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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, indoor localization, motion capture, and intelligent…

Image and Video Processing · Electrical Eng. & Systems 2019-10-17 Nasir Saeed , Shuaishuai Guo , Ki-Hong Park , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

This paper presents the verified methodology for wireless authentication system using infrared barcode based scanner. An alternate approach of scanning a barcode using an infrared communication is implemented here, comprises of a card on…

Cryptography and Security · Computer Science 2016-10-04 Muhammad Salman Raheel , Muhammad Raza Asfi , Muhammad Farooq-i-Azam , H. R. Shaukat , Jaweria Shafqat

As the ubiquity of smart mobile devices continues to rise, Optical Camera Communication systems have gained more attention as a solution for efficient and private data streaming. This system utilizes optical cameras to receive data from…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Hang Su , Ling Gao , Tao Liu , Laurent Kneip

Optical Wireless Communication (OWC) is regarded as an auspicious communication approach that can outperform the existing wireless technology. It utilizes LED lights, whose subtle variation in radiant intensity generate a binary data…

Robotics · Computer Science 2022-05-10 Fadi Al-Turjman , Diletta Cacciagrano , Leonardo Mostarda , Mattia Paccamiccio , Zaib Ullah

Implementations of tracking systems have become prevalent issues in modern technology due to its advantage of location detection of objects. Objects are usually tracked using trackers based on GPS, GSM, RFID and Bluetooth signal strength…

Networking and Internet Architecture · Computer Science 2012-09-17 Samuel King Opoku

The requirements in terms of service quality such as data rate, latency, power consumption, number of connectivity of future fifth-generation (5G) communication is very high. Moreover, in Internet of Things (IoT) requires massive…

Networking and Internet Architecture · Computer Science 2020-06-03 Mostafa Zaman Chowdhury , Moh Khalid Hasan , Md Shahjalal , Eun Bi Shin , Yeong Min Jang

We propose a robust demodulation scheme for optical camera communication systems using an event-based vision sensor, combining OOK with toggle demodulation and a digital phase-locked loop. This is the first report to achieve a $\mathrm{BER}…

Computer Vision and Pattern Recognition · Computer Science 2025-10-17 Miu Sumino , Mayu Ishii , Shun Kaizu , Daisuke Hisano , Yu Nakayama

Optical interconnect is seen as a potential solution to meet the performance requirements of current and future generation of data processors. Optical interconnects have negligible frequency dependent loss, low cross talk and high band…

Emerging Technologies · Computer Science 2013-03-19 Sumita Mishra , Naresh K Chaudhary , Kalyan Singh

We demonstrate an LED-based optical wireless link for fixed wireless access applications, at data rates of 1.5 Gbit/s over 50 m. Transmission between indoor equipment and outdoor access point is possible through metal-coated insulation…

Networking and Internet Architecture · Computer Science 2021-07-05 Dominic Schulz , Julian Hohmann , Peter Hellwig , Christoph Kottke , Ronald Freund , Volker Jungnickel , Ralf-Peter Braun , Frank Geilhardt

This paper presents a complete Optical Character Recognition (OCR) system for camera captured image/graphics embedded textual documents for handheld devices. At first, text regions are extracted and skew corrected. Then, these regions are…

Computer Vision and Pattern Recognition · Computer Science 2011-09-16 Ayatullah Faruk Mollah , Nabamita Majumder , Subhadip Basu , Mita Nasipuri

An IoT optical sensor based on the series-connected RGB LEDs is designed, which exhibits the light-controllable optical-to-electrical response like a phototransistor. The IoT sensor has the maximal AC and DC responsivities to the violet…

Applied Physics · Physics 2018-10-23 Shangbin Li , Shuang Liang , Zhengyuan Xu

This paper describes the use of a new extension of the Bluetooth connection protocol, called FatBeacon, which faces the problem of obtaining information where no Internet connection is available. Rather than advertising a URL to load a web…

Cryptography and Security · Computer Science 2022-08-12 Moisés Lodeiro-Santiago , Pino Caballero-Gil , Cándido Caballero-Gil , Félix Herrera Priano

Despite technological advances, most smart objects in the Internet of Things (IoT) cannot be accessed using technologies designed and developed for interacting with powerful Internet servers. IoT use cases involve devices that not only have…

Cryptography and Security · Computer Science 2019-01-24 Nikos Fotiou , Vasilios A. Siris , George C. Polyzos

Data protection methods like cryptography, despite being effective, inadvertently signal the presence of secret communication, thereby drawing undue attention. Here, we introduce an optical information hiding camera integrated with an…

Optics · Physics 2024-06-13 Bijie Bai , Ryan Lee , Yuhang Li , Tianyi Gan , Yuntian Wang , Mona Jarrahi , Aydogan Ozcan

Offering a high data rate to users inside the cabin is attractive for the aircraft building companies. This paper presents an optical wireless system that uses visible light for transmitting data. The reading light for each seat is used as…

Signal Processing · Electrical Eng. & Systems 2019-10-16 Osama Zwaid Alsulami , Mohammed T. Alresheedi , Jaafar M. H. Elmirghani

Voice recognition technology enables the execution of real-world operations through a single voice command. This paper introduces a voice recognition system that involves converting input voice signals into corresponding text using an…

Robotics · Computer Science 2023-12-08 Lochan Basyal

Human sensing information such as audio (hearing) and visual (sight) or a combination thereof audiovisual are transferred over communication networks. Yet interacting sense of touch (haptic) and particularly the kinaesthetic (muscular…

Networking and Internet Architecture · Computer Science 2021-04-12 Chathura Sarathchandra , Kay Haensge , Sebastian Robitzsch , Mona Ghassemian , Ulises Olvera-Hernandez

The present work describes a website designed for remote teaching of optical measurements using lasers. It enables senior undergraduate and postgraduate students to learn theoretical aspects of the subject and also have a means to perform…

Physics Education · Physics 2018-03-02 Veena Singh , Richa Dubey , P. K. Panigrahi , K. Muralidhar

Although many of the information processing systems are text-based, much of the information in the real life is generally multimedia objects, so there is a need to define and standardize the frame works for multimedia-based information…

Multimedia · Computer Science 2014-03-18 Reza Rahimi , J Hengmeechai

The exponential increase in the number of devices connected to the internet globally has led to the requirement for the introduction of better and improved security measures for maintaining data integrity. The development of a wireless and…

Cryptography and Security · Computer Science 2024-09-02 Amith N Bharadwaj , G Adarsh , Gurusatwik Bhatta N , Karan K , Vijay B T
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