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It has been shown that learning radiance fields with depth rendering and depth supervision can effectively promote the quality and convergence of view synthesis. However, this paradigm requires input RGB-D sequences to be synchronized,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-05 Yuxin Huang , Andong Yang , Zirui Wu , Yuantao Chen , Runyi Yang , Zhenxin Zhu , Chao Hou , Hao Zhao , Guyue Zhou

This paper proposes a novel location information aided multiple intelligent reflecting surface (IRS) systems. Assuming imperfect user location information, the effective angles from the IRS to the users are estimated, which is then used to…

Information Theory · Computer Science 2020-08-24 Xiaoling Hu , Caijun Zhong , Yu Zhang , Xiaoming Chen , Zhaoyang Zhang

Beam alignment is a critical bottleneck in millimeter wave (mmWave) communication. An ideal beam alignment technique should achieve high beamforming (BF) gain with low latency, scale well to systems with higher carrier frequencies, larger…

Information Theory · Computer Science 2023-07-11 Yuqiang Heng , Jeffrey G. Andrews

We consider the problem of joint three-dimensional (3D) localization and material classification of unresolved space debris using a multispectral rotating point spread function (RPSF). The use of RPSF allows one to estimate the 3D locations…

Image and Video Processing · Electrical Eng. & Systems 2020-01-08 Chao Wang , Grey Ballard , Robert Plemmons , Sudhakar Prasad

Mobile base stations on board unmanned aerial vehicles (UAVs) promise to deliver connectivity to those areas where the terrestrial infrastructure is overloaded, damaged, or absent. A fundamental problem in this context involves determining…

Optimization and Control · Mathematics 2021-09-23 Daniel Romero , Pham Q. Viet , Geert Leus

To improve the localization precision of unmanned aerial vehicle (UAV), a novel framework is established by jointly utilizing multiple measurements of received signal strength (RSS) from multiple base stations (BSs) and multiple points on…

Signal Processing · Electrical Eng. & Systems 2020-11-04 Yifan Li , Feng Shu , Baihua Shi , Xin Cheng , Yaoliang Song , Jiangzhou Wang

Inference for probabilistic graphical models is still very much a practical challenge in large domains. The commonly used and effective belief propagation (BP) algorithm and its generalizations often do not converge when applied to hard,…

Artificial Intelligence · Computer Science 2012-07-02 Gal Elidan , Ian McGraw , Daphne Koller

When performing manipulation-based activities such as picking objects, a mobile robot needs to position its base at a location that supports successful execution. To address this problem, prominent approaches typically rely on costly grasp…

Robotics · Computer Science 2024-05-28 Manish Saini , Melvin Paul Jacob , Minh Nguyen , Nico Hochgeschwender

This paper investigates the issue of how to exploit prior target location distribution for multiple input multiple output (MIMO) radar transmit beampattern design. We consider a MIMO radar aiming to estimate the random angular location…

Signal Processing · Electrical Eng. & Systems 2026-01-28 Lingyun Xu , Bowen Wang , Huiyong Li , Ziyang Cheng

This paper focuses on the optimal design of a modulated retroreflector (MRR) laser link to establish a high-speed downlink for cube satellites (CubeSats), taking into account the weight and power limitations commonly encountered by these…

Signal Processing · Electrical Eng. & Systems 2024-01-19 Mohammad Taghi Dabiri , Mazen Hasna , Saud Althunibat , Khalid Qaraqe

Dynamic Point Blanking (DPB) is one of the Coordinated MultiPoint (CoMP) techniques, where some Base Stations (BSs) can be temporarily muted, e.g., to improve the cell-edge users throughput. In this paper, it is proposed to obtain the…

Networking and Internet Architecture · Computer Science 2022-10-27 Marcin Hoffmann , Paweł Kryszkiewicz

Direction of arrival (DOA) estimation technology offers a promising solution to address the sensing and positioning demands of Internet of Things (IoT) devices. Optical resonant beam systems (RBS), owing to their inherent characteristics of…

Location awareness in wireless networks may enable many applications such as emergency services, autonomous driving and geographic routing. Although there are many available positioning techniques, none of them is adapted to work with…

Information Theory · Computer Science 2015-09-02 Vladimir Savic , Erik G. Larsson

This paper addresses an uplink localization problem in which a base station (BS) aims to locate a remote user with the help of reconfigurable intelligent surfaces (RISs). We propose a strategy in which the user transmits pilots sequentially…

Information Theory · Computer Science 2023-12-19 Zhongze Zhang , Tao Jiang , Wei Yu

Constructing 3D representations of object geometry is critical for many robotics tasks, particularly manipulation problems. These representations must be built from potentially noisy partial observations. In this work, we focus on the…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Herbert Wright , Weiming Zhi , Martin Matak , Matthew Johnson-Roberson , Tucker Hermans

In this paper, we introduce a new stochastic process of $N$ interacting particles on the line that evolve via Dyson Brownian motion (DBM) with Dyson's index $\beta > 0$ and undergo simultaneous resetting to their initial positions at a…

Statistical Mechanics · Physics 2025-07-03 Marco Biroli , Satya N. Majumdar , Gregory Schehr

Deep learning-based pose estimation algorithms can successfully estimate the pose of objects in an image, especially in the field of color images. 6D Object pose estimation based on deep learning models for X-ray images often use custom…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Christiaan G. A. Viviers , Joel de Bruijn , Lena Filatova , Peter H. N. de With , Fons van der Sommen

The application of radio-based positioning systems is ever increasing. In light of the dissemination of the Internet of Things and location-aware communication systems, the demands on localization architectures and amount of possible use…

Signal Processing · Electrical Eng. & Systems 2022-07-19 Andrea Jung , Paul Schwarzbach , Oliver Michler

Reconfigurable intelligent surface (RIS)-aided localization in the radiating near-field requires range-aware spherical-wave models, which inherently couple angles and ranges and thus complicate accurate 3D positioning. Using the Fresnel…

Information Theory · Computer Science 2025-09-24 Feng Xi , Dehui Yang

We investigate a reconfigurable intelligent surface (RIS)-aided near-field localization system with single-antenna user equipment (UE) and base station (BS) under hardware impairments by considering a practical phase-dependent RIS amplitude…

Signal Processing · Electrical Eng. & Systems 2022-05-26 Cuneyd Ozturk , Musa Furkan Keskin , Henk Wymeersch , Sinan Gezici
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