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We provide a protection system making use of encapsulation, messages communication, interface functions coming from an object oriented model described in previous works. Each user represents himself to the system by the mean of his "USER"…

Programming Languages · Computer Science 2020-07-27 Joël Colloc

Integrated sensing and communication (ISAC) is viewed as a crucial component of future mobile networks and has gained much interest in both academia and industry. Similar to the emergence of radio-frequency (RF) ISAC, the integration of…

Signal Processing · Electrical Eng. & Systems 2024-03-12 Yunfeng Wen , Fang Yang , Jian Song , Zhu Han

The smart mobile terminal operator platform Android is getting popular all over the world with its wide variety of applications and enormous use in numerous spheres of our daily life. Considering the fact of increasing demand of home…

Other Computer Science · Computer Science 2015-04-15 Sadeque Reza Khan , Farzana Sultana Dristy

Localizing smartphones in indoor environments offers excellent opportunities for e-commerce. In this paper, we propose a localization technique for smartphones in indoor environments. This technique can calculate the coordinates of a…

Signal Processing · Electrical Eng. & Systems 2018-10-10 Md. Tanvir Hossan , Mostafa Zaman Chowdhury , Amirul Islam , Yeong Min Jang

Today's high-capacity telecommunication systems are unimaginable without the use of optical fibres and accompanying optical components which are briefly presented in this paper with an accent on the receivers of optical signal. An overview…

Optics · Physics 2009-12-14 Natasa Zivic

High-speed optical wireless communication can address the exponential growth in data traffic. Adaptive beamforming customized for the target location is crucial, but existing solutions such as liquidcrystal spatial light modulators and…

Networking and Internet Architecture · Computer Science 2023-04-27 Chao Li , Yiwen Zhang , Xinda Yan , Yuzhe Wang , Xuebing Zhang , Jian Cui , Lei Zhu , Juhao Li , Zilun Li , Shaohua Yu , Zizheng Cao , A. M. J. Koonen , Chia Wei Hsu

The increasing use of Internet of Things (IoT) devices has led to a rise in security related concerns regarding IoT Networks. The surveillance cameras in IoT networks are vulnerable to security threats such as brute force and zero-day…

Cryptography and Security · Computer Science 2025-09-09 Umair Amjid , M. Umar Khan , S. A. Manan Kirmani

The spatial behavior of passersby can be critical to blind individuals to initiate interactions, preserve personal space, or practice social distancing during a pandemic. Among other use cases, wearable cameras employing computer vision can…

Human-Computer Interaction · Computer Science 2021-09-14 Kyungjun Lee , Daisuke Sato , Saki Asakawa , Chieko Asakawa , Hernisa Kacorri

In this paper, we introduce an uplink optical wireless positioning system for indoor applications. This technique uses fingerprints based on the indoor optical wireless channel impulse response for localization. Exploiting the line of sight…

Information Theory · Computer Science 2020-05-06 Hamid Hosseinianfar , Maite Brandt-Pearce

We introduce a novel method to automatically adjust camera exposure for image processing and computer vision applications on mobile robot platforms. Because most image processing algorithms rely heavily on low-level image features that are…

Computer Vision and Pattern Recognition · Computer Science 2018-06-14 Inwook Shim , Tae-Hyun Oh , Joon-Young Lee , Jinwook Choi , Dong-Geol Choi , In So Kweon

We implemented a system able to locate people indoor, with the purpose of providing assistive services. Such approach is particularly important for the Art, for providing information on exhibitions, art galleries and museums, and to allow…

Human-Computer Interaction · Computer Science 2022-12-14 Osvaldo Gervasi , Martina Fortunelli , Riccardo Magni , Damiano Perri , Marco Simonetti

Internet of Things (IoT) technologies are the foundation of a fully connected world. Currently, IoT devices (or nodes) primarily use dedicated sensors to sense and collect data at large scales, and then transmit the data to target nodes or…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-11-07 Zhaoxin Chang , Fusang Zhang , Daqing Zhang

This paper proposes an idea of building an interface to merge the existing technologies like Image processing, Internet of Things, Sixth sense, etc. at one place to reduce the hardware restrictions imposed on a user and improve the…

Human-Computer Interaction · Computer Science 2024-09-05 Shubhankar Mohan , Aditi Chaudhary , Prachie Gupta , Ritu Tiwari

The ability to visually verify some element of a remotely controlled agricultural automation system through a photograph is valuable in many cases, not only in the operational phase of the system, but especially in the design and…

Signal Processing · Electrical Eng. & Systems 2022-05-26 Ivan Hu , Zihuai Lin

Bluetooth is a promising short-range radio network technology. We present a low cost and easily deployed, scalable infrastructure for indoor location-based computing of mobile devices based on Bluetooth technology. The system consists of 2…

Networking and Internet Architecture · Computer Science 2012-08-09 Zaafir Barahim , M. Razvi Doomun , Nazrana Joomun

World has been introduced with a new way of living by inventing this advanced technology Internet of Things (IOT). By using this technology all the real-world objects can be made to interconnect and communicate with each other which can be…

Networking and Internet Architecture · Computer Science 2021-05-28 Subhash Bhagavan Kommina , Kiran Kumar Pulamoluy , Kumar Umesh Pentakota , S Sravya

The modern information networks are built on hybrid systems working at disparate optical wavelengths. Coherent interconnects for converting photons between different wavelengths are highly desired. Although coherent interconnects have…

Optics · Physics 2021-09-22 Xiang Xi , Chang-Ling Zou , Chun-Hua Dong , Xiankai Sun

This article describes the design of a flexible and low-cost platform for monitoring environmental variables applied to agriculture. For the construction of this platform, technologies based on the communication protocol, Wi-Fi, Bluetooth,…

Networking and Internet Architecture · Computer Science 2021-01-15 Harold Pinilla , Jose Macias , Emmanuel Lescano , Jose David Alvarado , Wilder Castellanos

We present a novel method for communicating between a camera and display by embedding and recovering hidden and dynamic information within a displayed image. A handheld camera pointed at the display can receive not only the display image,…

Computer Vision and Pattern Recognition · Computer Science 2015-01-09 Wenjia Yuan , Eric Wengrowski , Kristin J. Dana , Ashwin Ashok , Marco Gruteser , Narayan Mandayam

Methods of increasing linear optical dynamic range of commercial photocamera for optical-digital imaging systems are described. Use of such methods allows to use commercial photocameras for optical measurements. Experimental results are…

Computer Vision and Pattern Recognition · Computer Science 2008-05-20 M. V. Konnik , E. A. Manykin , S. N. Starikov