A demodulation method using a gaussian mixture model for unsynchronous optical camera communication with on-off keying

Y Shiraki, TG Sato, Y Kamamoto, T Izumi… - Journal of Lightwave …, 2021 - opg.optica.org
We consider optical camera communication (OCC) between a camera receiver with optical
lenses and distributed transmitters. This article investigates the features of an OCC system …

Improved optical camera communication systems using a freeform lens

Z Liu, L Yang, Y Yang, R Wu, L Zhang, L Chen… - Optics …, 2021 - opg.optica.org
Optical camera communication (OCC) systems, which utilize image sensors embedded in
commercial-off-the-shelf devices to detect time and spatial variations in light intensity for …

Joint interframe separation and gamma correction for asynchronous optical camera communication systems based on high-order statistics

Z Wang, J Han, J Liang, L Zhang - Optics Express, 2024 - opg.optica.org
Optical camera communication (OCC), which is enabled by large-scale light-emitting diodes
(LEDs) arrays and image-sensor (IS) based cameras, has garnered significant attention from …

Real-Time Pitch Visualization with “Blinky" Sound-to-Light Conversion Device

K Ishii, Y Kinoshita, Y Wakabayashi… - Journal of Signal …, 2021 - jstage.jst.go.jp
In this paper, we propose a real-time pitch visualization system with a “Blinky” sound-to-light
conversion device. A Blinky transmits sound information as the intensity of an onboard light …

Blinkies: Open source sound-to-light conversion sensors for large-scale acoustic sensing and applications

R Scheibler, N Ono - IEEE Access, 2020 - ieeexplore.ieee.org
We propose an open source hardware platform called Blinky, a sound-to-light conversion
sensor that harvests sound power at low-rate and conveniently. Blinkies are made up of a …

Flexible synchronization in optical camera communication with On-Off keying

Y Shiraki, TG Sato, Y Kamamoto… - 2017 IEEE Globecom …, 2017 - ieeexplore.ieee.org
We consider optical camera communication (OCC) between a camera receiver with optical
lens and distributed transmitters. This paper investigates the features of an OCC system …

Blinkies: Sound-to-light conversion sensors and their application to speech enhancement and sound source localization

R Scheibler, D Horiike, N Ono - 2018 Asia-Pacific Signal and …, 2018 - ieeexplore.ieee.org
We introduce the use of blinkies for acoustic sensing and audio processing applications.
Blinkies are low-power sensors with a microphone and an LED that can be easily distributed …

Audience excitement reflected in respiratory phase synchronization

TG Sato, Y Shiraki, T Moriya - 2017 IEEE International …, 2017 - ieeexplore.ieee.org
This paper investigates respiration activity data obtained simultaneously from more than ten
persons while they were attending a live concert. Physiological activity in a group setting is …

Energy-based multiple source localization with Blinkies

D Horiike, R Scheibler, Y Kinoshita… - 2020 Asia-Pacific …, 2020 - ieeexplore.ieee.org
We propose energy-based multiple source localization using sound power sensors called
Blinkies that we have recently developed. A Blinky consists of a microphone, LEDs, a …

Blink-former: Light-aided beamforming for multiple targets enhancement

D Horiike, R Scheibler… - 2019 IEEE 21st …, 2019 - ieeexplore.ieee.org
We propose a multimodal framework to enhance multiple target sound sources using a
conventional microphone array, a video camera, and sound power sensors, called Blinkies …