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By utilizing global navigation satellite system (GNSS) position and velocity measurements, the fusion between the GNSS and the inertial navigation system provides accurate and robust navigation information. When considering land…

Robotics · Computer Science 2023-09-19 Nitzan Dahan , Itzik Klein

In building intelligent transportation systems such as taxi or rideshare services, accurate prediction of travel time and distance is crucial for customer experience and resource management. Using the NYC taxi dataset, which contains taxi…

Machine Learning · Statistics 2017-10-13 Ishan Jindal , Tony , Qin , Xuewen Chen , Matthew Nokleby , Jieping Ye

In spatial statistics, a common objective is to predict values of a spatial process at unobserved locations by exploiting spatial dependence. Kriging provides the best linear unbiased predictor using covariance functions and is often…

Machine Learning · Statistics 2022-05-25 Wanfang Chen , Yuxiao Li , Brian J Reich , Ying Sun

While high altitude platform stations (HAPS) have been primarily explored as network infrastructure for communication services, their advantageous characteristics also make them promising candidates for augmenting GNSS localization. This…

Systems and Control · Electrical Eng. & Systems 2026-02-10 Hongzhao Zheng , Mohamed Atia , Halim Yanikomeroglu

Long-term situation prediction plays a crucial role in the development of intelligent vehicles. A major challenge still to overcome is the prediction of complex downtown scenarios with multiple road users, e.g., pedestrians, bikes, and…

Robotics · Computer Science 2017-11-08 Stefan Hoermann , Martin Bach , Klaus Dietmayer

Accurate and robust vehicle localization in highly urbanized areas is challenging. Sensors are often corrupted in those complicated and large-scale environments. This paper introduces GNSS-FGO, an online and global trajectory estimator that…

Robotics · Computer Science 2025-10-10 Haoming Zhang , Chih-Chun Chen , Heike Vallery , Timothy D. Barfoot

In urban areas, global navigation satellite system (GNSS) signals are often reflected or blocked by buildings, thus resulting in large positioning errors. In this study, we proposed a machine learning approach for global positioning system…

Networking and Internet Architecture · Computer Science 2022-08-10 Sanghyun Kim , Jungyun Byun , Kwansik Park

In this paper, we study the localization problem in dense urban settings. In such environments, Global Navigation Satellite Systems fail to provide good accuracy due to low likelihood of line-of-sight (LOS) links between the receiver (Rx)…

Signal Processing · Electrical Eng. & Systems 2022-12-02 Çağkan Yapar , Fabian Jaensch , Ron Levie , Giuseppe Caire

Dense pose estimation is a dense 3D prediction task for instance-level human analysis, aiming to map human pixels from an RGB image to a 3D surface of the human body. Due to a large amount of surface point regression, the training process…

Computer Vision and Pattern Recognition · Computer Science 2022-11-07 Wenhe Jia , Yilin Zhou , Xuhan Zhu , Mengjie Hu , Chun Liu , Qing Song

Maps are essential for diverse applications, such as vehicle navigation and autonomous robotics. Both require spatial models for effective route planning and localization. This paper addresses the challenge of road graph construction for…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Balázs Opra , Betty Le Dem , Jeffrey M. Walls , Dimitar Lukarski , Cyrill Stachniss

Global Navigation Satellite Systems typically perform poorly in urban environments, where the likelihood of line-of-sight conditions between devices and satellites is low. Therefore, alternative location methods are required to achieve good…

Machine Learning · Computer Science 2023-04-11 Çağkan Yapar , Ron Levie , Gitta Kutyniok , Giuseppe Caire

Deployment of automated ground vehicles (AGVs) beyond the confines of sunny and dry climes will require sub-lane-level positioning techniques based on radio waves rather than near-visible-light radiation. Like human sight, lidar and cameras…

Signal Processing · Electrical Eng. & Systems 2020-05-05 Lakshay Narula , Peter A. Iannucci , Todd E. Humphreys

Global Positioning System (GPS) navigation provides accurate positioning with global coverage, making it a reliable option in open areas with unobstructed sky views. However, signal degradation may occur in indoor spaces and urban canyons.…

Systems and Control · Electrical Eng. & Systems 2024-05-15 Simegnew Yihunie Alaba

In this paper, we propose a 3D LiDAR aided global navigation satellite system (GNSS) non-line-of-sight (NLOS) mitigation method caused by both static buildings and dynamic objects. A sliding window map describing the surrounding of the…

Robotics · Computer Science 2021-12-14 Weisong Wen , Li-Ta Hsu

We present a terrain traversability mapping and navigation system (TNS) for autonomous excavator applications in an unstructured environment. We use an efficient approach to extract terrain features from RGB images and 3D point clouds and…

Robotics · Computer Science 2022-05-09 Tianrui Guan , Zhenpeng He , Ruitao Song , Dinesh Manocha , Liangjun Zhang

Image retrieval has been employed as a robust complementary technique to address the challenge of Unmanned Aerial Vehicles (UAVs) self-positioning. However, most existing methods primarily focus on localizing objects captured by UAVs…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Yuanze Xu , Ming Dai , Wenxiao Cai , Wankou Yang

In the rapidly evolving landscape of transportation, the proliferation of automobiles has made road traffic more complex, necessitating advanced vision-assisted technologies for enhanced safety and navigation. These technologies are…

Computer Vision and Pattern Recognition · Computer Science 2024-03-14 Dhruv Toshniwal , Saurabh Loya , Anuj Khot , Yash Marda

In the maritime sector, safe vessel navigation is of great importance, particularly in congested harbors and waterways. The focus of this work is to estimate the distance between an object of interest and potential obstacles using a…

Robotics · Computer Science 2021-08-10 Jonas le Fevre Sejersen , Rui Pimentel de Figueiredo , Erdal Kayacan

The 5G networks have extensively promoted the growth of mobile users and novel applications, and with the skyrocketing user requests for a large amount of popular content, the consequent content delivery services (CDSs) have been bringing a…

Networking and Internet Architecture · Computer Science 2023-08-25 Shaoyuan Huang , Heng Zhang , Xiaofei Wang , Min Chen , Jianxin Li , Victor C. M. Leung

Differential GPS, commonly referred as DGPS, is a well-known and very accurate localization system for many outdoor applications in particular for mobile outdoor robotics. The most common drawback of DGPS systems are the high costs for both…

Robotics · Computer Science 2023-06-23 Christian Blesing , Jan Finke , Sebastian Hoose , Anneliese Schweigert , Jonas Stenzel