Results 1 to 10 of about 399,468 (278)

Research on the Collinear Equation Model of Visual Positioning Based on Visible Light Communication

open access: yesMATEC Web of Conferences, 2015
A positioning method based on visible light communication is proposed, which receiving visible light information by low-resolution photodiode array and receiving visual information by the front camera of mobile phone.
Wang Yuqi, Gong Yingkui, Shi Zhengfa
doaj   +1 more source

The Approach of Complex Insert Packaging Fabrication in Stereolithography [PDF]

open access: yes, 2004
The approach of complex insert packaging fabrication in stereolithography is studied in the paper. There are many difficulties being overcome, such as the dispensing shadowing problem caused by the geometric shape of insert, the polymer feeding problem
Chang, J. H., Chiu, Y. Y.
core   +1 more source

Multilateration Approach for Wide Range Visible Light Indoor Positioning System Using Mobile CMOS Image Sensor

open access: yesApplied Sciences, 2021
Visible light positioning (VLP) is a cost-effective solution to the increasing demand for real-time indoor positioning. However, owing to high computational costs and complicated image processing procedures, most of the existing VLP systems fail to ...
Md Habibur Rahman   +2 more
doaj   +1 more source

Monte-Carlo simulation of the impact of LED power uncertainty on visible light positioning accuracy [PDF]

open access: yes, 2018
This paper presents a simulation study of the impact of Light Emitting Diode (LED) output power uncertainty on the accuracy of Received Signal Strength (RSS)-based Visible Light Positioning (VLP).
Bastiaens, Sander   +4 more
core   +1 more source

Inertial Sensor-Assisted High-Coverage Visible Light Positioning Algorithm

open access: yesIEEE Photonics Journal
Existing visible light positioning (VLP) algorithms typically require multiple LEDs to achieve high-precision positioning. However, in practice, the number of available LEDs is influenced by various factors such as the layout of LEDs and the field-of ...
Fugui He   +6 more
doaj   +1 more source

Hybrid 3D Localization for Visible Light Communication Systems

open access: yes, 2015
In this study, we investigate hybrid utilization of angle-of-arrival (AOA) and received signal strength (RSS) information in visible light communication (VLC) systems for 3D localization.
Eroglu, Yusuf Said   +4 more
core   +1 more source

Response adaptive modelling for reducing the storage and computation of RSS-based VLP [PDF]

open access: yes, 2018
The precise (location) tracking of automated guided vehicles will be key in enlarging the productivity, efficiency and safety in the connected warehouse or production infrastructure. Combining the modest price tag, the adequate coverage and the potential
Bastiaens, Sander   +3 more
core   +2 more sources

LEDPOS: Indoor Visible Light Positioning Based on LED as Sensor and Machine Learning

open access: yesIEEE Access
Accurate indoor positioning is becoming increasingly important, especially in highly automated industrial environments with robots. In addition, LED-based lighting is also being used more and more frequently in such application fields.
Christian Fragner   +3 more
doaj   +1 more source

Visible Light Positioning Using A Single LED Luminaire

open access: yesIEEE Photonics Journal, 2019
Visible light positioning (VLP) has developed rapidly with the ubiquitous lighting infrastructure in recent years. Based on classic trilateration or triangulation, VLP usually requires at least three light sources which makes it infeasible in some ...
Jie Hao, Jing Chen, Ran Wang
doaj   +1 more source

SPIRAL Phase A: A Prototype Integral Field Spectrograph for the AAT [PDF]

open access: yes, 2000
We present details of a prototype fiber feed for use on the Anglo-Australian Telescope (AAT) that uses a dedicated fiber-fed medium/high resolution (R > 10000) visible-band spectrograph to give integral field spectroscopy (IFS) of an extended object.
Clayton C. A.   +4 more
core   +2 more sources

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