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Trajectory planning in unstructured environments is a fundamental and challenging capability for mobile robots. Traditional modular pipelines suffer from latency and cascading errors across perception, localization, mapping, and planning…

Robotics · Computer Science 2025-12-24 Jiaqi Peng , Wenzhe Cai , Yuqiang Yang , Tai Wang , Yuan Shen , Jiangmiao Pang

Localization of radio frequency sources over multipath channels is a difficult problem arising in applications such as outdoor or indoor gelocation. Common approaches that combine ad-hoc methods for multipath mitigation with indirect…

Information Theory · Computer Science 2015-05-14 Nil Garcia , Alexander M. Haimovich , Martial Coulon , Jason A. Dabin

Channel knowledge map (CKM) is a promising technology to enable environment-aware wireless communications and sensing with greatly enhanced performance, by offering location-specific channel prior information for future wireless networks.…

Signal Processing · Electrical Eng. & Systems 2025-04-25 Shen Fu , Yong Zeng , Zijian Wu , Di Wu , Shi Jin , Cheng-Xiang Wang , Xiqi Gao

Accurate localization and perception are pivotal for enhancing the safety and reliability of vehicles. However, current localization methods suffer from reduced accuracy when the line-of-sight (LOS) path is obstructed, or a combination of…

Signal Processing · Electrical Eng. & Systems 2024-08-16 Yinuo Du , Hanying Zhao , Yang Liu , Xinlei Yu , Yuan Shen

Localization in already mapped environments is a critical component in many robotics and automotive applications, where previously acquired information can be exploited along with sensor fusion to provide robust and accurate localization…

Robotics · Computer Science 2024-09-10 Lorenzo Montano-Oliván , Julio A. Placed , Luis Montano , María T. Lázaro

Recent advances in vision-language models have made zero-shot navigation feasible, enabling robots to follow natural language instructions without requiring labeling. However, existing methods that explicitly store language vectors in grid…

Robotics · Computer Science 2026-02-13 Sibaek Lee , Hyeonwoo Yu , Giseop Kim , Sunwook Choi

Integrated Sensing and Communication (ISAC) technology plays a critical role in future intelligent transportation systems, by enabling vehicles to perceive and reconstruct the surrounding environment through reuse of wireless signals,…

Signal Processing · Electrical Eng. & Systems 2026-03-23 Junzhe Song , Ruisi He , Mi Yang , Zhengyu Zhang , Bingcheng Liu , Jiahui Han , Haoxiang Zhang , Bo Ai

Underwater sensor networks are anticipated to facilitate numerous commercial and military applications. Moreover, precise self-localization in practical underwater scenario is a crucial challenge in sensor networks because of the complexity…

Signal Processing · Electrical Eng. & Systems 2023-06-13 Maliha Tasnim , Rashed Hasan Ratul

Localization in a battlefield environment is increasingly challenging as GPS connectivity is often denied or unreliable, and physical deployment of anchor nodes across wireless networks for localization can be difficult in hostile…

Computer Vision and Pattern Recognition · Computer Science 2024-02-21 Ganesh Sapkota , Sanjay Madria

Data-target association is an important step in multi-target localization for the intelligent operation of un- manned systems in numerous applications such as search and rescue, traffic management and surveillance. The objective of this…

Systems and Control · Computer Science 2017-05-31 Samuel Silva , Rengan Suresh , Feng Tao , Johnathan Votion , Yongcan Cao

The paper presents a novel Wi-Fi fingerprinting system that uses Channel State Information (CSI) data for fine-grained pedestrian localization. The proposed system exploits the frequency diversity and spatial diversity of the features…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Muhammad Emad-ud-din

Channel charting is an emerging self-supervised method that maps channel-state information (CSI) to a low-dimensional latent space (the channel chart) that represents pseudo-positions of user equipments (UEs). While channel charts preserve…

Information Theory · Computer Science 2025-04-09 Sueda Taner , Victoria Palhares , Christoph Studer

Reliable localization is critical for robot navigation, yet most existing systems implicitly assume that all viewing directions at a location are equally informative. In practice, localization becomes unreliable when the robot observes…

Robotics · Computer Science 2025-08-29 Jiajie Li , Boyang Sun , Luca Di Giammarino , Hermann Blum , Marc Pollefeys

We present a novel multi-view training framework and CNN architecture for combining information from multiple overlapping satellite images and noisy training labels derived from OpenStreetMap (OSM) to semantically label buildings and roads…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Bharath Comandur , Avinash C. Kak

Road detection from the perspective of moving vehicles is a challenging issue in autonomous driving. Recently, many deep learning methods spring up for this task because they can extract high-level local features to find road regions from…

Computer Vision and Pattern Recognition · Computer Science 2019-05-07 Qi Wang , Junyu Gao , Yuan Yuan

This paper proposes a soft range limited K nearest neighbours (SRL-KNN) localization fingerprinting algorithm. The conventional KNN determines the neighbours of a user by calculating and ranking the fingerprint distance measured at the…

Signal Processing · Electrical Eng. & Systems 2022-11-09 Minh Tu Hoang , Yizhou Zhu , Brosnan Yuen , Tyler Reese , Xiaodai Dong , Tao Lu , Robert Westendorp , Michael Xie

Deterministic channel modeling maps a physical environment to its site-specific electromagnetic response. Ray tracing produces complete multi-dimensional channel information but remains prohibitively expensive for area-wide deployment. We…

Information Theory · Computer Science 2026-03-31 Xiucheng Wang , Junxi Huang , Conghao Zhou , Xuemin Shen , Nan Cheng

In recent years, prior maps have become a mainstream tool in autonomous navigation. However, commonly available prior maps are still tailored to control-and-decision tasks, and the use of these maps for localization remains largely…

Robotics · Computer Science 2024-07-30 Waqas Ali , Patric Jensfelt , Thien-Minh Nguyen

Visual navigation localizes a query place image against a reference database of place images, also known as a `visual map'. Localization accuracy requirements for specific areas of the visual map, `scene classes', vary according to the…

Computer Vision and Pattern Recognition · Computer Science 2021-02-26 William H. B. Smith , Michael Milford , Klaus D. McDonald-Maier , Shoaib Ehsan

This paper investigates the construction of channel knowledge map (CKM) from sparse channel measurements. Dif ferent from conventional two-/three-dimensional (2D/3D) CKM approaches assuming fixed base station configurations, we present a…

Signal Processing · Electrical Eng. & Systems 2025-10-31 Juncong Zhou , Chao Hu , Guanlin Wu , Zixiang Ren , Han Hu , Juyong Zhang , Rui Zhang , Jie Xu