Results 91 to 100 of about 1,226,064 (225)

Indoor High Precision Three-Dimensional Positioning System Based on Visible Light Communication Using Particle Swarm Optimization

open access: yesIEEE Photonics Journal, 2017
Recently, visible light communication (VLC) has gradually become a research hotspot in indoor environments because its advantages of illumination and relative high positioning accuracy.
Ye Cai   +5 more
doaj   +1 more source

5-DoF Monocular Visual Localization Over Grid Based Floor

open access: yes, 2017
Reliable localization is one of the most important parts of an MAV system. Localization in an indoor GPS-denied environment is a relatively difficult problem. Current vision based algorithms track optical features to calculate odometry.
Das, Manash Pratim   +2 more
core   +1 more source

Visible Light Positioning and Lighting Based on Identity Positioning and RF Carrier Allocation Technique Using a Solar Cell Receiver

open access: yesIEEE Photonics Journal, 2016
We propose and experimentally demonstrate an indoor positioning system which combines identity positioning and the radio frequency carrier allocation technique in order to reduce the signal interference from nearby light-emitting diodes (LEDs) and ...
Chin-Wei Hsu   +6 more
doaj   +1 more source

Hybrid Indoor Positioning System for First Responders

open access: yesIEEE Transactions on Systems, Man, and Cybernetics: Systems, 2020
In the last decade, many efforts have been devoted to indoor localization and positioning. In this paper, a hybrid indoor localization system has been developed within the European project REFIRE for emergency situations.
Francesca De Cillis   +6 more
semanticscholar   +1 more source

A Neural-Network-Based Indoor Positioning System by Using Sectored Antenna Array [PDF]

open access: yes, 2016
This paper presents the development of sectored antenna array and modified probabilistic neural network positioning algorithm for an indoor positioning system (IPS).
Chen, C. (Chih-Yung)   +3 more
core  

Three-Dimensional Modeling and Indoor Positioning for Urban Emergency Response

open access: yesISPRS International Journal of Geo-Information, 2017
Three-dimensional modeling of building environments and indoor positioning is essential for emergency response in cities. Traditional ground-based measurement methods, such as geodetic astronomy, total stations, and global positioning system (GPS ...
Xin Zhang   +4 more
doaj   +1 more source

Fingerprint-Based Indoor Positioning System Using Visible Light Communication—A Novel Method for Multipath Reflections

open access: yesElectronics, 2019
A highly accurate indoor positioning under the effect of multipath reflections has been a prominent challenge for recent research. This paper proposes a novel indoor visible light communication (VLC) positioning model by connecting k-nearest neighbors ...
H. Tran, C. Ha
semanticscholar   +1 more source

A VLC Smartphone Camera Based Indoor Positioning System

open access: yesIEEE Photonics Technology Letters, 2018
We present a real-time indoor visible light positioning system based on the optical camera communication, where the coordinate data in the ON–OFF keying format is transmitted via light-emitting diode-based lights and captured using a smartphone camera ...
Yiwei Li   +4 more
semanticscholar   +1 more source

RFID-based indoor positioning of autonomous aid for disable people [PDF]

open access: yes, 2013
Nowadays, global positioning system (GPS) is widely used in localization area because it’s very capable and reliable. However, in indoor positioning, GPS capabilities are very limited since the satellite signals are typically strongly attenuated by ...
Zakaria, Intan Suria
core  

Improving Foot-Mounted Inertial Navigation Through Real-Time Motion Classification

open access: yes, 2018
We present a method to improve the accuracy of a foot-mounted, zero-velocity-aided inertial navigation system (INS) by varying estimator parameters based on a real-time classification of motion type.
Kelly, Jonathan   +2 more
core   +1 more source

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