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Vehicle detection and recognition in drone images is a complex problem that has been used for different safety purposes. The main challenge of these images is captured at oblique angles and poses several challenges like non-uniform…

Computer Vision and Pattern Recognition · Computer Science 2023-05-01 Hamam Mokayed , Amirhossein Nayebiastaneh , Kanjar De , Stergios Sozos , Olle Hagner , Bjorn Backe

This article introduces BEVPlace++, a novel, fast, and robust LiDAR global localization method for unmanned ground vehicles. It uses lightweight convolutional neural networks (CNNs) on Bird's Eye View (BEV) image-like representations of…

Robotics · Computer Science 2025-06-26 Lun Luo , Si-Yuan Cao , Xiaorui Li , Jintao Xu , Rui Ai , Zhu Yu , Xieyuanli Chen

Efficient localization plays a vital role in many modern applications of Unmanned Ground Vehicles (UGV) and Unmanned aerial vehicles (UAVs), which would contribute to improved control, safety, power economy, etc. The ubiquitous 5G NR (New…

Robotics · Computer Science 2024-12-03 Meisam Kabiri , Claudio Cimarelli , Hriday Bavle , Jose Luis Sanchez-Lopez , Holger Voos

Place recognition is one of the most challenging problems in computer vision, and has become a key part in mobile robotics and autonomous driving applications for performing loop closure in visual SLAM systems. Moreover, the difficulty of…

Computer Vision and Pattern Recognition · Computer Science 2015-05-28 Ruben Gomez-Ojeda , Manuel Lopez-Antequera , Nicolai Petkov , Javier Gonzalez-Jimenez

In this paper, we focus on the task of multi-view multi-source geo-localization, which serves as an important auxiliary method of GPS positioning by matching drone-view image and satellite-view image with pre-annotated GPS tag. To solve…

Computer Vision and Pattern Recognition · Computer Science 2020-07-10 Siyi Hu , Xiaojun Chang

In this paper, a sensing-assisted non-line-of-sight (NLoS) identification method for dynamic uncrewed aerial vehicle (UAV) positioning is proposed for the first time. For urban UAV-to-ground scenarios, a new multi-modal…

Signal Processing · Electrical Eng. & Systems 2026-05-14 Huijuan Qiao , Lu Bai , Mingran Sun , Mengyuan Lu , Jiajing Chen , Xiang Cheng

Off-road autonomous unmanned ground vehicles (UGVs) are being developed for military and commercial use to deliver crucial supplies in remote locations, help with mapping and surveillance, and to assist war-fighters in contested…

Long-term visual localization in outdoor environment is a challenging problem, especially faced with the cross-seasonal, bi-directional tasks and changing environment. In this paper we propose a novel visual inertial localization framework…

Robotics · Computer Science 2018-03-06 Xiaqing Ding , Yue Wang , Dongxuan Li , Li Tang , Huan Yin , Rong Xiong

In this study, we present an end-to-end pipeline capable of converting drone-captured video streams into high-fidelity 3D reconstructions with minimal latency. Unmanned aerial vehicles (UAVs) are extensively used in aerial real-time…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Christos Maikos , Georgios Angelidis , Georgios Th. Papadopoulos

Deep convolutional neural networks are used to address many computer vision problems, including video prediction. The task of video prediction requires analyzing the video frames, temporally and spatially, and constructing a model of how…

Computer Vision and Pattern Recognition · Computer Science 2018-10-17 Niloofar Azizi , Hafez Farazi , Sven Behnke

Unmanned aerial vehicles (UAVs) visual localization in planetary aims to estimate the absolute pose of the UAV in the world coordinate system through satellite maps and images captured by on-board cameras. However, since planetary scenes…

Robotics · Computer Science 2024-05-14 Xubo Luo , Xue Wan , Yixing Gao , Yaolin Tian , Wei Zhang , Leizheng Shu

Accurate and swift localization of the target is crucial in emergencies. However, accurate position data of a target mobile device, typically obtained from global navigation satellite systems (GNSS), cellular networks, or WiFi, may not…

Systems and Control · Electrical Eng. & Systems 2025-02-18 Halim Lee , Jiwon Seo

Object detection from images captured by Unmanned Aerial Vehicles (UAVs) is becoming increasingly useful. Despite the great success of the generic object detection methods trained on ground-to-ground images, a huge performance drop is…

Computer Vision and Pattern Recognition · Computer Science 2020-10-06 Zhenyu Wu , Karthik Suresh , Priya Narayanan , Hongyu Xu , Heesung Kwon , Zhangyang Wang

In this paper, we present a novel visual SLAM and long-term localization benchmark for autonomous driving in challenging conditions based on the large-scale 4Seasons dataset. The proposed benchmark provides drastic appearance variations…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Patrick Wenzel , Nan Yang , Rui Wang , Niclas Zeller , Daniel Cremers

The application of unmanned aerial vehicles (UAV) has been widely extended recently. It is crucial to ensure accurate latitude and longitude coordinates for UAVs, especially when the global navigation satellite systems (GNSS) are disrupted…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Wenjia Xu , Yaxuan Yao , Jiaqi Cao , Zhiwei Wei , Chunbo Liu , Jiuniu Wang , Mugen Peng

Vision-based Unmanned Aerial Vehicle (UAV) localization systems have been extensively investigated for Global Navigation Satellite System (GNSS)-denied environments. However, existing retrieval-based approaches face limitations in dataset…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Jiayu Yuan , Ming Dai , Enhui Zheng , Chao Su , Nanxing Chen , Qiming Hu , Shibo Zhu , Yibin Cao

Autonomous landing of Unmanned Aerial Vehicles (UAVs) in crowded scenarios is crucial for successful deployment of UAVs in populated areas, particularly in emergency landing situations where the highest priority is to avoid hurting people.…

Robotics · Computer Science 2022-03-01 Javier González-Trejo , Diego Mercado-Ravell , Israel Becerra , Rafael Murrieta-Cid

Unmanned aerial vehicle (UAV) base stations (BSs) are reliable and efficient alternative to full fill the coverage and capacity requirements when the backbone network fails to provide such requirements due to disasters. In this paper, we…

Signal Processing · Electrical Eng. & Systems 2023-03-01 Thushan Sivalingam , K. B. Shashika Manosha , Nandana Rajatheva , M. Latva-aho , Maheshi B. Dissanayake

The localization of Unmanned aerial vehicles (UAVs) in deep tunnels is extremely challenging due to their inaccessibility and hazardous environment. Conventional outdoor localization techniques (such as using GPS) and indoor localization…

Robotics · Computer Science 2024-09-12 Vishal Choudhary , Shashi Kant Gupta , Shaohui Foong , Hock Beng Lim

Drones have become essential tools in a wide range of industries, including agriculture, surveying, and transportation. However, tracking unmanned aerial vehicles (UAVs) in challenging environments, such cluttered or GNSS-denied…

Robotics · Computer Science 2023-05-11 Iacopo Catalano , Jorge Peña Queralta , Tomi Westerlund