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The generalized winding number (GWN) is a scalar field that supports robust containment queries on curved geometry, including non-watertight, overlapping, and nested boundary representations. While queries can be easily parallelized over…

Graphics · Computer Science 2026-05-20 Jacob Spainhour , Brad Whitlock , Kenneth Weiss

In the article, we describe a trajectory planning problem for a 6-DOF robotic manipulator arm that carries an ultra-wideband (UWB) radar sensor with synthetic aperture (SAR). The resolution depends on the trajectory and velocity profile of…

Systems and Control · Computer Science 2017-10-12 Stefan Brüggenwirth , Fernando Rial

Range-only (RO) localization involves determining the position of a mobile robot by measuring the distance to specific anchors. RO localization is challenging since the measurements are low-dimensional and a single range sensor does not…

Robotics · Computer Science 2023-05-17 Abhishek Goudar , Timothy D. Barfoot , Angela P. Schoellig

As the phasor measurement unit (PMU) placement problem involves a cost-benefit trade-off, more PMUs get placed on the higher voltage buses. However, this causes many of the lower voltage levels of the bulk power system to not be observed by…

Signal Processing · Electrical Eng. & Systems 2024-03-22 Antos Cheeramban Varghese , Hritik Shah , Behrouz Azimian , Anamitra Pal , Evangelos Farantatos

This paper studies the problem of designing a certified vision-based state estimator for autonomous landing systems. In such a system, a neural network (NN) processes images from a camera to estimate the aircraft relative position with…

Robotics · Computer Science 2023-09-12 Ulices Santa Cruz Leal , Yasser Shoukry

In this paper a concept of hybrid Bluetooth Low Energy (BLE) Ultra-wideband (UWB) positioning system is presented. The system is intended to be energy efficient. Low energy BLE unit is used as a primary source of measurement data and for…

Signal Processing · Electrical Eng. & Systems 2024-04-04 Marcin Kolakowski

Radar sensing has emerged in recent years as a promising solution for unobtrusive and continuous in-home gait monitoring. This study evaluates whether a unified processing framework can be applied to radar-based spatiotemporal gait analysis…

Signal Processing · Electrical Eng. & Systems 2026-01-09 Charalambos Hadjipanayi , Maowen Yin , Alan Bannon , Ziwei Chen , Timothy G. Constandinou

This paper proposes a new method for accurate and robust 6D pose estimation of novel objects, named GS2Pose. By introducing 3D Gaussian splatting, GS2Pose can utilize the reconstruction results without requiring a high-quality CAD model,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-11 Jilan Mei , Junbo Li , Cai Meng

Nonlinear state estimation (SE), with the goal of estimating complex bus voltages based on all types of measurements available in the power system, is usually solved using the iterative Gauss-Newton method. The nonlinear SE presents some…

Machine Learning · Computer Science 2022-09-09 Ognjen Kundacina , Mirsad Cosovic , Dragisa Miskovic , Dejan Vukobratovic

We present a novel device-free stationary person detection and ranging method, that is applicable to ultra-wide bandwidth (UWB) networks. The method utilizes a fixed UWB infrastructure and does not require a training database of template…

Other Computer Science · Computer Science 2016-11-17 Yakup Kilic , Henk Wymeersch , Arjan Meijerink , Mark J. Bentum , William G. Scanlon

Hand tracking is an important aspect of human-computer interaction and has a wide range of applications in extended reality devices. However, current hand motion capture methods suffer from various limitations. For instance, visual-based…

Computer Vision and Pattern Recognition · Computer Science 2023-09-18 Qiang Zhang , Yuanqiao Lin , Yubin Lin , Szymon Rusinkiewicz

Multi-robot localization is a crucial task for implementing multi-robot systems. Numerous researchers have proposed optimization-based multi-robot localization methods that use camera, IMU, and UWB sensors. Nevertheless, characteristics of…

Distributed systems have been widely used in practice to accomplish data analysis tasks of huge scales. In this work, we target on the estimation problem of generalized linear models on a distributed system with nonrandomly distributed…

Methodology · Statistics 2020-04-07 Feifei Wang , Danyang Huang , Yingqiu Zhu , Hansheng Wang

Environment mapping is an essential prerequisite for mobile robots to perform different tasks such as navigation and mission planning. With the availability of low-cost 2D LiDARs, there are increasing applications of such 2D LiDARs in…

Robotics · Computer Science 2021-06-08 Ran Liu , Yongping He , Chau Yuen , Billy Pik Lik Lau , Rashid Ali , Wenpeng Fu , Zhiqiang Cao

We propose an image-based cross-view geolocalization method that estimates the global pose of a UAV with the aid of georeferenced satellite imagery. Our method consists of two Siamese neural networks that extract relevant features despite…

Robotics · Computer Science 2018-09-18 Akshay Shetty , Grace Xingxin Gao

Indoor positioning systems based on Ultra-wideband (UWB) technology are gaining recognition for their ability to provide cm-level localization accuracy. However, these systems often encounter challenges caused by dense multi-path fading,…

Machine Learning · Computer Science 2024-04-11 Phuong Bich Duong , Ben Van Herbruggen , Arne Broering , Adnan Shahid , Eli De Poorter

This paper deals with the problem of full state estimation for vehicles navigating in a three dimensional space. We assume that the vehicle is equipped with an Inertial Measurement Unit (IMU) providing body-frame measurements of the angular…

Optimization and Control · Mathematics 2021-02-01 Soulaimane Berkane , Abdelhamid Tayebi , Simone de Marco

Deep learning-based object pose estimators are often unreliable and overconfident especially when the input image is outside the training domain, for instance, with sim2real transfer. Efficient and robust uncertainty quantification (UQ) in…

Ultra-wideband (UWB) technology is a mature technology that contested other wireless technologies in the advent of the IoT but did not achieve the same levels of widespread adoption. In recent years, however, with its potential as a…

Robotics · Computer Science 2021-09-10 Xianjia Yu , Qingqing Li , Jorge Peña Queralta , Jukka Heikkonen , Tomi Westerlund

Non-Line-of-Sight (NLoS) propagation condition is a crucial factor affecting the precision of the localization in the Ultra-Wideband (UWB) Indoor Positioning System (IPS). Numerous supervised Machine Learning (ML) approaches have been…

Signal Processing · Electrical Eng. & Systems 2023-04-24 Fuhu Che , Qasim Zeeshan Ahmed , Jaron Fontaine , Ben Van Herbruggen , Adnan Shahid , Eli De Poorter , Pavlos I. Lazaridis
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