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Simultaneously transmitting (refracting) and reflecting reconfigurable intelligent surfaces (STAR-RISs) have been recently identified to improve the spectrum/energy efficiency and extend the communication range. However, their potential for…

信号处理 · 电气工程与系统科学 2022-07-20 Jiguang He , Aymen Fakhreddine , George C. Alexandropoulos

A microphone array can provide a mobile robot with the capability of localizing, tracking and separating distant sound sources in 2D, i.e., estimating their relative elevation and azimuth. To combine acoustic data with visual information in…

音频与语音处理 · 电气工程与系统科学 2020-07-23 Simon Michaud , Samuel Faucher , François Grondin , Jean-Samuel Lauzon , Mathieu Labbé , Dominic Létourneau , François Ferland , François Michaud

Emerging 3D scene representations, such as Neural Radiance Fields (NeRF) and 3D Gaussian Splatting (3DGS), have demonstrated their effectiveness in Simultaneous Localization and Mapping (SLAM) for photo-realistic rendering, particularly…

计算机视觉与模式识别 · 计算机科学 2025-08-11 Peng Wang , Lingzhe Zhao , Yin Zhang , Shiyu Zhao , Peidong Liu

In the recent years, there has been a huge advancement in wireless sensor computing technology. Today, wireless sensor network (WSN) has become a key technology for different types of smart environment. Nodes localization in WSN has arisen…

网络与互联网体系结构 · 计算机科学 2016-06-24 Biljana Risteska Stojkoska

Existing Simultaneous Localization and Mapping (SLAM) approaches are limited in their scalability due to growing map size in long-term robot operation. Moreover, processing such maps for localization and planning tasks leads to the…

Simultaneous localization and mapping, especially the one relying solely on video data (vSLAM), is a challenging problem that has been extensively studied in robotics and computer vision. State-of-the-art vSLAM algorithms are capable of…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Andrey Bokovoy , Kirill Muraviev , Konstantin Yakovlev

Recent work has shown impressive localization performance using only images of ground textures taken with a downward facing monocular camera. This provides a reliable navigation method that is robust to feature sparse environments and…

机器人学 · 计算机科学 2023-03-13 Kyle M. Hart , Brendan Englot , Ryan P. O'Shea , John D. Kelly , David Martinez

Simultaneous localization and mapping (SLAM) approaches for mobile robots remains challenging in forest or arboreal fruit farming environments, where tree canopies obstruct Global Navigation Satellite Systems (GNSS) signals. Unlike indoor…

We present a fast, scalable, and accurate Simultaneous Localization and Mapping (SLAM) system that represents indoor scenes as a graph of objects. Leveraging the observation that artificial environments are structured and occupied by…

机器人学 · 计算机科学 2020-11-06 Akash Sharma , Wei Dong , Michael Kaess

Huge overhead of beam training imposes a significant challenge in millimeter-wave (mmWave) wireless communications. To address this issue, in this paper, we propose a wide beam based training approach to calibrate the narrow beam direction…

信号处理 · 电气工程与系统科学 2021-07-21 Ke Ma , Dongxuan He , Hancun Sun , Zhaocheng Wang , Sheng Chen

We present a simultaneous localization and mapping (SLAM) algorithm that is based on radio signals and the association of specular multipath components (MPCs) with geometric features. Especially in indoor scenarios, robust localization from…

信息论 · 计算机科学 2019-08-30 Erik Leitinger , Florian Meyer , Franz Hlawatsch , Klaus Witrisal , Fredrik Tufvesson , Moe Z. Win

Multi-robot simultaneous localization and mapping (SLAM) enables a robot team to achieve coordinated tasks by relying on a common map of the environment. Constructing a map by centralized processing of the robot observations is undesirable…

机器人学 · 计算机科学 2024-08-22 Hanwen Cao , Sriram Shreedharan , Nikolay Atanasov

In this paper, we present a multipath-based simultaneous localization and mapping (SLAM) algorithm that continuously adapts mulitiple map feature (MF) models describing specularly reflected multipath components (MPCs) from flat surfaces and…

信号处理 · 电气工程与系统科学 2024-03-18 Xuhong Li , Xuesong Cai , Erik Leitinger , Fredrik Tufvesson

Global place recognition and 3D relocalization are one of the most important components in the loop closing detection for 3D LiDAR Simultaneous Localization and Mapping (SLAM). In order to find the accurate global 6-DoF transform by feature…

机器人学 · 计算机科学 2023-09-18 Kyeongsu Kang , Minjae Lee , Hyeonwoo Yu

Precise indoor localization remains a challenging problem for a variety of essential applications. A promising approach to address this problem is to exchange radio signals between mobile agents and static physical anchors (PAs) that bounce…

信号处理 · 电气工程与系统科学 2022-06-22 Erik Leitinger , Bryan Teague , Wenyu Zhang , Mingchao Liang , Florian Meyer

Simultaneous Localization and Mapping (SLAM) allows mobile robots to navigate without external positioning systems or pre-existing maps. Radar is emerging as a valuable sensing tool, especially in vision-obstructed environments, as it is…

SLAM (Simultaneous Localization and mapping) is one of the most challenging problems for mobile platforms and there is a huge amount of modern SLAM algorithms. The choice of the algorithm that might be used in every particular problem…

机器人学 · 计算机科学 2017-08-09 Anton Filatov , Artyom Filatov , Kirill Krinkin , Baian Chen , Diana Molodan

In this work, we propose a general framework for wireless imaging in distributed MIMO wideband communication systems, considering multi-view non-isotropic targets and near-field propagation effects. For indoor scenarios where the objective…

信号处理 · 电气工程与系统科学 2025-08-26 Kangda Zhi , Tianyu Yang , Shuangyang Li , Yi Song , Amir Rezaei , Giuseppe Caire

The real-world deployment of fully autonomous mobile robots depends on a robust SLAM (Simultaneous Localization and Mapping) system, capable of handling dynamic environments, where objects are moving in front of the robot, and changing…

In the Wireless Localization Matching Problem (WLMP) the challenge is to match pieces of equipment with a set of candidate locations based on wireless signal measurements taken by the pieces of equipment. This challenge is complicated by…

信号处理 · 电气工程与系统科学 2019-08-15 Amin Ghafourian , Orestis Georgiou , Edmund Barter , Thilo Gross