to enhance the surface reconstruction in urban environments. However, as the first step, the feature point matching between aerial and ground images is…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Qing Zhu , Zhendong Wang , Han Hu , Linfu Xie , Xuming Ge , Yeting Zhang

Efficient and accurate camera pose estimation forms the foundational requirement for dense reconstruction in autonomous navigation, robotic perception, and virtual simulation systems. This paper addresses the challenge via cuSfM, a…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Jingrui Yu , Jun Liu , Kefei Ren , Joydeep Biswas , Rurui Ye , Keqiang Wu , Chirag Majithia , Di Zeng

Accuracy and efficiency are two key problems in large scale incremental Structure from Motion (SfM). In this paper, we propose a unified framework to divide the image set into clusters suitable for reconstruction as well as find multiple…

Computer Vision and Pattern Recognition · Computer Science 2016-12-22 Kun Sun , Wenbing Tao

To meet the requirements for managing unauthorized UAVs in the low-altitude economy, a multi-modal UAV trajectory prediction method based on the fusion of LiDAR and millimeter-wave radar information is proposed. A deep fusion network for…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Yuan Gao , Xinyu Guo , Wenjing Xie , Zifan Wang , Hongwen Yu , Gongyang Li , Shugong Xu

The Structure from Motion (SfM) challenge in computer vision is the process of recovering the 3D structure of a scene from a series of projective measurements that are calculated from a collection of 2D images, taken from different…

Computer Vision and Pattern Recognition · Computer Science 2023-04-06 Joseph Rowell

Although Structure-from-Motion (SfM) as a maturing technique has been widely used in many applications, state-of-the-art SfM algorithms are still not robust enough in certain situations. For example, images for inspection purposes are often…

Robotics · Computer Science 2019-11-11 Weikun Zhen , Yaoyu Hu , Huai Yu , Sebastian Scherer

Inertial motion capture systems widely use low-cost IMUs to obtain the orientation of human body segments, but these sensors alone are unable to estimate link positions. Therefore, this research used a SLAM method in conjunction with…

Robotics · Computer Science 2024-02-16 Mohammad Mahdi Azarbeik , Hamidreza Razavi , Kaveh Merat , Hassan Salarieh

Air access networks have been recognized as a significant driver of various Internet of Things (IoT) services and applications. In particular, the aerial computing network infrastructure centered on the Internet of Drones has set off a new…

Machine Learning · Computer Science 2022-01-05 Zhe Zhang , Shiyao Ma , Zhaohui Yang , Zehui Xiong , Jiawen Kang , Yi Wu , Kejia Zhang , Dusit Niyato

The efficacy of UAV swarm cooperative perception fundamentally depends on three-dimensional (3D) formation geometry, which governs target observability and sensor complementarity. In the literature, the exploitation of formation geometry…

Systems and Control · Electrical Eng. & Systems 2025-12-16 Kai Xiong , Xingyu Wu , Anna Duan , Supeng Leng , Jianhua He

UAV swarms can form virtual antenna arrays to exploit additional spatial degrees of freedom and enhance integrated sensing and communication (ISAC). The optimization of UAV positions is challenging due to the distributed nature of swarms…

Signal Processing · Electrical Eng. & Systems 2025-11-06 Zhiyuan Zhai , Wei Ni , Xin Wang , Dusit Niyato , Ekram Hossain

A novel multi-focus image fusion algorithm performed in spatial domain based on similarity characteristics is proposed incorporating with region segmentation. In this paper, a new similarity measure is developed based on the structural…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Ya-Qiong Zhang , Xiao-Jun Wu , Hui Li

Structure-from-motion (SfM) is a long-standing problem in the computer vision community, which aims to reconstruct the camera poses and 3D structure of a scene from a set of unconstrained 2D images. Classical frameworks solve this problem…

Computer Vision and Pattern Recognition · Computer Science 2023-12-08 Jianyuan Wang , Nikita Karaev , Christian Rupprecht , David Novotny

The integration of aerial and ground images has been a promising solution in 3D modeling of complex scenes, which is seriously restricted by finding reliable correspondences. The primary contribution of this study is a feature matching…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Jiangxue Yu , Hui Wang , San Jiang , Xing Zhang , Dejin Zhang , Qingquan Li

Structure from Motion (SfM) estimates camera poses and reconstructs point clouds, forming a foundation for various tasks. However, applying SfM to driving scenes captured by multi-camera systems presents significant difficulties, including…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Lingfeng Xuan , Chang Nie , Yiqing Xu , Zhe Liu , Yanzi Miao , Hesheng Wang

Integrated sensing and communications (ISAC) enabled by unmanned aerial vehicles (UAVs) is a promising technology to facilitate target tracking applications. In contrast to conventional UAV-based ISAC system designs that mainly focus on…

Signal Processing · Electrical Eng. & Systems 2024-04-17 Yifan Jiang , Qingqing Wu , Wen Chen , Kaitao Meng

Unmanned aerial vehicle (UAV) swarms must exploit machine learning (ML) in order to execute various tasks ranging from coordinated trajectory planning to cooperative target recognition. However, due to the lack of continuous connections…

Machine Learning · Computer Science 2020-06-11 Tengchan Zeng , Omid Semiari , Mohammad Mozaffari , Mingzhe Chen , Walid Saad , Mehdi Bennis

Structure from Motion (SfM) and visual localization in indoor texture-less scenes and industrial scenarios present prevalent yet challenging research topics. Existing SfM methods designed for natural scenes typically yield low accuracy or…

Robotics · Computer Science 2024-05-28 Yusen Xie , Zhenmin Huang , Kai Chen , Lei Zhu , Jun Ma