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Accurately generating ground truth (GT) trajectories is essential for Simultaneous Localization and Mapping (SLAM) evaluation, particularly under varying environmental conditions. This study introduces a systematic approach employing a…

Robotics · Computer Science 2024-02-07 Xiangcheng Hu , Linwei Zheng , Jin Wu , Ruoyu Geng , Yang Yu , Hexiang Wei , Xiaoyu Tang , Lujia Wang , Jianhao Jiao , Ming Liu

In emergency search and rescue scenarios, the quick location of trapped people is essential. However, disasters can render the Global Positioning System (GPS) unusable. Unmanned aerial vehicles (UAVs) with localization devices can serve as…

Multiagent Systems · Computer Science 2024-01-17 Zhihao Zhu , Jiafan He , Luyang Hou , Lianming Xu , Wendi Zhu , Li Wang

While LiDAR and cameras are becoming ubiquitous for unmanned aerial vehicles (UAVs) but can be ineffective in challenging environments, 4D millimeter-wave (MMW) radars that can provide robust 3D ranging and Doppler velocity measurements are…

Robotics · Computer Science 2025-02-24 Jinwen Zhu , Jun Hu , Xudong Zhao , Xiaoming Lang , Yinian Mao , Guoquan Huang

Urban environments offer a challenging scenario for autonomous driving. Globally localizing information, such as a GPS signal, can be unreliable due to signal shadowing and multipath errors. Detailed a priori maps of the environment with…

Robotics · Computer Science 2018-10-11 Jordan Chipka , Mark Campbell

Localization is a fundamental enabler technology for many applications, like vehicular networks, IoT, and even medicine. While Global Navigation Satellite Systems solutions offer great performance, they are unavailable in scenarios like…

Optimization and Control · Mathematics 2024-04-03 Filipa Valdeira , Cláudia Soares , João Gomes

Navigation of UAVs in unknown environments with obstacles is essential for applications in disaster response and infrastructure monitoring. However, existing obstacle avoidance algorithms, such as Artificial Potential Field (APF) are unable…

Robotics · Computer Science 2025-06-10 Shahid Mohammad Mulla , Aryan Kanakapudi , Lakshmi Narasimhan , Anuj Tiwari

Vision-based localization approaches now underpin newly emerging navigation pipelines for myriad use cases from robotics to assistive technologies. Compared to sensor-based solutions, vision-based localization does not require pre-installed…

Computer Vision and Pattern Recognition · Computer Science 2022-11-21 Anbang Yang , Mahya Beheshti , Todd E Hudson , Rajesh Vedanthan , Wachara Riewpaiboon , Pattanasak Mongkolwat , Chen Feng , John-Ross Rizzo

A novel near-field integrated sensing and communications framework for secure unmanned aerial vehicle (UAV) networks with high time efficiency is proposed. A ground base station (GBS) with large aperture size communicates with one…

Signal Processing · Electrical Eng. & Systems 2025-08-18 Jingjing Zhao , Songtao Xue , Kaiquan Cai , Xidong Mu , Yuanwei Liu , Yanbo Zhu

We study landmark-based SLAM with unknown data association: our robot navigates in a completely unknown environment and has to simultaneously reason over its own trajectory, the positions of an unknown number of landmarks in the…

Robotics · Computer Science 2023-05-05 Yihao Zhang , Odin A. Severinsen , John J. Leonard , Luca Carlone , Kasra Khosoussi

While many works exploiting an existing Lie group structure have been proposed for state estimation, in particular the Invariant Extended Kalman Filter (IEKF), few papers address the construction of a group structure that allows casting a…

Systems and Control · Electrical Eng. & Systems 2022-02-08 Axel Barrau , Silvere Bonnabel

This paper proposes a novel approach for Simultaneous Localization and Mapping by fusing natural and artificial landmarks. Most of the SLAM approaches use natural landmarks (such as keypoints). However, they are unstable over time,…

Computer Vision and Pattern Recognition · Computer Science 2019-02-12 Rafael Munoz-Salinas , Rafael Medina-Carnicer

This paper develops a distributed collaborative localization algorithm based on an extended kalman filter. This algorithm incorporates Ultra-Wideband (UWB) measurements for vehicle to vehicle ranging, and shows improvements in localization…

Robotics · Computer Science 2023-10-10 Jacob Hartzer , Srikanth Saripalli

Deep reinforcement learning (DRL) finds extensive application in autonomous drone navigation within complex, high-risk environments. However, its practical deployment faces a safety-exploration dilemma: soft penalty mechanisms encourage…

Robotics · Computer Science 2026-05-04 Wentao Chen , Jingtang Chen , Mingjian Fu , Tiantian Li , Youfeng Su , Wenxi Liu , Yuanlong Yu

Many modern simultaneous localization and mapping (SLAM) techniques rely on sparse landmark-based maps due to their real-time performance. However, these techniques frequently assert that these landmarks are fixed in position over time,…

Robotics · Computer Science 2020-08-04 Samuel Bateman , Kyle Harlow , Christoffer Heckman

Local navigation in cluttered environments often suffers from dense obstacles and frequent local minima. Conventional local planners rely on heuristics and are prone to failure, while deep reinforcement learning(DRL)based approaches provide…

Robotics · Computer Science 2026-03-18 Jiwon Park , Dongkyu Lee , I Made Aswin Nahrendra , Jaeyoung Lim , Hyun Myung

Landmark localization in images and videos is a classic problem solved in various ways. Nowadays, with deep networks prevailing throughout machine learning, there are revamped interests in pushing facial landmark detection technologies to…

Computer Vision and Pattern Recognition · Computer Science 2019-08-16 Joseph P Robinson , Yuncheng Li , Ning Zhang , Yun Fu , and Sergey Tulyakov

Indoor navigation remains a complex challenge due to the absence of reliable GPS signals and the architectural intricacies of large enclosed environments. This study presents an indoor localization and navigation approach that integrates…

Machine Learning · Computer Science 2025-08-12 Keyan Rahimi , Md. Wasiul Haque , Sagar Dasgupta , Mizanur Rahman

Localization in GPS-denied environments is critical for autonomous systems, and traditional methods like SLAM have limitations in generalizability across diverse environments. Magnetic-based navigation (MagNav) offers a robust solution by…

Robotics · Computer Science 2024-07-30 Aditya Penumarti , Kristy Waters , Humberto Ramos , Kevin Brink , Jane Shin

Visual localization is crucial for Computer Vision and Augmented Reality (AR) applications, where determining the camera or device's position and orientation is essential to accurately interact with the physical environment. Traditional…

Robotics · Computer Science 2025-01-22 Albert Gassol Puigjaner , Irvin Aloise , Patrik Schmuck

The main goal of this project is that the basic EKF-based SLAM operation can be implemented sufficiently for estimating the state of the UGV that is operated in this real environment involving dynamic objects. Several problems in practical…

Robotics · Computer Science 2019-05-17 Roni Permana Saputra