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Location awareness is a key factor for a wealth of wireless indoor applications. Its provision requires the careful fusion of diverse information sources. For agents that use radio signals for localization, this information may either come…

信息论 · 计算机科学 2018-12-11 Erik Leitinger , Paul Meissner , Christoph Rüdisser , Gregor Dumphart , Klaus Witrisal

Indoor localization systems that are accurate and robust with respect to propagation channel conditions are still a technical challenge today. In particular, for systems based on range measurements from radio signals, non-line-of-sight…

新兴技术 · 计算机科学 2013-05-01 Paul Meissner , Erik Leitinger , Markus Fröhle , Klaus Witrisal

Robust localization in a given map is a crucial component of most autonomous robots. In this paper, we address the problem of localizing in an indoor environment that changes and where prominent structures have no correspondence in the map…

机器人学 · 计算机科学 2024-10-28 Nicky Zimmerman , Louis Wiesmann , Tiziano Guadagnino , Thomas Läbe , Jens Behley , Cyrill Stachniss

Indoor motion planning focuses on solving the problem of navigating an agent through a cluttered environment. To date, quite a lot of work has been done in this field, but these methods often fail to find the optimal balance between…

机器人学 · 计算机科学 2022-09-20 Shivam Sood , Jaskaran Singh Sodhi , Parv Maheshwari , Karan Uppal , Debashish Chakravarty

This paper deals with multipath-based positioning and tracking in off-body channels. An analysis of the effects introduced by the human body and the implications on positioning and tracking is presented based on channel measurements…

信号处理 · 电气工程与系统科学 2021-10-20 Thomas Wilding , Erik Leitinger , Klaus Witrisal

Recent localization frameworks exploit spatial information of complex channel measurements (CMs) to estimate accurate positions even in multipath propagation scenarios. State-of-the art CM fingerprinting(FP)-based methods employ…

信号处理 · 电气工程与系统科学 2022-03-25 Sebastian Kram , Christopher Kraus , Tobias Feigl , Maximilian Stahlke , Jörg Robert , Christopher Mutschler

Cognitive maps play a crucial role in facilitating flexible behaviour by representing spatial and conceptual relationships within an environment. The ability to learn and infer the underlying structure of the environment is crucial for…

人工智能 · 计算机科学 2023-09-20 Daria de Tinguy , Toon Van de Maele , Tim Verbelen , Bart Dhoedt

Uniform and variable environments still remain a challenge for stable visual localization and mapping in mobile robot navigation. One of the possible approaches suitable for such environments is appearance-based teach-and-repeat navigation,…

机器人学 · 计算机科学 2025-03-18 Václav Truhlařík , Tomáš Pivoňka , Michal Kasarda , Libor Přeučil

To date, the majority of positioning systems have been designed to operate within environments that have long-term stable macro-structure with potential small-scale dynamics. These assumptions allow the existing positioning systems to…

计算机视觉与模式识别 · 计算机科学 2023-02-02 Savvas Papaioannou , Andrew Markham , Niki Trigoni

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…

信号处理 · 电气工程与系统科学 2024-08-16 Yinuo Du , Hanying Zhao , Yang Liu , Xinlei Yu , Yuan Shen

Globally localizing a mobile robot in a known map is often a foundation for enabling robots to navigate and operate autonomously. In indoor environments, traditional Monte Carlo localization based on occupancy grid maps is considered the…

机器人学 · 计算机科学 2025-04-01 Haofei Kuang , Yue Pan , Xingguang Zhong , Louis Wiesmann , Jens Behley , Cyrill Stachniss

We present a message passing algorithm for localization and tracking in multipath-prone environments that implicitly considers obstructed line-of-sight situations. The proposed adaptive probabilistic data association algorithm infers the…

信息论 · 计算机科学 2021-03-26 Alexander Venus , Erik Leitinger , Stefan Tertinek , Klaus Witrisal

Multi-person pose estimation is a fundamental yet challenging task in computer vision. Both rich context information and spatial information are required to precisely locate the keypoints for all persons in an image. In this paper, a novel…

计算机视觉与模式识别 · 计算机科学 2019-05-15 Dongdong Yu , Kai Su , Xin Geng , Changhu Wang

Place recognition, the ability to identify previously visited locations, is critical for both biological navigation and autonomous systems. This review synthesizes findings from robotic systems, animal studies, and human research to explore…

机器人学 · 计算机科学 2025-11-19 Michael Milford , Tobias Fischer

This letter investigates an uplink pilot-based wireless indoor localization problem in a multipath environment for a single-input single-output (SISO) narrowband communication system aided by reconfigurable intelligent surface (RIS). The…

信号处理 · 电气工程与系统科学 2024-07-10 Yinghan Li , Wei Yu

Unstructured environments are difficult for autonomous driving. This is because various unknown obstacles are lied in drivable space without lanes, and its width and curvature change widely. In such complex environments, searching for a…

机器人学 · 计算机科学 2022-02-22 Joonwoo Ahn , Minsoo Kim , Jaeheung Park

Localization is a key requirement for mobile robot autonomy and human-robot interaction. Vision-based localization is accurate and flexible, however, it incurs a high computational burden which limits its application on many…

机器人学 · 计算机科学 2016-12-30 Ronald Clark , Sen Wang , Hongkai Wen , Niki Trigoni , Andrew Markham

With the advancement of Internet of Things (IoT) technologies, high-precision indoor positioning has become essential for Location-Based Services (LBS) in complex indoor environments. Fingerprint-based localization is popular, but…

机器学习 · 计算机科学 2025-05-06 Zhiyi Zhou , Hexin Peng , Hongyu Long

Cognitive maps play a crucial role in facilitating flexible behaviour by representing spatial and conceptual relationships within an environment. The ability to learn and infer the underlying structure of the environment is crucial for…

人工智能 · 计算机科学 2023-06-26 Daria de Tinguy , Toon Van de Maele , Tim Verbelen , Bart Dhoedt

A cognitive radio system has the ability to observe and learn from the environment, adapt to the environmental conditions, and use the radio spectrum more efficiently. However, due to multipath fading, shadowing, or varying channel…

信息论 · 计算机科学 2017-01-20 Fatima Salahdine , Naima Kaabouch , Hassan Ghazi
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