CrowdBERT: Crowdsourcing Indoor Positioning via Semi-Supervised BERT with Masking

Y Han, Z Li, Z Zhao, T Braun - IEEE Internet of Things Journal, 2024 - ieeexplore.ieee.org
As a mature indoor positioning solution, fingerprint-based positioning has been widely
applied. However, traditional fingerprint positioning schemes still face the problems of …

Multi-Level Magnetic Field Fingerprinting Positioning Error Elimination Method

Z Zheng, S Liu, Y Xue, X Wang, Z Wen… - IEEE Internet of …, 2024 - ieeexplore.ieee.org
As a commonly used indoor Internet of Things (IoT) positioning method, fingerprinting is
frequently carried out by fusing inertial and magnetic data. However, magnetic signals may …

[HTML][HTML] Indoor localization and trajectory correction with point cloud-derived backbone map

Z Zheng, X Sun, Z Wen, X Wang, W Fan, H Yan… - International Journal of …, 2024 - Elsevier
As a commonly used indoor internet-of-things (IoT) positioning method, fingerprinting is
frequently carried out through the fusion of inertial and WiFi or magnetic data. Nevertheless …

Crowdsourcing RTK: a new GNSS positioning framework for building spatial high-resolution atmospheric maps based on massive vehicle GNSS data

H Xu, X Chen, J Ou, Y Yuan - Satellite Navigation, 2024 - Springer
High-quality spatial atmospheric delay correction information is essential for achieving fast
integer ambiguity resolution (AR) in precise positioning. However, traditional real-time …

Adaptive Integrated Particle Filter for Lightweight Matching Localization Based on Magnetic Map and Inertial Sensors

G Liu, H Fan, Y Ji, L Huang, L Li - IEEE Internet of Things …, 2024 - ieeexplore.ieee.org
Magnetic map matching localization has various strategic applications such as drone
reconnaissance, submarine navigation, and cruise missile guidance, etc. However, the …

CrowdMagMap 2.0: Crowdsourced Magnetic Mapping for Multi-Level Underground Garage Navigation

J Kuang, Y Wang, L Ding, X Niu - 2024 - techrxiv.org
Location-based services (LBS) have significantly enhanced the convenience of mobile
services for the general public, becoming an essential component of our daily lives and …

Saying goodbyes to rotating your phone: Magnetometer calibration during SLAM

I Vallivaara, Y Dong, T Arslan - 2024 14th International …, 2024 - ieeexplore.ieee.org
While Wi-Fi positioning is still more common indoors, using magnetic field features has
become widely known and utilized as an alternative or supporting source of information …

Predicting the Effect of Magnetic Acquisition Using CrowdMag Android App on Fundamental Magnetic Concepts Mastery in Basic Physics

R Fatmalasari, L Naston - Jurnal Penelitian Pendidikan IPA, 2024 - jppipa.unram.ac.id
If the concept of the magnetic field is categorized as one of the physics concepts considered
difficult by some students, then classroom instruction itself is not sufficient to explain it. This …

CrowdMagMap3. 0: Building a magnetic grid map of a multi-story parking lot scene by fusing crowdsourced pedestrian and vehicle data

J Kuang, Y Wang, L Ding, X Niu - Authorea Preprints, 2024 - techrxiv.org
Indoor positioning technology is one of the important supporting technologies for location
services. Since WiFibased indoor positioning technology is unsuitable for scenarios where …