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The problem of active mapping aims to plan an informative sequence of sensing views given a limited budget such as distance traveled. This paper consider active occupancy grid mapping using a range sensor, such as LiDAR or depth camera.…

Robotics · Computer Science 2022-04-19 Arash Asgharivaskasi , Shumon Koga , Nikolay Atanasov

Novel vehicular communication methods are mostly analyzed simulatively or analytically as real world performance tests are highly time-consuming and cost-intense. Moreover, the high number of uncontrollable effects makes it practically…

Networking and Internet Architecture · Computer Science 2019-11-22 Benjamin Sliwa , Christian Wietfeld

Realizing the potential gains of large-scale MIMO systems requires the accurate estimation of their channels or the fine adjustment of their narrow beams. This, however, is typically associated with high channel acquisition/beam sweeping…

Signal Processing · Electrical Eng. & Systems 2023-01-19 Shuaifeng Jiang , Ahmed Alkhateeb

Autonomous system navigation is a well-researched and evolving field. Recent advancements in improving robot navigation have sparked increased interest among researchers and practitioners, especially in the use of sensing data. However,…

Networking and Internet Architecture · Computer Science 2024-11-20 Sunday Amatare , Gaurav Singh , Raul Shakya , Aavash Kharel , Ahmed Alkhateeb , Debashri Roy

Simulating high-resolution Synthetic Aperture Radar (SAR) images in complex scenes has consistently presented a significant research challenge. The development of a microwave-domain surface scattering model and its reversibility are poised…

Computer Vision and Pattern Recognition · Computer Science 2024-01-03 Jiangtao Wei , Yixiang Luomei , Xu Zhang , Feng Xu

Tracking multiple targets in dynamic environments using distributed sensor networks is a challenging problem for situational awareness in connected autonomous vehicles (CAVs). In such scenarios, the network of mobile sensors must coordinate…

Systems and Control · Electrical Eng. & Systems 2025-03-05 Aidan Blair , Amirali Khodadadian Gostar , Alireza Bab-Hadiashar , Xiaodong Li , Reza Hoseinnezhad

Ray tracing (RT) simulation is a widely used approach to enable modeling wireless channels in applications such as network digital twins. However, the computational cost to execute ray tracing (RT) is proportional to factors such as the…

Networking and Internet Architecture · Computer Science 2025-07-24 Cláudio Modesto , Lucas Mozart , Pedro Batista , André Cavalcante , Aldebaro Klautau

Machine learning for wireless systems is commonly studied using standardized stochastic channel models (e.g., TDL/CDL/UMa) because of their legacy in wireless communication standardization and their ability to generate data at scale.…

Signal Processing · Electrical Eng. & Systems 2025-12-16 João Morais , Akshay Malhotra , Shahab Hamidi-Rad , Ahmed Alkhateeb

The objective of channel charting is to learn a virtual map of the radio environment from high-dimensional CSI that is acquired by a multi-antenna wireless system. Since, in static environments, CSI is a function of the transmitter…

Signal Processing · Electrical Eng. & Systems 2022-06-22 Florian Euchner , Phillip Stephan , Marc Gauger , Sebastian Dörner , Stephan ten Brink

Recent advancements in video diffusion models based on Diffusion Transformers (DiTs) have achieved remarkable success in generating temporally coherent videos. Yet, a fundamental question persists: how do these models internally establish…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Jisu Nam , Soowon Son , Dahyun Chung , Jiyoung Kim , Siyoon Jin , Junhwa Hur , Seungryong Kim

In this paper, we propose a novel scheme for sixdimensional (6D) radar sensing and tracking of dynamic target based on multiple input and multiple output (MIMO) array for monostatic integrated sensing and communications (ISAC) system.…

Signal Processing · Electrical Eng. & Systems 2023-12-29 Hongliang Luo , Feifei Gao , Fan Liu , Shi Jin

Multi-object tracking (MOT) is a challenging vision task that aims to detect individual objects within a single frame and associate them across multiple frames. Recent MOT approaches can be categorized into two-stage tracking-by-detection…

Computer Vision and Pattern Recognition · Computer Science 2024-02-22 Run Luo , Zikai Song , Lintao Ma , Jinlin Wei , Wei Yang , Min Yang

Reliable detection and tracking in active sonar require accurate and efficient learning of the acoustic multipath background environment. Conventionally, background learning is performed after transforming measurements into the…

Signal Processing · Electrical Eng. & Systems 2026-02-18 Ashwani Koul , Gustaf Hendeby , Isaac Skog

A method of simulating a single-input single-output reconfigurable intelligent surface (RIS) assisted channel is presented using three channel black boxes to represent the direct signal path, the transmit path to the RIS and the reflected…

Signal Processing · Electrical Eng. & Systems 2025-10-02 Hasnul Hashim

Future 6G networks will host massive numbers of embodied intelligent agents, which require real-time channel awareness over continuous-space for autonomous decision-making. By pre-obtaining location-specific channel state information (CSI),…

Signal Processing · Electrical Eng. & Systems 2026-04-02 Tianrun Qi , Cheng-Xiang Wang , Chen Huang , Junling Li , John S Thompson

Tracking a crowd in 3D using multiple RGB cameras is a challenging task. Most previous multi-camera tracking algorithms are designed for offline setting and have high computational complexity. Robust real-time multi-camera 3D tracking is…

Computer Vision and Pattern Recognition · Computer Science 2020-03-27 Quanzeng You , Hao Jiang

The speed-precision trade-off is a critical problem for visual object tracking which usually requires low latency and deployment on constrained resources. Existing solutions for efficient tracking mainly focus on adopting light-weight…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Jiawen Zhu , Xin Chen , Haiwen Diao , Shuai Li , Jun-Yan He , Chenyang Li , Bin Luo , Dong Wang , Huchuan Lu

Multipath-based simultaneous localization and mapping (SLAM) is an emerging paradigm for accurate indoor localization with limited resources. The goal of multipath-based SLAM is to detect and localize radio reflective surfaces to support…

Signal Processing · Electrical Eng. & Systems 2023-08-30 Erik Leitinger , Alexander Venus , Bryan Teague , Florian Meyer

Sharing radar spectrum with communication systems is an emerging area of research. Deploying commercial wireless communication services in radar bands give wireless operators the much needed additional spectrum to meet the growing bandwidth…

Information Theory · Computer Science 2015-06-09 Awais Khawar , Ahmed Abdelhadi , T. Charles Clancy

Industrial environments are considered to be severe from the point of view of electromagnetic (EM) wave propagation. When dealing with a wide range of industrial environments and deployment setups, ray-tracing channel emulation can capture…

Signal Processing · Electrical Eng. & Systems 2023-06-05 Gurjot Singh Bhatia , Yoann Corre , M. Di Renzo
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