Results 41 to 50 of about 29,335 (280)
Reliable camera motion estimation from compressed MPEG videos using machine learning approach [PDF]
, 2013 As an important feature in characterizing video content, camera motion has been widely applied in various multimedia and computer vision applications. A novel method for fast and reliable estimation of camera motion from MPEG videos is proposed, using ...
Wang, Yubin +4 more
core +1 more source
Experimental DCO-OFDM Optical Camera Communication Systems With a Commercial Smartphone Camera
IEEE Photonics Journal, 2019 Modern handheld mobile devices are equipped with a complementary metal-oxide-semiconductor (CMOS) image sensor. These image sensors are capable of perceiving intensity changes in optically modulated signals, driving the rapid development of optical ...
Jenn-Kaie Lain +2 more
doaj +1 more source
A Nested Texture Inspired Novel Image Pattern Based Optical Camera Communication
IEEE Access, 2022 Pattern recognition is a vital component of display-based optical camera communication. However, as the distance between the transmitter LED panel and the receiver camera increases, the visibility of the pattern reduces.
Sanket Salvi, V. Geetha
doaj +1 more source
A New Automotive VLC System Using Optical Communication Image Sensor
IEEE Photonics Journal, 2016 As a new technology for next-generation vehicle-to-everything (V2X) communication, visible-light communication (VLC) using light-emitting diode (LED) transmitters and camera receivers has been energetically studied.
Yuki Goto +8 more
doaj +1 more source
, 2021 An electromagnetic immune Free Space Optical Communication (FSOC) system for an Unmanned Aerial Vehicle (UAV) command and control link is introduced in this paper.
Axin Du +5 more
core +1 more source
Region-of-Interest Signaling Vehicular System Using Optical Camera Communications
IEEE 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
2D-OFDM for Optical Camera Communication: Principle and Implementation
IEEE 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
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 +2 more
doaj +1 more source
Lane-cross Detection using Optical Camera-based Road-to-Vehicle Communications
, 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 +9 more
core +1 more source
Applied 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