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Related papers: HLOC: Hints-Based Geolocation Leveraging Multiple …

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Geolocation, the task of identifying an image's location, requires complex reasoning and is crucial for navigation, monitoring, and cultural preservation. However, current methods often produce coarse, imprecise, and non-interpretable…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Zirui Song , Jingpu Yang , Yuan Huang , Jonathan Tonglet , Zeyu Zhang , Tao Cheng , Meng Fang , Iryna Gurevych , Xiuying Chen

Location awareness is a critical issue in wireless sensor network applications. For more accurate location estimation, the two issues should be considered extensively: 1) how to sufficiently utilize the connection information between…

Networking and Internet Architecture · Computer Science 2024-03-08 Penghong Wang , Xingtao Wang , Wenrui Li , Xiaopeng Fan , Debin Zhao

More and more critical Wireless Sensor Networks (WSNs) applications are emerging. Those applications need reliability and respect of time constraints. The underlying mechanisms such as MAC and routing must handle such requirements. Our…

Networking and Internet Architecture · Computer Science 2011-12-02 Alexandre Mouradian , Isabelle Augé-Blum

This paper proposes the inertial localization problem, the task of estimating the absolute location from a sequence of inertial sensor measurements. This is an exciting and unexplored area of indoor localization research, where we present a…

Robotics · Computer Science 2022-03-31 Sachini Herath , David Caruso , Chen Liu , Yufan Chen , Yasutaka Furukawa

Motivation: Real-world data often contain measurements with both continuous and discrete values. Despite the availability of many libraries, data sets with mixed data types require intensive pre-processing steps, and it remains a challenge…

Machine Learning · Computer Science 2020-05-12 Erdogan Taskesen

Promising solutions exist today that can accurately track mobile entities indoor using visual inertial odometry in favorable visual conditions, or by leveraging fine-grained ranging (RF, ultrasonic, IR, etc.) to reference anchors. However,…

Networking and Internet Architecture · Computer Science 2022-03-22 Md. Shaifur Rahman , Ayon Chakraborty , Karthikeyan Sunderasan , Sampath Rangarajan

Monitoring deployments often require reliable long-range wireless links to intermittently upload sensor logs and short video snapshots. Wi-Fi HaLow (IEEE~802.11ah) is a promising candidate due to sub-1 GHz propagation and bandwidth-flexible…

Networking and Internet Architecture · Computer Science 2026-05-19 Jiajie Xu , Chaabane Mankai , Mohamed-Slim Alouini

High reliability guarantees for Ultra-Reliable Low-Latency Communications (URLLC) require accurate knowledge of channel statistics, used as an input for rate selection. Exploiting the spatial consistency of channel statistics arises as a…

Information Theory · Computer Science 2022-09-23 Tobias Kallehauge , Anders E. Kalør , Pablo Ramírez-Espinosa , Maxime Guillaud , Petar Popovski

Accurate estimation of user location is important for many online services. Previous neural network based methods largely ignore the hierarchical structure among locations. In this paper, we propose a hierarchical location prediction neural…

Social and Information Networks · Computer Science 2019-10-30 Binxuan Huang , Kathleen M. Carley

One strategy to obtain user location information in a wireless network operating at millimeter wave (mmWave) is based on the exploitation of the geometric relationships between the channel parameters and the user position. These…

Signal Processing · Electrical Eng. & Systems 2025-03-11 Yun Chen , Nuria González-Prelcic , Takayuki Shimizu , Hongsheng Lu

LiDAR Odometry and Mapping (LOAM) is a pivotal technique for embodied-AI applications such as autonomous driving and robot navigation. Most existing LOAM frameworks are either contingent on the supervision signal, or lack of the…

Robotics · Computer Science 2026-04-03 Zhiliu Yang , Jianyuan Zhang , Lianhui Zhao , Jinyu Dai , Zhu Yang

Place Recognition enables the estimation of a globally consistent map and trajectory by providing non-local constraints in Simultaneous Localisation and Mapping (SLAM). This paper presents Locus, a novel place recognition method using 3D…

Hub location problems are central to optimizing logistics, telecommunications, and transportation networks by consolidating flows through strategically placed hubs. While existing models assume symmetric allocation, where hubs handle…

Optimization and Control · Mathematics 2026-04-14 I. Espejo , M. Landete , M. Leal , A. Marín

Authenticating websites is an ongoing problem for users. Recent proposals have suggested strengthening current server authentication methods by incorporating website location as a comprehensible additional trust factor. In this work, we…

Cryptography and Security · Computer Science 2018-03-02 Der-Yeuan Yu , Elizabeth Stobert , David Basin , Srdjan Capkun

Localization has been a challenging task for autonomous navigation. A loop detection algorithm must overcome environmental changes for the place recognition and re-localization of robots. Therefore, deep learning has been extensively…

Robotics · Computer Science 2023-04-19 Alex Junho Lee , Seungwon Song , Hyungtae Lim , Woojoo Lee , Hyun Myung

The use of wireless signals for purposes of localization enables a host of applications relating to the determination and verification of the positions of network participants, ranging from radar to satellite navigation. Consequently, it…

Networking and Internet Architecture · Computer Science 2020-12-02 Matthias Schäfer , Martin Strohmeier , Mauro Leonardi , Vincent Lenders

As data volumes continue to grow, searches in data are becoming increasingly time-consuming. Classical index structures for neighbor search are no longer sustainable due to the "curse of dimensionality". Instead, approximated index…

Machine Learning · Computer Science 2021-11-17 Li Wang , Lilon Wangner

Place recognition is a challenging problem in mobile robotics, especially in unstructured environments or under viewpoint and illumination changes. Most LiDAR-based methods rely on geometrical features to overcome such challenges, as…

Robotics · Computer Science 2018-12-03 Jiadong Guo , Paulo V. K. Borges , Chanoh Park , Abel Gawel

Determining the exact latitude and longitude that a photo was taken is a useful and widely applicable task, yet it remains exceptionally difficult despite the accelerated progress of other computer vision tasks. Most previous approaches…

Computer Vision and Pattern Recognition · Computer Science 2023-03-09 Brandon Clark , Alec Kerrigan , Parth Parag Kulkarni , Vicente Vivanco Cepeda , Mubarak Shah

In this paper we introduce a new method to locate highly connected clusters in a network. Our proposed approach adapts the HyperBall algorithm to localize regions with a high density of small subgraph patterns in large graphs in a…

Social and Information Networks · Computer Science 2021-08-11 Lotte Weedage , Nelly Litvak , Clara Stegehuis