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Wireless Sensor Networks Using Sub-Pixel Optical Camera Communications: Advances in Experimental Channel Evaluation [PDF]

open access: yesSensors, 2021
Optical wireless communications in outdoor scenarios are challenged by uncontrollable atmospheric conditions that impair the channel quality. In this paper, different optical camera communications (OCC) equipment are experimentally studied in the ...
Vicente Matus   +4 more
doaj   +2 more sources

Robust OCC System Optimized for Low-Frame-Rate Receivers [PDF]

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   +2 more sources

DeepCCB-OCC: Deep Learning-Driven Complementary Color Barcode-Based Optical Camera Communications

open access: yesApplied Sciences, 2022
Display-to-camera (D2C) communications has emerged as a key method for next-generation videos that offer side information to camera-equipped devices during normal viewing. This paper presents Deep learning-driven Complementary Color Barcode-based Optical
Min Tae Kim, Byung Wook Kim
doaj   +2 more sources

Analysis and Experiment of Wireless Optical Communications in Applications Dedicated to Mobile Devices with Applicability in the Field of Road and Pedestrian Safety [PDF]

open access: yesSensors, 2022
Current developments and the need for high-performance devices that provide safe and reliable communications present a future perspective by using visible light as an alternative solution that can substantially improve road and pedestrian safety.
Eduard Zadobrischi
doaj   +2 more sources

Design and Experimental Characterization of a Discovery and Tracking System for Optical Camera Communications [PDF]

open access: yesSensors, 2021
Visible light communications (VLC) technology is emerging as a candidate to meet the demand for interconnected devices’ communications. However, the costs of incorporating specific hardware into end-user devices slow down its market entry. Optical camera
Antonio Mederos-Barrera   +4 more
doaj   +2 more sources

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

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   +2 more sources

Characterization and Performance of a Thermal Camera Communication System [PDF]

open access: yesSensors, 2020
This work presents a novel communications technology named Thermal Camera Communication (TCC), which is analogous to Optical Camera Communication (OCC).
Victor Guerra   +3 more
doaj   +2 more sources

Experimentally Derived Feasibility of Optical Camera Communications under Turbulence and Fog Conditions [PDF]

open access: yesSensors, 2020
Optical camera communications (OCC) research field has grown recently, aided by ubiquitous digital cameras; however, atmospheric conditions can restrict their feasibility in outdoor scenarios.
Vicente Matus   +4 more
doaj   +2 more sources

Optical Camera Communications in Healthcare: A Wearable LED Transmitter Evaluation during Indoor Physical Exercise [PDF]

open access: yesSensors
This paper presents an experimental evaluation of a wearable light-emitting diode (LED) transmitter in an optical camera communications (OCC) system. The evaluation is conducted under conditions of controlled user movement during indoor physical exercise,
Eleni Niarchou   +4 more
doaj   +2 more sources

High-Accuracy Deep Learning-Based Detection and Classification Model in Color-Shift Keying Optical Camera Communication Systems [PDF]

open access: yesSensors
The growing number of connected devices has strained traditional radio frequency wireless networks, driving interest in alternative technologies such as optical wireless communications (OWC). Among OWC solutions, optical camera communication (OCC) stands
Francisca V. Vera Vera   +7 more
doaj   +2 more sources

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