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Related papers: AirTags for Human Localization, Not Just Objects

200 papers

Despite advances in human activity recognition (HAR) with different modalities, a precise, robust, and accurate daily log system is not yet available. Current solutions primarily rely on controlled, lab-based data collection, which limits…

Human-Computer Interaction · Computer Science 2026-01-07 Lixing He , Bufang Yang , Di Duan , Zhenyu Yan , Guoliang Xing

The Bluetooth Special Interest Group (Bluetooth SIG) introduced a new feature for highly accurate localization called the Direction Finding in the Bluetooth Core Specification 5.1. Since this new localization feature is relatively new,…

Networking and Internet Architecture · Computer Science 2021-03-09 Pradeep Sambu , Myounggyu Won

Indoor positioning systems have received a lot of attention recently due to their importance for many location-based services, e.g. indoor navigation and smart buildings. Lightweight solutions based on WiFi and inertial sensing have gained…

Computer Vision and Pattern Recognition · Computer Science 2023-02-07 Savvas Papaioannou , Hongkai Wen , Andrew Markham , Niki Trigoni

We introduce LIDAUS Localization of IoT Device via Anchor UAV SLAM), an infrastructure-free, multi-stage SLAM system that utilizes an Unmanned Aerial Vehicle (UAV) to accurately localize IoT devices in a 3D indoor space where GPS signals…

Robotics · Computer Science 2021-08-06 Yue Sun , Deqiang Xu , Zhuoming Huang , Honggang Zhang , Xiaohui Liang

This study describes a UWB and Machine Learning (ML)-based indoor positioning system. We propose a simple mathematical strategy to create data to reduce the job of measurements for fingerprint-based indoor localization systems. A…

Signal Processing · Electrical Eng. & Systems 2022-04-11 Anqi Yin , Zihuai Lin

Ultra-wideband (UWB) is a state-of-the-art technology designed for applications requiring centimeter-level localization. Its widespread adoption by smartphone manufacturer naturally raises security and privacy concerns. Successfully…

Machine Learning · Computer Science 2025-01-09 Thibaud Ardoin , Niklas Pauli , Benedikt Groß , Mahsa Kholghi , Khan Reaz , Gerhard Wunder

This study presents an in-depth analysis of the security landscape in Bluetooth Low Energy (BLE) tracking systems, with a particular emphasis on Apple AirTags and Samsung SmartTags, including their cryptographic frameworks. Our…

Cryptography and Security · Computer Science 2024-01-25 Hosam Alamleh , Michael Gogarty , David Ruddell , Ali Abdullah S. AlQahtani

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

Indoor location identification and navigation need to be as simple, seamless, and ubiquitous as its outdoor GPS-based counterpart is. It would be of great convenience to the mobile user to be able to continue navigating seamlessly as he or…

Networking and Internet Architecture · Computer Science 2018-10-24 Fahed Awad , Aisha Al-Sadi , Fida'a Al-Quran , Abdulsalam Alsmady

For indoor settings, we investigate the impact of location on the spectral distribution of the received light, i.e., the intensity of light for different wavelengths. Our investigations confirm that even under the same light source,…

Human-Computer Interaction · Computer Science 2022-06-30 Yanxiang Wang , Jiawei Hu , Hong Jia , Wen Hu , Mahbub Hassan , Ashraf Uddin , Brano Kusy , Moustafa Youssef

Recent years have witnessed the rapid proliferation of low-power backscatter technologies that realize the ubiquitous and long-term connectivity to empower smart cities and smart homes. Localizing such low-power backscatter tags is crucial…

Robotics · Computer Science 2019-08-12 Shengkai Zhang , Wei Wang , Sheyang Tang , Shi Jin , Tao Jiang

Among many techniques for indoor localization, fingerprinting has been shown to provide a higher accuracy compared to the alternative techniques. Fingerprinting techniques require an initial calibration phase during which site surveyors…

Signal Processing · Electrical Eng. & Systems 2019-02-06 Hamada Rizk , Moustafa Youssef

Indoor localization systems have become increasingly important in a wide range of applications, including industry, security, logistics, and emergency services. However, the growing demand for accurate localization has heightened concerns…

Artificial Intelligence · Computer Science 2023-06-06 Mohamed Mohsen , Hamada Rizk , Moustafa Youssef

Localization and tracking are two very active areas of research for robotics, automation, and the Internet-of-Things. Accurate tracking for a large number of devices usually requires deployment of substantial infrastructure (infrared…

Signal Processing · Electrical Eng. & Systems 2019-05-10 Yanjun Cao , David St-Onge , Andreas Zell , Giovanni Beltrame

Accurate sensor calibration is a prerequisite for multi-sensor perception and localization systems for autonomous vehicles. The intrinsic parameter calibration of the sensor is to obtain the mapping relationship inside the sensor, and the…

Mapping and localization is a critical module of autonomous driving, and significant achievements have been reached in this field. Beyond Global Navigation Satellite System (GNSS), research in point cloud registration, visual feature…

Accurate and robust indoor localization is critical for smart building applications, yet existing Wi-Fi-based systems are often vulnerable to environmental conditions. This work presents a novel indoor localization system, called LiGen,…

Robotics · Computer Science 2025-10-31 Jie Lin , Hsun-Yu Lee , Ho-Ming Li , Fang-Jing Wu

Multi-user augmented reality (AR) could someday empower first responders with the ability to see team members around corners and through walls. For this vision of people tracking in dynamic environments to be practical, we need a relative…

Systems and Control · Electrical Eng. & Systems 2021-11-02 John Miller , Elahe Soltanaghai , Raewyn Duvall , Jeff Chen , Vikram Bhat , Nuno Pereira , Anthony Rowe

Personal indoor localization is usually accomplished by fusing information from various sensors. A common choice is to use the WiFi adapter that provides information about Access Points that can be found in the vicinity. Unfortunately,…

Robotics · Computer Science 2017-05-01 Jan Wietrzykowski , Michał Nowicki , Piotr Skrzypczyński

WiFi-based home monitoring has emerged as a compelling alternative to traditional camera- and sensor-based solutions, offering wide coverage with minimal intrusion by leveraging existing wireless infrastructure. This paper presents key…

Signal Processing · Electrical Eng. & Systems 2025-06-06 Guozhen Zhu , Yuqian Hu , Chenshu Wu , Wei-Hsiang Wang , Beibei Wang , K. J. Ray Liu