Results 31 to 40 of about 15,319 (228)

Characterization and Performance of a Thermal Camera Communication System

Sensors, 2020
This work presents a novel communications technology named Thermal Camera Communication (TCC), which is analogous to Optical Camera Communication (OCC).
Victor Guerra, Jaime R. Ticay-Rivas, Victor Alonso-Eugenio, Rafael Perez-Jimenez   +3 more
doaj   +1 more source

OCC-ID: New Broadcasting Service-Based Cloud Model and Image Sensor Communications

International Journal of Distributed Sensor Networks, 2016
In recent decades, the main data traffic of mobile communication is based on the RF technology. Even though the efficiency from optimization for utilization or reuse is applied, there is a limitation of increased traffic demand of RF communication ...
Thithanhnhan Le, Nam-Tuan Le, Yeong Min Jang   +2 more
doaj   +1 more source

Data Rate Enhancement in Optical Camera Communications Using an Artificial Neural Network Equaliser

IEEE Access, 2020
In optical camera communication (OCC) systems leverage on the use of commercial off-the-shelf image sensors to perceive the spatial and temporal variation of light intensity to enable data transmission.
Othman Isam Younus, Navid Bani Hassan, Zabih Ghassemlooy, Paul Anthony Haigh, Stanislav Zvanovec, Luis Nero Alves, Hoa Le Minh   +6 more
doaj   +1 more source

Experimental Demonstration of Continuous Sensor Data Monitoring Using Neural Network-Based Optical Camera Communications

IEEE Photonics Journal, 2020
This technical paper presents an optical camera communication system by using data as input collected from a sensor that continuously garners humidity and temperature information from the environment.
Md. Faisal Ahmed, Moh. Khalid Hasan, Md. Shahjalal, Md. Morshed Alam, Yeong Min Jang   +4 more
doaj   +1 more source

Robust OCC System Optimized for Low-Frame-Rate Receivers

Sensors, 2022
Light emitting diodes (LED) are becoming the dominant lighting elements due to their efficiency. Optical camera communications (OCC), the branch of visible light communications (VLC) that uses video cameras as receivers, is a suitable candidate in ...
Robert-Alexandru Dobre, Radu-Ovidiu Preda, Radu-Alexandru Badea   +2 more
doaj   +1 more source

Empowering and conquering infirmity of visually impaired using AI‐technology equipped with object detection and real‐time voice feedback system in healthcare application

CAAI Transactions on Intelligence Technology, EarlyView., 2023
Abstract The Internet of Things is emerging as a crucial technology in aiding humans and making their lives easier. Among the human population, a large percentage of people suffer from disabilities resulting in challenges in everyday life particularly people with visual disabilities.
Hania Tarik, Shahzad Hassan, Rizwan Ali Naqvi, Saddaf Rubab, Usman Tariq, Monia Hamdi, Hela Elmannai, Ye Jin Kim, Jae‐Hyuk Cha   +8 more
wiley   +1 more source

Motion-Aware Optical Camera Communication With Event Cameras

IEEE Robotics and Automation Letters
As the ubiquity of smart mobile devices continues to rise, Optical Camera Communication systems have gained more attention as a solution for efficient and private data streaming. This system utilizes optical cameras to receive data from digital screens via visible light. Despite their promise, most of them are hindered by dynamic factors such as screen
Hang Su, Ling Gao 0001, Tao Liu, Laurent Kneip   +3 more
openaire   +2 more sources

Correlation-based receiver for optical camera communications

Optics Express, 2019
In color-multiplexed optical camera communications (OCC) systems, data acquisition is restricted by the image processing algorithm capability for fast source recognition, region-of-interest (ROI) detection and tracking, packet synchronization within ROI, estimation of inter-channel interference and threshold computation.
Cristo Jurado-Verdu, Vicente Matus, Jose Rabadan, Victor Guerra, Rafael Perez-Jimenez   +4 more
openaire   +3 more sources

VLC/OCC Hybrid Optical Wireless Systems for Versatile Indoor Applications

IEEE Access, 2019
In this paper, a hybrid scheme for optical wireless communications using LED lamps is proposed. This scheme allows both visible light communication (VLC) using photodetectors and optical camera communication (OCC) using image sensors of a camera to ...
Duy Thong Nguyen, Sangcheol Park, Yoonsung Chae, Youngil Park   +3 more
doaj   +1 more source

Ti3C2Tx MXene/Silver Composite Foams For Lightweight, High‐Performance Electromagnetic Interference Shielding and Joule Heating

Advanced Materials Interfaces, EarlyView.
Ultrathin MXene/EMF composite foams achieve a specific shielding efficiency of 749.6 dB.dB·cm3$\mathrm{dB}\cdot {\mathrm{cm}}^{3}$/g, while the silver‐enhanced MXene/Ag/EMF reaches 81.4 dB shielding effectiveness at just 1.0 mm thickness. Both composites exhibit rapid Joule heating, retain stability up to 250∘C$^\circ{\rm C}$, and withstand 1000 ...
Abdullah A. Mahmood, Mingxuan Li, Vahid Rad, Mehdi Zarei, Chen‐Yu Yeh, Masoud Soroush, Guangyong Li, Paul W. Leu   +7 more
wiley   +1 more source