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Detection of pedestrians on embedded devices, such as those on-board of robots and drones, has many applications including road intersection monitoring, security, crowd monitoring and surveillance, to name a few. However, the problem can be…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Mohamed Afifi , Yara Ali , Karim Amer , Mahmoud Shaker , Mohamed Elhelw

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

With the rapid growth of the low-altitude economy, UAVs have become crucial for measurement and tracking in patrol systems. However, in GNSS-denied areas, satellite-based localization methods are prone to failure. This paper presents a…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Tao Liu , Kan Ren , Qian Chen

Reliable obstacle detection on railways could help prevent collisions that result in injuries and potentially damage or derail the train. Unfortunately, generic object detectors do not have enough classes to account for all possible…

Computer Vision and Pattern Recognition · Computer Science 2023-07-31 Matthias Brucker , Andrei Cramariuc , Cornelius von Einem , Roland Siegwart , Cesar Cadena

We propose a novel real-time selfie video stabilization method. Our method is completely automatic and runs at 26 fps. We use a 1D linear convolutional network to directly infer the rigid moving least squares warping which implicitly…

Computer Vision and Pattern Recognition · Computer Science 2021-06-18 Jiyang Yu , Ravi Ramamoorthi , Keli Cheng , Michel Sarkis , Ning Bi

Electrical substations are a significant component of an electrical grid. Indeed, the assets at these substations (e.g., transformers) are prone to disruption from many hazards, including hurricanes, flooding, earthquakes, and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Haley Mody , Namish Bansal , Dennies Kiprono Bor , Edward J. Oughton

Autonomous vehicles (AVs) require reliable traffic sign recognition and robust lane detection capabilities to ensure safe navigation in complex and dynamic environments. This paper introduces an integrated approach combining advanced deep…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Chandan Kumar Sah , Ankit Kumar Shaw , Xiaoli Lian , Arsalan Shahid Baig , Tuopu Wen , Kun Jiang , Mengmeng Yang , Diange Yang

Video-based vehicle detection and counting play a critical role in managing transport infrastructure. Traditional image-based counting methods usually involve two main steps: initial detection and subsequent tracking, which are applied to…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Victor Nascimento Ribeiro , Nina S. T. Hirata

Designing a real-time framework for the spatio-temporal action detection task is still a challenge. In this paper, we propose a novel real-time action detection framework, YOWOv2. In this new framework, YOWOv2 takes advantage of both the 3D…

Computer Vision and Pattern Recognition · Computer Science 2023-06-09 Jianhua Yang , Kun Dai

Regression-based LiDAR relocalization has recently emerged as a promising solution for high-precision positioning in GNSS-denied environments. However, these methods are primarily tailored to autonomous driving, exhibiting significantly…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Hengyu Mu , Jianshi Wu , Yuxin Guo , XianLian Lin , Qingyong Hu , Sheng Ao , Chenglu Wen , Cheng Wang

In recent years, unmanned aerial vehicle (UAV) imaging is a suitable solution for real-time monitoring different vehicles on the urban scale. Real-time vehicle detection with the use of uncertainty estimation in deep meta-learning for the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Mehdi Khoshboresh-Masouleh , Reza Shah-Hosseini

This paper studies the optimal unmanned aerial vehicle (UAV) placement problem for wireless networking. The UAV operates as a flying wireless relay to provide coverage extension for a base station (BS) and deliver capacity boost to a user…

Information Theory · Computer Science 2019-11-01 Junting Chen , David Gesbert

Autonomous operation of UAVs in a closed environment requires precise and reliable pose estimate that can stabilize the UAV without using external localization systems such as GNSS. In this work, we are concerned with estimating the pose…

Robotics · Computer Science 2023-02-06 Matěj Petrl\' ik , Tom\' aš Krajn\' ik , Martin Saska

We propose a new method named LoD-Loc for visual localization in the air. Unlike existing localization algorithms, LoD-Loc does not rely on complex 3D representations and can estimate the pose of an Unmanned Aerial Vehicle (UAV) using a…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Juelin Zhu , Shen Yan , Long Wang , Shengyue Zhang , Yu Liu , Maojun Zhang

We introduce a novel framework to track multiple objects in overhead camera videos for airport checkpoint security scenarios where targets correspond to passengers and their baggage items. We propose a Self-Supervised Learning (SSL)…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Abubakar Siddique , Henry Medeiros

In recent years, there have been frequent incidents of foreign objects intruding into railway and Airport runways. These objects can include pedestrians, vehicles, animals, and debris. This paper introduces an improved YOLOv5 architecture…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Zongqing Qi , Danqing Ma , Jingyu Xu , Ao Xiang , Hedi Qu

Today's railway signalling system heavily relies on trackside infrastructure such as axle counters and track balises. This system has proven itself to be reliable, however, it is not very efficient and, moreover, very costly. Thus, it is…

Signal Processing · Electrical Eng. & Systems 2020-02-18 Hanno Winter , Volker Willert , Jürgen Adamy

This work proposes a process for efficiently training a point-wise object detector that enables localizing objects and computing their 6D poses in cluttered and occluded scenes. Accurate pose estimation is typically a requirement for robust…

Computer Vision and Pattern Recognition · Computer Science 2019-02-22 Jean-Philippe Mercier , Chaitanya Mitash , Philippe Giguère , Abdeslam Boularias

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

In the last twenty years, unmanned aerial vehicles (UAVs) have garnered growing interest due to their expanding applications in both military and civilian domains. Detecting non-cooperative aerial vehicles with efficiency and estimating…

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