Results 31 to 40 of about 1,336,223 (281)

An NB-IoT-Based Edge-of-Things Framework for Energy-Efficient Image Transfer

open access: yesSensors, 2021
Machine Learning (ML) techniques can play a pivotal role in energy efficient IoT networks by reducing the unnecessary data from transmission. With such an aim, this work combines a low-power, yet computationally capable processing unit, with an NB-IoT ...
Sikandar Zulqarnain Khan   +2 more
doaj   +1 more source

Modifications of the Mobile Robotic System Crawler [PDF]

open access: yesTransactions of the VŠB-Technical University of Ostrava, Mechanical Series, 2016
The paper describes modifications of an inspection mobile robotic system. Those were carried out in order to increase the functional value of the current mobile robot.
Jiří SUDER   +3 more
doaj   +1 more source

Recording of multiple holograms in photopolymer films [PDF]

open access: yes, 1992
Multiple images were recorded in DuPont HRF-150 photopolymer as transmission holograms by using angle multiplexing. Agreement with Kogelnik's two-wave diffraction theory for phase gratings, the time considerations and its effect on dynamic range, the ...
Curtis, Kevin, Psaltis, Demetri
core   +1 more source

Implementation of an Efficient Image Transmission Algorithm for Unmanned Surface Vehicles Based on Semantic Communication

open access: yesJournal of Marine Science and Engineering, 2023
With the increasingly maturing technology of unmanned surface vehicles (USVs), their applications are becoming more and more widespread. In order to meet operational requirements in complex scenarios, the real-time interaction and linkage of a large ...
Yuanming Chen   +3 more
doaj   +1 more source

Using digital watermarking to enhance security in wireless medical image transmission [PDF]

open access: yes, 2010
This is the published version of the article. Copyright 2010 Mary Ann Liebert Inc.During the last few years, wireless networks have been increasingly used both inside hospitals and in patients’ homes to transmit medical information.
Aggeliki Giakoumaki   +10 more
core   +1 more source

Seeing at a distance with multicore fibers

open access: yesOpto-Electronic Advances
Images and videos provide a wealth of information for people in production and life. Although most digital information is transmitted via optical fiber, the image acquisition and transmission processes still rely heavily on electronic circuits.
Haogong Feng   +6 more
doaj   +1 more source

Transmission area and correlated imaging

open access: yesOptics Express, 2007
The relationship between transmission area of an object imaged and the visibility of correlated imaging is investigated in a lensless system. We show that they are not in simple inverse proportion, as usually depicted. The changes of the visibility will be quite different when the transmission area is varied by different manners, which may motivate ...
Yanfeng, Bai   +2 more
openaire   +2 more sources

Transmission diamond imaging detector [PDF]

open access: yesAIP Conference Proceedings, 2016
Many modern synchrotron techniques are trending toward use of high flux beams and/or beams which require enhanced stability and precise understanding of beam position and intensity from the front end of the beamline all the way to the sample. For high flux beams, major challenges include heat load management in optics (including the vacuum windows) and
John Smedley   +6 more
openaire   +1 more source

The newfound relationship between extrachromosomal DNAs and excised signal circles

open access: yesFEBS Letters, EarlyView.
Extrachromosomal DNAs (ecDNAs) contribute to the progression of many human cancers. In addition, circular DNA by‐products of V(D)J recombination, excised signal circles (ESCs), have roles in cancer progression but have largely been overlooked. In this Review, we explore the roles of ecDNAs and ESCs in cancer development, and highlight why these ...
Dylan Casey, Zeqian Gao, Joan Boyes
wiley   +1 more source

Channel Code-Book (CCB): Semantic Image-Adaptive Transmission in Satellite–Ground Scenario

open access: yesSensors
Satellite–ground communication is a critical component in the global communication system, significantly contributing to environmental monitoring, radio and television broadcasting, aerospace operations, and other domains.
Hui Cao   +4 more
doaj   +1 more source

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