Results 31 to 40 of about 452 (170)

Investigating the angular distortion impact on vehicular optical camera communication (OCC) systems

Optics Express
Optical camera communication (OCC) shows promise for optical wireless communication (OWC) in vehicular networks. However, vehicle mobility-induced angular distortions hinder system throughput by degrading non-isotropic vehicular OCC channel gain. Few of the prior works have ever made a comprehensive analysis of their impact, especially based on the ...
Anqi, Liu, Wenxiao, Shi, Majid, Safari, Wei, Liu   +3 more
openaire   +4 more sources

Robust License Plate Recognition in OCC-Based Vehicle Networks Using Image Reconstruction [PDF]

Sensors
With the help of traffic lights and street cameras, optical camera communication (OCC) can be adopted in Internet of Vehicles (IoV) applications to realize communication between vehicles and roadside units. However, the encoded light emitted by these OCC
Dingfa Zhang, Ziwei Liu, Weiye Zhu, Jie Zheng, Yimao Sun, Chen Chen, Yanbing Yang   +6 more
doaj   +2 more sources

Optical Camera Communications for IoT–Rolling-Shutter Based MIMO Scheme with Grouped LED Array Transmitter [PDF]

Sensors, 2020
In optical camera communications (OCC), the provision of both flicker-free illumination and high data rates are challenging issues, which can be addressed by utilizing the rolling-shutter (RS) property of the image sensors as the receiver (Rx).
Shivani Rajendra Teli, Vicente Matus, Stanislav Zvanovec, Rafael Perez-Jimenez, Stanislav Vitek, Zabih Ghassemlooy   +5 more
doaj   +2 more sources

Non-Line-of-Sight Optical Camera Communication in a Heterogeneous Reflective Background

IEEE Photonics Journal, 2019
In the last few years, optical camera communication (OCC) has benefited from built-in CMOS image sensors in smart devices. OCC is now considered a candidate for incorporation into IEEE 802.15.7r1. A major study on OCC was conducted for line-of-sight (LOS)
Jenn-Kaie Lain, Fu-Cheng Jhan, Zheng-Dao Yang   +2 more
doaj   +3 more sources

Experimental Demonstration of 32‐PAM Optical Camera Communication Using a Low Cost and a High Cost Camera

IET Optoelectronics
This work demonstrates experimentally the feasibility of using up to 32‐PAM in rolling shutter based optical camera communication (OCC). Two different cameras have been used for OCC performance comparison, namely, a low‐cost Pi Camera V2.1 and a higher ...
Miguel Rêgo, Alexis A. Dowhuszko, Pedro Fonseca, Luís Nero Alves   +3 more
doaj   +2 more sources

Sandstorm effect on experimental optical camera communication [PDF]

, 2021
International audienceSandstorms can severely affect outdoor Optical Wireless Communications (OWC) reliability by diminishing large regions' visibility.
Rabadan, Jose, Guerra, Victor, Zvanovec, Stanislav, Matus, Vicente, Rabadán, José A., Perez-Jimenez, Rafael   +5 more
core   +3 more sources

Lane-cross Detection using Optical Camera-based Road-to-Vehicle Communications [PDF]

, 2021
Optical camera communications (OCC) is a pragmatic version of visible light communication (VLC), based on a smart device camera that allows more straightforward implementation of various services in smart devices.
Elizabeth Eso, Ghassemlooy, Zabih, Eso, Elizabeth, Matus, Vicente, Pérez Jiménez, Rafael, Neelima Devulapalli, Zabih Ghassemlooy, Rafael Perez-Jimenez, Vicente Matus, Devulapalli, Neelima   +9 more
core   +1 more source

Optical camera communication (OCC) using a laser-diode coupled optical-diffusing fiber (ODF) and rolling shutter image sensor

Optics Express, 2022
We demonstrate an optical-camera-communication (OCC) system utilizing a laser-diode (LD) coupled optical-diffusing-fiber (ODF) transmitter (Tx) and rolling-shutter based image sensor receiver (Rx). The ODF is a glass optical fiber produced for decorative lighting or embedded into small areas where bulky optical sources cannot fit. Besides, decoding the
Deng-Cheng Tsai, Yun-Han Chang, Chi-Wai Chow, Yang Liu, Chien-Hung Yeh, Ching-Wei Peng, Li-Sheng Hsu   +6 more
openaire   +2 more sources

Application of Optical Camera Communication to Microalgae Production Plants [PDF]

, 2020
Optical Camera Communication (OCC) Systems have a potential application for monitoring flat-panel photobioreactors in microalgae production plants.
Juan Luis Gomez-Pinchetti, Cristo Jurado-Verdu, Guerra, Victor, Jose Rabadan, Rabadán, José A., Gomez-Pinchetti, Juan Luis, Rafael Perez-Jimenez, Carlos Almeida, Perez-Jimenez, Rafael, Jurado Verdú, Cristo Manuel, Matus, Vicente, Victor Guerra, Almeida, Carlos, Vicente Matus   +13 more
core   +1 more source

Quantum-Chromodynamics-Inspired 2D Multicolor LED Matrix to Camera Communication for User-Centric MIMO

Applied Sciences, 2022
With the high availability of low-cost and energy-efficient LEDs and cameras, there is increased interest in optical camera communication (OCC) to provide nonradio-frequency-based communication solutions in the domains of advertisement, vehicular ...
Geetha Vasantha, Sanket Salvi
doaj   +1 more source