Zobrazeno 1 - 10
of 3 191
pro vyhledávání: '"motion artifacts"'
Publikováno v:
Brain Informatics, Vol 11, Iss 1, Pp 1-13 (2024)
Abstract Brain age algorithms using data science and machine learning techniques show promise as biomarkers for neurodegenerative disorders and aging. However, head motion during MRI scanning may compromise image quality and influence brain age estim
Externí odkaz:
https://doaj.org/article/2a081f474ca9464f8b97dfd4bcd399f1
Publikováno v:
IEEE Access, Vol 12, Pp 81221-81235 (2024)
This study aimed to investigate the application of label propagation techniques to propagate labels among photoplethysmogram (PPG) signals, particularly in imbalanced class scenarios and limited data availability scenarios, where clean PPG samples ar
Externí odkaz:
https://doaj.org/article/3939fea754684088841ab78140416c86
Publikováno v:
Frontiers in Physics, Vol 12 (2024)
Objective: To evaluate and compare the image quality of T2-weighted abdominal scans using a respiratory belt trigger (RBT) and frequency-modulated continuous wave (FMCW)-trigger (FT) techniques and to explore the feasibility of FT in abdominal magnet
Externí odkaz:
https://doaj.org/article/200f7b8c71d9428f8dc392d7ddb418cf
Publikováno v:
Sensors, Vol 24, Iss 12, p 3737 (2024)
Optical tracking of head pose via fiducial markers has been proven to enable effective correction of motion artifacts in the brain during magnetic resonance imaging but remains difficult to implement in the clinic due to lengthy calibration and set u
Externí odkaz:
https://doaj.org/article/160119a0ceaa48d2ba2753683b7951bf
Publikováno v:
Frontiers in Neuroscience, Vol 17 (2023)
This paper provides a concise review of learning-based motion artifacts (MA) processing methods in functional near-infrared spectroscopy (fNIRS), highlighting the challenges of maintaining optimal contact during subject movement, which can lead to MA
Externí odkaz:
https://doaj.org/article/2706ee810368477892f70ce9bdd31088
Publikováno v:
Visual Computing for Industry, Biomedicine, and Art, Vol 5, Iss 1, Pp 1-13 (2022)
Abstract This review paper aims to summarize cardiac CT blooming artifacts, how they present clinically and what their root causes and potential solutions are. A literature survey was performed covering any publications with a specific interest in ca
Externí odkaz:
https://doaj.org/article/6664aae68cc243f794b9ed2c48aaf0aa
Publikováno v:
ETRI Journal, Vol 44, Iss 5, Pp 816-825 (2022)
Nondestructive testing, which can monitor a product’s interior without disassembly, is becoming increasingly essential for industrial inspection. Computed laminography (CL) is widely used in this application, as it can reconstruct a product, such a
Externí odkaz:
https://doaj.org/article/d1eee497d0af44c494778b04e93bc0e2
Publikováno v:
Complex & Intelligent Systems, Vol 9, Iss 1, Pp 981-999 (2022)
Abstract Heart health monitoring based on wearable devices is often contaminated by various noises to varying degrees. Using signal quality indicators (SQIs) to achieve signal quality assessment (SQA) is among the most promising ways to solve this pr
Externí odkaz:
https://doaj.org/article/457ad9c6261645c99ee14225083426ea
Autor:
Aikaterini Vraka, Roberto Zangróniz, Aurelio Quesada, Fernando Hornero, Raúl Alcaraz, José J. Rieta
Publikováno v:
Sensors, Vol 24, Iss 1, p 141 (2023)
Health-tracking from photoplethysmography (PPG) signals is significantly hindered by motion artifacts (MAs). Although many algorithms exist to detect MAs, the corrupted signal often remains unexploited. This work introduces a novel method able to rec
Externí odkaz:
https://doaj.org/article/2c8ee6ec529c4d2e8ea8f749ef5a217c
Autor:
Guillaume Fahrni, Giuseppe Gullo, Aisha Touray, Stéphane Fournier, Anne-Marie Jouannic, Henri Lu, Damien Racine, Olivier Muller, Chiara Pozzessere, Salah D. Qanadli, David C. Rotzinger
Publikováno v:
Journal of Cardiovascular Development and Disease, Vol 10, Iss 10, p 424 (2023)
Background: Coronary CT angiography (CCTA) is increasingly used as a non-invasive tool to assess coronary artery disease (CAD). However, CCTA is subject to motion artifacts, potentially limiting its clinical utility. Despite faster (0.35 and 0.28 s/r
Externí odkaz:
https://doaj.org/article/4cdb7faa90354001aab71d1d9db1fc8d