Results 11 to 20 of about 3,352,449 (323)

Treatment planning with a 2.5 MV photon beam for radiation therapy

open access: yesJournal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022
Abstract Purpose The shallow depth of maximum dose and higher dose fall‐off gradient of a 2.5 MV beam along the central axis that is available for imaging on linear accelerators is investigated for treatment of shallow tumors and sparing the organs at risk (OARs) beyond it.
Navid Khaledi   +5 more
wiley   +1 more source

Attention-based spatial–temporal multi-graph convolutional networks for casualty prediction of terrorist attacks

open access: yesComplex & Intelligent Systems, 2023
At present, terrorism has become an important factor affecting world peace and development. As the time series data of terrorist attacks usually show a high degree of spatial–temporal correlation, the spatial–temporal prediction of casualties in ...
Zhiwen Hou   +3 more
doaj   +1 more source

Defining Information Security [PDF]

open access: yesScience and Engineering Ethics, 2017
This article proposes a new definition of information security, the 'Appropriate Access' definition. Apart from providing the basic criteria for a definition-correct demarcation and meaning concerning the state of security-it also aims at being a definition suitable for any information security perspective.
Björn Lundgren, Niklas Möller
openaire   +4 more sources

Evaluation of patient doses for routine digital radiography procedures toward establishing an institutional diagnostic reference levels: A case study in Sri Lanka

open access: yesJournal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022
Abstract The present study was conducted as part of a comprehensive work to establish National Diagnostic Reference Levels (NDRLs) in Sri Lanka for the first time. DRLs can be used as an effective optimization tool for identifying unusually high or low patient doses during X‐ray examinations.
Sachith Welarathna   +3 more
wiley   +1 more source

Well‐being on supportive techniques in amyotrophic lateral sclerosis: from neurologists' perspective

open access: yesAnnals of Clinical and Translational Neurology, Volume 9, Issue 12, Page 1874-1883, December 2022., 2022
Abstract Objective To investigate intercultural neurologists' perception of well‐being in patients with amyotrophic lateral sclerosis (ALS) using gastrostomy (PEG), non‐invasive, and/or invasive ventilation (NIV/IV) and to analyse the determinants and impact on the management of the above medical interventions (MIs).
Krzysztof Barć   +7 more
wiley   +1 more source

Attention-based message passing and dynamic graph convolution for spatiotemporal data imputation

open access: yesScientific Reports, 2023
Although numerous spatiotemporal approaches have been presented to address the problem of missing spatiotemporal data, there are still limitations in concurrently capturing the underlying spatiotemporal dependence of spatiotemporal graph data ...
Yifan Wang   +6 more
doaj   +1 more source

Person Re-Identification Method Based on Dual Descriptor Feature Enhancement

open access: yesEntropy, 2023
Person re-identification is a technology used to identify individuals across different cameras. Existing methods involve extracting features from an input image and using a single feature for matching.
Ronghui Lin   +5 more
doaj   +1 more source

The LBC-3 lightweight encryption algorithm

open access: yesOpen Engineering, 2022
This article presents a developed lightweight data encryption algorithm called LBC-3. Its essential difference from the known algorithms is the R1 function and the procedure for generating round keys.
Nyssanbayeva Saule   +3 more
doaj   +1 more source

Particle Propagation Model for Dynamic Node Classification

open access: yesIEEE Access, 2020
With the popularity of online social networks, researches on dynamic node classification have received further attention. Dynamic node classification also helps the rapid popularization of online social networks.
Wenzheng Li   +4 more
doaj   +1 more source

A Framework for Analyzing Fraud Risk Warning and Interference Effects by Fusing Multivariate Heterogeneous Data: A Bayesian Belief Network

open access: yesEntropy, 2023
In the construction of a telecom-fraud risk warning and intervention-effect prediction model, how to apply multivariate heterogeneous data to the front-end prevention and management of telecommunication network fraud has become one of the focuses of this
Mianning Hu   +4 more
doaj   +1 more source

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