Results 31 to 40 of about 173,553 (278)

Region-of-Interest Signaling Vehicular System Using Optical Camera Communications

open access: yesIEEE Photonics Journal, 2017
This technical paper introduces an optical camera communication system for vehicles. The purpose of the communication system incorporated into car (using existing light-emitting diode (LED) lights and ordinary cameras) is to add region-of-interest ...
Trang Nguyen   +2 more
doaj   +1 more source

Influence of Stereoscopic Camera System Alignment Error on the Accuracy of 3D Reconstruction [PDF]

open access: yes, 2015
The article deals with the influence of inaccurate rotation of cameras in camera system alignment on 3D reconstruction accuracy. The accuracy of the all three spatial coordinates is analyzed for two alignments (setups) of 3D cameras.
Bolecek, L., Ricny, V.
core   +4 more sources

Robust OCC System Optimized for Low-Frame-Rate Receivers

open access: yesSensors, 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   +2 more
doaj   +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

An Experimental Demonstration of MIMO C-OOK Scheme Based on Deep Learning for Optical Camera Communication System

open access: yesApplied Sciences, 2022
Currently, wireless communication systems that use radio frequency are commonly deployed, for example, mobile communication systems, satellite systems, and the Internet of Things (IoT) systems.
Van Linh Nguyen   +3 more
doaj   +1 more source

The TNG Near Infrared Camera Spectrometer [PDF]

open access: yes, 2001
NICS (acronym for Near Infrared Camera Spectrometer) is the near-infrared cooled camera-spectrometer that has been developed by the Arcetri Infrared Group at the Arcetri Astrophysical Observatory, in collaboration with the CAISMI-CNR for the TNG (the ...
A. Checcucci   +23 more
core   +2 more sources

A Comparative Survey of Optical Wireless Technologies: Architectures and Applications

open access: yes, 2018
New high-data-rate multimedia services and applications are evolving continuously and exponentially increasing the demand for wireless capacity of fifth-generation (5G) and beyond.
Chowdhury, Mostafa Zaman   +3 more
core   +1 more source

An Imaging Polarimeter(IMPOL) for multi-wavelength observations [PDF]

open access: yes, 1997
Taking advantage of the advances in array detector technology, an imaging polarimeter (IMPOL) has been constructed for measuring linear polarization in the wavelength band from 400-800 nm.
Gupta, Ranjan   +3 more
core   +2 more sources

Distorted Laser Spot Center Positioning Based on Captured Image Under Laser-Camera Misalignment in UOWC

open access: yesIEEE Photonics Journal, 2023
The laser spot center positioning is an essential step for camera-based terminal positioning and alignment in a long-distance laser-based underwater optical wireless communication (UOWC) system.
Weijie Liu   +4 more
doaj   +1 more source

Modelization and Characterization of a CMOS Camera as an Optical Real-Time Oscilloscope

open access: yesIEEE Photonics Journal, 2020
Complementary Metal-Oxide Semiconductor (CMOS) camera sensors are embedded in many consumer electronics products: thanks to the Rolling Shutter (RS) readout mode, they can detect a time-varying light intensity, which is the key to realize Optical Camera ...
Giulio Cossu   +2 more
doaj   +1 more source

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