[HTML][HTML] Privacy preserving image sensor based visible light positioning receiver utilizing an ultra-flat singlet lens with high field-of-view and high aperture

F Lichtenegger, A Kröpfl, C Leiner, C Sommer… - Optics …, 2024 - Elsevier
Abstract Visible Light Positioning (VLP) is a promising candidate to enable widespread
availability of location-based services in indoor environments. Existing VLP receiver designs …

[Retracted] Security Risk and Preventive Measures of Multimedia Database System under Remote Control of Network Robot

W Deng, P Yan - Journal of Robotics, 2023 - Wiley Online Library
The rapid development of network technology makes the world enter a new era, but it also
brings a variety of severe information security problems, which makes the network security …

[PDF][PDF] Indoor high-precision visible light positioning system using Jaya algorithm

C Cai, M Fu, X Meng, C Jia, M Pei - Mathematical Biosciences and …, 2023 - aimspress.com
Several indoor positioning systems that utilize visible light communication (VLC) have
recently been developed. Due to the simple implementation and high precision, most of …

[PDF][PDF] Quantum dot phosphors CaS: Ce3+ and CaS: Pb2+, Mn2+ for improvements of white light-emitting diodes optic characteristics

DAN Thi, MHN Thi, PD Huu - International Journal of Electrical and …, 2022 - academia.edu
The goal of this study is to discover a new method that uses standard phosphors and
quantum dots to improve the lighting qualities and heat manipulation of white light-emitting …

Phosphor conversion for WLEDs: YBO: Ce, Tb and its effects on the luminous intensity and chromatic properties of dual-layer WLED model

N Le Thai, TM Bui, HY Lee, NDQ Anh - Materials Science-Poland, 2022 - sciendo.com
Yttrium borate phosphor co-doping Ce3+, Tb3+ ions (YBO3: Ce3+, Tb3+) is fabricated using
solid state reaction, and then its luminescence is investigated through the computational …

[PDF][PDF] 基于Elman 神经网络的室内定位算法

陈俊波, 赵黎, 刘海涛, 孟祥艳 - Optical Communication …, 2023 - researching.cn
摘要院针对传统室内定位算法精度较低的问题, 提出一种基于Elman 神经网络的室内定位算法.
使用Elman 神经网络进行指纹库插值扩充, 完备指纹库, 两者结合减少定位误差 …

[PDF][PDF] TiO2 nanoparticles impacts over color deviation in white light-emitting diodes

TB Ly, NDQ Anh, PX Le - Indonesian Journal of Electrical …, 2022 - academia.edu
The effects of injecting TiO2 nanoparticles with phosphorus silicone packing on white color
light-emitting diodes (WLEDs) are examined. In WLED packages, the proposed approach …

Optical Efficiency Improvement of Chip-on-Board Design LEDs with TiO2/Silicone Packaging Coating

KN Hung, PX Le, HY Lee - Journal of Physics: Conference Series, 2022 - iopscience.iop.org
Since TiO 2 nanoparticles and silicon composites include a strong scatter influence, they are
well-known for improving scattered lighting in LED packets. To improve the optic quality of …

Simulation of fingerprinting based Visible Light Positioning without the need of prior map generation

F Lichtenegger, C Leiner, C Sommer… - Illumination …, 2021 - spiedigitallibrary.org
Fingerprinting-based Visible Light Positioning is a promising candidate to perform large-
scale indoor positioning tasks. In fingerprinting, signal characteristics are grouped in a …

Decreasing CCT deviation of white light emitting diodes by employing SiO2 nanoparticles

MHN Thi, PT That - Bulletin of Electrical Engineering and Informatics, 2021 - beei.org
In this research, the SiO2 nano-particles (NPs) usage in enhancing optical performances of
InGaN/GaN-based white light-emitting diodes (WLEDs) with remote phosphor structure. The …