Zobrazeno 1 - 10
of 12 383
pro vyhledávání: '"MPI"'
Autor:
Murat Konca
Publikováno v:
Verimlilik Dergisi, Vol 58, Iss 4, Pp 479-500 (2024)
Amaç: Bu çalışma, SARS-CoV-2 (COVID-19) pandemisinin sağlık sistemlerinin etkinliği üzerindeki etkisini araştırmayı amaçlamıştır.Yöntem: Çalışmada, aylak tabanlı model, panel veri analizi, Malmquist Toplam Faktör Verimlilik Endek
Externí odkaz:
https://doaj.org/article/95fdb8b3740b4e919fe0555f7759f131
Autor:
Farnaz Yousefzadeh, Mehran Yazdi, Seyed Mohammad Entezarmahdi, Reza Faghihi, Sadegh Ghasempoor, Negar Shahamiri, Zahra Abuee Mehrizi, Mahdi Haghighatafshar
Publikováno v:
EJNMMI Physics, Vol 11, Iss 1, Pp 1-22 (2024)
Abstract Purpose The problem of image denoising in single-photon emission computed tomography (SPECT) myocardial perfusion imaging (MPI) is a fundamental challenge. Although various image processing techniques have been presented, they may degrade th
Externí odkaz:
https://doaj.org/article/1a2f20db14744eb1ae7bc34e8aee9538
Autor:
Zoubida Chorfi, Ibtissam El Khalai
Publikováno v:
Future Transportation, Vol 4, Iss 3, Pp 1046-1058 (2024)
Assessing road safety performance in various regions of a country is crucial for improving overall road safety conditions and reducing the global mortality rate. This study employs the data-envelopment-analysis-based Malmquist productivity index (DEA
Externí odkaz:
https://doaj.org/article/61f3d23b5dbb49be9a13becfd5299807
Autor:
Chia-Ju Liu, Jien-jiun Chen, Jo-Hsuan Wu, Yao-Te Chung, Jin-Wun Chen, Meng-Tsun Liu, Chu-Hsuan Chiu, Yi-Cheng Chang, Sheng-Nan Chang, Jou-Wei Lin, Juey-Jen Hwang
Publikováno v:
Journal of the Formosan Medical Association, Vol 123, Iss 9, Pp 968-974 (2024)
Background: Exosomes are membrane vesicles that are actively secreted in response to microenvironmental stimuli. In this study, we quantified the amount of exosomes in patients with significant coronary artery disease (CAD) and evaluated its relation
Externí odkaz:
https://doaj.org/article/dc438472a88a4b71a6c4431f5068a99e
Autor:
Seweryn Krajewski, Lukasz Steczek, Karina Gotowicz, Urszula Karczmarczyk, Joanna Towpik, Ewa Witkowska-Patena, Krzysztof Łyczko, Maciej Mazur, Przemysław Kozanecki, Joanna Włostowska, Juhani Knuuti, Mirosław Dziuk, Piotr Garnuszek, Cezary Kozanecki
Publikováno v:
EJNMMI Research, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract Background Positron emission tomography (PET) is now an established diagnostic method for myocardial perfusion imaging (MPI) in coronary artery disease, which is the main cause of death globally. The available tracers show several limitation
Externí odkaz:
https://doaj.org/article/b265b8146c964dcca69d497194840677
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 6, Pp 2219-2231 (2024)
The high-resolution DEM-IMB-LBM model can accurately describe pore-scale fluid-solid interactions, but its potential for use in geotechnical engineering analysis has not been fully unleashed due to its prohibitive computational costs. To overcome thi
Externí odkaz:
https://doaj.org/article/399ad29b8e4149569db1a041e7ed7454
Autor:
Marialuisa Zedde, Simona Lattanzi, Andrea Pilotto, Daniel Janitschke, Jakob Stögbauer, Fatma Merzou, Rosario Pascarella, Alessandro Padovani, Andrea Morotti, Piergiorgio Lochner
Publikováno v:
Frontiers in Neurology, Vol 15 (2024)
BackgroundFrailty, defined as multidimensional prognostic index (MPI), has been recently identified as strong predictor of disability and mortality in the elderly with acute ischemic stroke (AIS). The stress hyperglycemia ratio (SHR) is a recently in
Externí odkaz:
https://doaj.org/article/ada513dc24c4472ca9555c7540860aca
Autor:
Hongli Yu, Ping Huang, Xiting Peng, Zheyan Wang, Zhichuan Qiu, Kewen Li, Tianshu Li, Zhiyao Liu, Hao Cui, Shi Bai
Publikováno v:
Frontiers in Medical Technology, Vol 6 (2024)
IntroductionMagnetic particle imaging (MPI), a radiation-free, dynamic, and targeted imaging technique, has gained significant traction in both research and clinical settings worldwide. Signal-to-noise ratio (SNR) is a crucial factor influencing MPI
Externí odkaz:
https://doaj.org/article/e4feac89534b4007aa8e4fb9dbc0011f
Publikováno v:
Journal of Computer Science and Technology, Vol 24, Iss 2 (2024)
Tools to identify problems and improve MPI applications performance running on an HPC system require information from the application and the system. In this work we will focus on defining a methodology to analyze how memory usage affects an MPI appl
Externí odkaz:
https://doaj.org/article/13f94b29173547deaada2d80fcd0bc21