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Related papers: 3D Positioning using a New Diffraction Path Model

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Neural Radiance Fields (NeRF) have been adapted for indoor 3D Object Detection (3DOD), offering a promising approach to indoor 3DOD via view-synthesis representation. But its implicit nature limits representational capacity. Recently, 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Yang Cao , Yuanliang Ju , Dan Xu

Non-line-of-sight (NLOS) imaging of objects not visible to either the camera or illumination source is a challenging task with vital applications including surveillance and robotics. Recent NLOS reconstruction advances have been achieved…

Image and Video Processing · Electrical Eng. & Systems 2019-07-30 Sreenithy Chandran , Suren Jayasuriya

Object segmentation in three-dimensional (3-D) point clouds is a critical task for robots capable of 3-D perception. Despite the impressive performance of deep learning-based approaches on object segmentation in 2-D images, deep learning…

Image and Video Processing · Electrical Eng. & Systems 2019-10-31 Brian H. Wang , Wei-Lun Chao , Yan Wang , Bharath Hariharan , Kilian Q. Weinberger , Mark Campbell

Conventional imaging requires a line of sight to create accurate visual representations of a scene. In certain circumstances, however, obtaining a suitable line of sight may be impractical, dangerous, or even impossible. Non-line-of-sight…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Fadlullah Raji , John Murray-Bruce

Localization of autonomous unmanned aerial vehicles (UAVs) relies heavily on Global Navigation Satellite Systems (GNSS), which are susceptible to interference. Especially in security applications, robust localization algorithms independent…

Robotics · Computer Science 2025-01-09 Jouko Kinnari , Riccardo Renzulli , Francesco Verdoja , Ville Kyrki

In this paper, we investigate an unmanned aerial vehicle (UAV)-assisted integrated communication and localization network in emergency scenarios where a single UAV is deployed as both an airborne base station (BS) and anchor node to assist…

Networking and Internet Architecture · Computer Science 2023-06-07 Suzhi Bi , Jiaxing Yu , Zheyuan Yang , Xiaohui Lin , Yuan Wu

Positioning has recently received considerable attention as a key enabler in emerging applications such as extended reality, unmanned aerial vehicles and smart environments. These applications require both data communication and…

Signal Processing · Electrical Eng. & Systems 2024-03-19 Yang Yang , Mingzhe Chen , Yufei Blankenship , Jemin Lee , Zabih Ghassemlooy , Julian Cheng , Shiwen Mao

Global navigation satellite systems (GNSS) are widely used for navigation and time distribution, features indispensable for critical infrastructure such as mobile communication networks, as well as emerging technologies like automated…

The accurate modeling of indoor radio propagation is crucial for localization, monitoring, and device coordination, yet remains a formidable challenge, due to the complex nature of indoor environments where radio can propagate along…

Information Theory · Computer Science 2024-01-02 Lihao Zhang , Haijian Sun , Jin Sun , Rose Qingyang Hu

Most prior work on performance analysis of ultra-dense cellular networks (UDNs) has considered standard power-law path loss models and non-line-of-sight (NLOS) propagation modeled by Rayleigh fading. The effect of line-of-sight (LOS) on…

Information Theory · Computer Science 2016-09-29 Jesús Arnau , Italo Atzeni , Marios Kountouris

Novel View Synthesis (NVS) for street scenes play a critical role in the autonomous driving simulation. The current mainstream technique to achieve it is neural rendering, such as Neural Radiance Fields (NeRF) and 3D Gaussian Splatting…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Zhongrui Yu , Haoran Wang , Jinze Yang , Hanzhang Wang , Zeke Xie , Yunfeng Cai , Jiale Cao , Zhong Ji , Mingming Sun

Indoor positioning is an essential technology for a wide range of applications in GNSS-denied environments, including indoor navigation and IoT systems. Combining convolutional neural networks (CNNs) and magnetic field-based features offers…

Robotics · Computer Science 2026-04-28 Helge Rosé , Konstantin Klipp , Tom Koubek , Bernd Schäufele , Ilja Radusch

In this communication revolution era, visible light communication (VLC) is the optimum efficacious answer to the increased request for high-speed data transmission with reduced cost, besides the illumination. This technology is considered…

Signal Processing · Electrical Eng. & Systems 2022-09-16 Vailet Hikmat Faraj Al Khattat , Siti Barirah Ahmad Anas , Abdu Saif

Line-of-sight (LoS) path is essential for the reliability of air-to-ground (A2G) communications, but the existence of LoS path is difficult to predict due to random obstacles on the ground. Based on the statistical geographic information…

Signal Processing · Electrical Eng. & Systems 2022-08-17 Qiuming Zhu , Fei Bai , Minghui Pang , Jie Li , Weizhi Zhong , Xiaomin Chen , Kai Mao

Accurate prediction of pedestrian trajectories is crucial for improving the safety of autonomous driving. However, this task is generally nontrivial due to the inherent stochasticity of human motion, which naturally requires the predictor…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Ge Sun , Sheng Wang , Lei Zhu , Ming Liu , Jun Ma

Developing ways to affordably deliver broadband connectivity is one of the major issues of our time. In challenging deployment locations with irregular terrain, traditional Clear-Line-Of-Sight (CLOS) wireless links can be uneconomical to…

Networking and Internet Architecture · Computer Science 2021-12-10 Edward J. Oughton , Erik Boch , Julius Kusuma

Several studies have explored deep learning algorithms to predict large-scale signal fading, or path loss, in urban communication networks. The goal is to replace costly measurement campaigns, inaccurate statistical models, or…

Signal Processing · Electrical Eng. & Systems 2025-06-24 Fabian Jaensch , Giuseppe Caire , Begüm Demir

Localization of networked nodes is an essential problem in emerging applications, including first-responder navigation, automated manufacturing lines, vehicular and drone navigation, asset navigation and tracking, Internet of Things and 5G…

Networking and Internet Architecture · Computer Science 2023-10-04 Nakul Garg , Irtaza Shahid , Ramanujan K Sheshadri , Karthikeyan Sundaresan , Nirupam Roy

An unknown-position sensor can be localized if there are three or more anchors making time-of-arrival (TOA) measurements of a signal from it. However, the location errors can be very large due to the fact that some of the measurements are…

Information Theory · Computer Science 2016-11-17 Hongyang Chen , Kenneth W. K. Lui , Zizhuo Wang , H. C. So , H. Vincent Poor

This paper proposes a new three dimensional (3D) networking architecture enabled by aerial intelligent reflecting surface (AIRS) to achieve panoramic signal reflection from the sky. Compared to the conventional terrestrial IRS, AIRS not…

Information Theory · Computer Science 2020-01-22 Haiquan Lu , Yong Zeng , Shi Jin , Rui Zhang