Some practical constraints and solutions for optical camera communication

W Liu, Z Xu - … Transactions of the Royal Society A, 2020 - royalsocietypublishing.org
Mobile wireless communication heavily relies on the radio frequency to convey message
and data. However, its limited spectrum can hardly meet the demands for the future high …

Light field messaging with deep photographic steganography

E Wengrowski, K Dana - … of the IEEE/CVF conference on …, 2019 - openaccess.thecvf.com
Abstract We develop Light Field Messaging (LFM), a process of embedding, transmitting,
and receiving hidden information in video that is displayed on a screen and captured by a …

Optical camera communications: Survey, use cases, challenges, and future trends

N Saeed, S Guo, KH Park, TY Al-Naffouri… - Physical …, 2019 - Elsevier
Recently, a camera or an image sensor receiver based optical wireless communications
(OWC) techniques have attracted particular interest in areas such as the internet of things …

Colorbars: Increasing data rate of led-to-camera communication using color shift keying

P Hu, PH Pathak, X Feng, H Fu… - proceedings of the 11th …, 2015 - dl.acm.org
LED-to-camera communication allows LEDs deployed for illumination purposes to modulate
and transmit data which can be received by camera sensors available in mobile devices like …

TERA: Screen-to-camera image code with transparency, efficiency, robustness and adaptability

H Fang, D Chen, F Wang, Z Ma, H Liu… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
With the rapid development of digital devices, the issue of how to transmit information
among different devices with multimedia carriers has drawn much attention from the …

Messages behind the sound: real-time hidden acoustic signal capture with smartphones

Q Wang, K Ren, M Zhou, T Lei… - Proceedings of the 22nd …, 2016 - dl.acm.org
With the ever-increasing use of smart devices, recent research endeavors have led to
unobtrusive screen-camera communication channel designs, which allow simultaneous …

High-rate flicker-free screen-camera communication with spatially adaptive embedding

V Nguyen, Y Tang, A Ashok, M Gruteser… - … INFOCOM 2016-The …, 2016 - ieeexplore.ieee.org
Embedded screen-camera communication techniques encode information in screen
imagery that can be decoded with a camera receiver yet remains unobtrusive to the human …

Chromacode: A fully imperceptible screen-camera communication system

K Zhang, C Wu, C Yang, Y Zhao, K Huang… - Proceedings of the 24th …, 2018 - dl.acm.org
Hidden screen-camera communication techniques emerge as a new paradigm that embeds
data imperceptibly into regular videos while remaining unobtrusive to human viewers. Three …

Automating visual privacy protection using a smart led

S Zhu, C Zhang, X Zhang - Proceedings of the 23rd Annual International …, 2017 - dl.acm.org
The ubiquity of mobile camera devices has been triggering an outcry of privacy concerns,
whereas privacy protection still relies on the cooperation of the photographer or camera …

Softlight: Adaptive visible light communication over screen-camera links

W Du, JC Liando, M Li - IEEE INFOCOM 2016-The 35th Annual …, 2016 - ieeexplore.ieee.org
Screen-camera links for Visible Light Communication (VLC) are diverse, as the link quality
varies according to many factors, such as ambient light and camera's performance. This …