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A dynamic weighted directed graph (DWDG) is commonly encountered in various application scenarios. It involves extensive dynamic interactions among numerous nodes. Most existing approaches explore the intricate temporal patterns hidden in a…

人工智能 · 计算机科学 2024-08-01 Hongxun Zhou , Xiangyu Chen , Ye Yuan

The distributed adaptive signal fusion (DASF) framework allows to solve spatial filtering optimization problems in a distributed and adaptive fashion over a bandwidth-constrained wireless sensor network. The DASF algorithm requires each…

信号处理 · 电气工程与系统科学 2025-05-02 Cem Ates Musluoglu , Alexander Bertrand

Precise positioning and navigation information has been increasingly important with the development of the consumer electronics market. Due to some deficits of Global Navigation Satellite System (GNSS), such as susceptible to interferences,…

机器人学 · 计算机科学 2024-07-10 Qijia Zhao , Shaolin Lü , Jianan Lou , Rong Zhang

The paper presents the gossip interactive Kalman filter (GIKF) for distributed Kalman filtering for networked systems and sensor networks, where inter-sensor communication and observations occur at the same time-scale. The communication…

信息论 · 计算机科学 2015-05-18 Soummya Kar , José M. F. Moura

This paper describes a novel tracking filter, designed primarily for use in collision avoidance systems on autonomous surface vehicles (ASVs). The proposed methodology leverages real-time kinematic information broadcast via the Automatic…

机器人学 · 计算机科学 2021-11-29 Blake Cole , Gabriel Schamberg

We present the first distributed optimization algorithm with lazy communication for collaborative geometric estimation, the backbone of modern collaborative simultaneous localization and mapping (SLAM) and structure-from-motion (SfM)…

机器人学 · 计算机科学 2022-08-02 Yulun Tian , Amrit Singh Bedi , Alec Koppel , Miguel Calvo-Fullana , David M. Rosen , Jonathan P. How

Pose estimation is important for robotic perception, path planning, etc. Robot poses can be modeled on matrix Lie groups and are usually estimated via filter-based methods. In this paper, we establish the closed-form formula for the error…

机器人学 · 计算机科学 2022-06-22 Xinghan Li , Haodong Jiang , Xingyu Chen , He Kong , Junfeng Wu

Odometry estimation is crucial for every autonomous system requiring navigation in an unknown environment. In modern mobile robots, 3D LiDAR-inertial systems are often used for this task. By fusing LiDAR scans and IMU measurements, these…

机器人学 · 计算机科学 2024-05-09 Yibin Wu , Tiziano Guadagnino , Louis Wiesmann , Lasse Klingbeil , Cyrill Stachniss , Heiner Kuhlmann

In this letter, we propose a novel channel transfer function (CTF) estimation approach for orthogonal frequency division multiplexing (OFDM) systems in high-mobility scenarios, that leverages the stationary properties of the delay-Doppler…

信号处理 · 电气工程与系统科学 2024-12-11 Yiyan Ma , Bo Ai , Guoyu Ma , Akram Shafie , Qingqing Cheng , Mi Yang , Jingli Li , Xuebo Pang , Jinhong Yuan , Zhangdui Zhong

Kalman filter-based algorithms are fundamental for mobile robots, as they provide a computationally efficient solution to the challenging problem of state estimation. However, they rely on two main assumptions that are difficult to satisfy…

We study the problem of semi-blind channel estimation and symbol detection in the uplink of multi-cell massive MIMO systems with spatially correlated time-varying channels. An algorithm based on expectation propagation (EP) is developed to…

信息论 · 计算机科学 2022-12-06 Mort Naraghi-Pour , Mohammed Rashid , Cesar Vargas-Rosales

Wireless traffic prediction plays an indispensable role in cellular networks to achieve proactive adaptation for communication systems. Along this line, Federated Learning (FL)-based wireless traffic prediction at the edge attracts enormous…

分布式、并行与集群计算 · 计算机科学 2025-01-03 Chuanting Zhang , Haixia Zhang , Shuping Dang , Basem Shihada , Mohamed-Slim Alouini

FastSLAM is a framework for simultaneous localization using a Rao-Blackwellized particle filter. In FastSLAM, particle filter is used for the mobile robot pose (position and orientation) estimation, and an Extended Kalman Filter (EKF) is…

机器人学 · 计算机科学 2010-03-23 R. Havangi , M. Teshnehlab , M. A. Nekoui

Accurate structural response prediction forms a main driver for structural health monitoring and control applications. This often requires the proposed model to adequately capture the underlying dynamics of complex structural systems. In…

机器学习 · 计算机科学 2023-07-04 Wei Liu , Zhilu Lai , Kiran Bacsa , Eleni Chatzi

In this paper we address the problem of estimating the posterior distribution of the static parameters of a continuous time state space model with discrete time observations by an algorithm that combines the Kalman filter and a particle…

统计计算 · 统计学 2019-05-22 Jian He , Asma Khedher , Peter Spreij

We propose a new type of the Ensemble Kalman Filter (EnKF), which uses the Fast Fourier Transform (FFT) for covariance estimation from a very small ensemble with automatic tapering, and for a fast computation of the analysis ensemble by…

大气与海洋物理 · 物理学 2011-08-01 Jan Mandel , Jonathan D. Beezley , Volodymyr Y. Kondratenko

Application of two new UKF based estimation techniques with reduced processing time in re-entry vehicle position and velocity estimation problem using ground-based range and elevation measurements is presented. The first method is called…

系统与控制 · 计算机科学 2016-11-30 Sanat Biswas , Li Qiao , Andrew Dempster

Natural disasters, such as hurricanes and typhoons, pose significant challenges to public safety and infrastructure. While government agencies rely on multi million dollar UAV systems for storm data collection and disaster response, smaller…

动力系统 · 数学 2025-09-17 Ahmed A. Elgohary , Benjamin Gwinnell , Josh Augustine

This article examines state estimation in discrete-time nonlinear stochastic systems with finite-dimensional states and infinite-dimensional measurements, motivated by real-world applications such as vision-based localization and tracking.…

系统与控制 · 电气工程与系统科学 2025-09-24 Maxwell M. Varley , Timothy L. Molloy , Girish N. Nair

We consider filtering in high-dimensional non-Gaussian state-space models with intractable transition kernels, nonlinear and possibly chaotic dynamics, and sparse observations in space and time. We propose a novel filtering methodology that…

统计方法学 · 统计学 2022-04-07 Alessio Spantini , Ricardo Baptista , Youssef Marzouk