Results 191 to 200 of about 1,147 (236)
Robust Magnetic Fingerprint Positioning in Complex Indoor Environments Using Res-T-LSTM. [PDF]
Sensors (Basel)Guo K.
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Customer Context Analysis in Shopping Malls: A Method Combining Semantic Behavior and Indoor Positioning Using a Smartphone. [PDF]
Sensors (Basel)Tian Y, Gu Y, Lu Q, Kamijo S.
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Automatic Update of Indoor Location Fingerprints with Pedestrian Dead Reckoning
Transactions on Embedded Computing Systems, 2015In this article, we propose a new method for automatically updating a Wi-Fi indoor positioning model on a cloud server by employing uploaded sensor data obtained from the smartphone sensors of a specific user who spends a lot of time in a given environment (e.g., a worker in the environment).
Takuya Maekawa
exaly +2 more sources
GPS-assisted Indoor Pedestrian Dead Reckoning
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies, 2022Indoor pedestrian dead reckoning (PDR) using embedded inertial sensors in smartphones has been actively studied in the ubicomp community. However, PDR relying only on inertial sensors suffers from the accumulation of errors from the sensors. Researchers have employed various indoor landmarks detectable by smartphone sensors such as magnetic ...
Heng Zhou, Takuya Maekawa
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Speed estimation for pedestrian dead-reckoning
21st Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, 2010In this paper a new speed estimation method for pedestrian dead-reckoning is presented. The proposed approach is based on the estimated channel frequency response of Digital Video Broadcasting-Terrestrial (DVB-T) signals. Correlation coefficients are calculated from the acquired envelopes and the coherence time is estimated for a certain correlation ...
Bogdan Pricope, Harald Haas
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Robust Misalignment Handling in Pedestrian Dead Reckoning
2016 IEEE 84th Vehicular Technology Conference (VTC-Fall), 2016Modern mobile devices consists various sensors such as accelerometers and gyroscopes that can be used to aid and complement Global Navigation Satellite System position and velocity updates. Especially these sensors are now capable of providing good navigation solutions for pedestrians with competitive battery power consumption when compared to radio ...
Jayaprasad Bojja +6 more
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Pedestrian Dead Reckoning with Turn-Based Correction
2018 International Conference on Indoor Positioning and Indoor Navigation (IPIN), 2018Pedestrian dead reckoning (PDR) is a popular localization approach. However, PDR is error prone at turning points. During a turn, a small error in heading estimation can cause severe accumulated positioning errors thereafter. In this paper, we propose a turn-based correction approach which aims to reduce the potential accumulated errors caused by ...
Yonghao Zhao +3 more
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An Indoor Collaborative Pedestrian Dead Reckoning System
2013 42nd International Conference on Parallel Processing, 2013Indoor localization has become a popular topic in recent years. While self-contained pedestrian dead reckoning (PDR) systems can be conveniently implemented on a smartphone with built-in inertial sensors for indoor localization, the error of the estimated position for a PDR system can accumulate quickly and results in an unacceptable position accuracy.
Yi-Ting Li, Guaning Chen, Min-Te Sun
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Wearable indoor pedestrian dead reckoning system
Pervasive and Mobile Computing, 2010We introduce a wearable pedestrian indoor localization system with dynamic position correction. The system uniquely combines dead reckoning and fiducial marker-based localization schemes, exclusively using widely available, low end and low power consumer hardware components. The proposed system was tested with various walking patterns inside a building,
Jorge Torres-Solis, Tom Chau
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