Results 71 to 80 of about 7,114,352 (114)

Optical-RoI-Signaling for Vehicular Communications

open access: yesIEEE Access, 2019
This paper introduces a new hybrid waveform for optical wireless communication (OWC)/optical camera communication (OCC) systems and discusses the technical considerations of these systems.
Minh Duc Thieu   +3 more
doaj   +1 more source

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

open access: yesSensors, 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   +5 more
doaj   +1 more source

A blockchain database system for a rail transit equipment system

open access: yesIET Blockchain, Volume 4, Issue 1, Page 83-100, March 2024.
A blockchain system platform is developed in this paper for subway applications. Design assistance, construction assistance, operation and maintenance assistance, energy saving assistance, manpower reduction assistance, fire protection linkage assistance at transfer stations, federal learning analysis, and AI analysis are also provided, along with a ...
Junfeng An   +6 more
wiley   +1 more source

Minimal information for studies of extracellular vesicles (MISEV2023): From basic to advanced approaches

open access: yesJournal of Extracellular Vesicles, Volume 13, Issue 2, February 2024.
Abstract Extracellular vesicles (EVs), through their complex cargo, can reflect the state of their cell of origin and change the functions and phenotypes of other cells. These features indicate strong biomarker and therapeutic potential and have generated broad interest, as evidenced by the steady year‐on‐year increase in the numbers of scientific ...
Joshua A. Welsh   +1125 more
wiley   +1 more source

A Novel Ranging Technique Based on Optical Camera Communications and Time Difference of Arrival

open access: yesApplied Sciences, 2019
In this work, a new Time Difference of Arrival (TDoA) scheme for distance measurement based on Optical Camera Communication (OCC) systems is proposed.
Jose Rabadan   +4 more
doaj   +1 more source

Towards Optical Camera Communications Using a Shape-tailored Illuminating Optical Fiber

open access: yes, 2022
We have recently presented a novel concept of optical camera communications (OCC) based on illuminating optical fibers (IOF) as transmitter (Tx). In this paper, we further investigate this concept of IOF-based OCC system by replacing a straight IOF by an
Ghassemlooy, Zabih   +5 more
core   +1 more source

Smartphone Camera-Based Optical Wireless Communication System: Requirements and Implementation Challenges

open access: yes, 2019
Visible light and infrared bands of the optical spectrum used for optical camera communication (OCC) are becoming a promising technology nowadays. Researchers are proposing new OCC-based architectures and applications in both indoor and outdoor systems ...
Moh. Khalid Hasan   +3 more
core   +1 more source

YOLO-OBB and Two-Stage Geometric Correction for RGB-LED Array Optical Camera Communication

open access: yes
In Optical Camera Communication (OCC), precise localization of LED arrays under complex tilt conditions is a core challenge for reliable decoding. This paper proposes an OCC reception scheme for RGB-LED arrays that integrates YOLO-OBB rotated object ...
Jiaqi Ju   +3 more
core   +1 more source

ROI Assisted Digital Signal Processing for Rolling Shutter Optical Camera Communications

open access: yes, 2018
In this paper we propose a novel region of interest (ROI) detection based digital signal processing scheme for optical camera communications (OCC): it provides significant improvement in recovering the source shape induced signal deformations in a ...
Sturniolo, Alessandro   +13 more
core   +1 more source

2D-OFDM for Optical Camera Communication: Principle and Implementation

open access: yesIEEE Access, 2019
The orthogonal frequency division multiplexing (OFDM) waveform is a well-known implementation for light fidelity but quite a novel implementation for optical camera communication (OCC).
Trang Nguyen   +2 more
doaj   +1 more source

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