AI improves consistency in regional brain volumes measured in ultra-low-field MRI and 3T MRI

This study compares volumetric measurements of various brain regions using different magnetic resonance imaging (MRI) modalities and deep learning models, specifically 3T MRI, ultra-low field (ULF) MRI at 64mT, and AI-enhanced ULF MRI using SynthSR and HiLoResGAN. The aim is to evaluate the alignmen...

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Main Authors: Kh Tohidul Islam, Shenjun Zhong, Parisa Zakavi, Helen Kavnoudias, Shawna Farquharson, Gail Durbridge, Markus Barth, Andrew Dwyer, Katie L. McMahon, Paul M. Parizel, Richard McIntyre, Gary F. Egan, Meng Law, Zhaolin Chen
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-06-01
Series:Frontiers in Neuroimaging
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Online Access:https://www.frontiersin.org/articles/10.3389/fnimg.2025.1588487/full
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author Kh Tohidul Islam
Shenjun Zhong
Parisa Zakavi
Helen Kavnoudias
Helen Kavnoudias
Shawna Farquharson
Gail Durbridge
Markus Barth
Markus Barth
Andrew Dwyer
Andrew Dwyer
Katie L. McMahon
Paul M. Parizel
Paul M. Parizel
Richard McIntyre
Richard McIntyre
Gary F. Egan
Meng Law
Meng Law
Zhaolin Chen
Zhaolin Chen
author_facet Kh Tohidul Islam
Shenjun Zhong
Parisa Zakavi
Helen Kavnoudias
Helen Kavnoudias
Shawna Farquharson
Gail Durbridge
Markus Barth
Markus Barth
Andrew Dwyer
Andrew Dwyer
Katie L. McMahon
Paul M. Parizel
Paul M. Parizel
Richard McIntyre
Richard McIntyre
Gary F. Egan
Meng Law
Meng Law
Zhaolin Chen
Zhaolin Chen
author_sort Kh Tohidul Islam
collection DOAJ
description This study compares volumetric measurements of various brain regions using different magnetic resonance imaging (MRI) modalities and deep learning models, specifically 3T MRI, ultra-low field (ULF) MRI at 64mT, and AI-enhanced ULF MRI using SynthSR and HiLoResGAN. The aim is to evaluate the alignment and agreement among field strengths and ULF MRI with and without AI. Descriptive statistics, paired t-tests, effect size analyses, and regression analyses are employed to assess the relationships and differences between modalities. The results indicate that volumetric measurements derived from 64mT MRI deviate significantly from those obtained using 3T MRI. By leveraging SynthSR and LoHiResGAN models, these deviations are reduced, bringing the volumetric estimates closer to those obtained from 3T MRI, which serves as the reference standard for brain volume quantification. These findings highlight that deep learning models can reduce systematic differences in brain volume measurements across field strengths, providing potential solutions to minimize bias in imaging studies.
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issn 2813-1193
language English
publishDate 2025-06-01
publisher Frontiers Media S.A.
record_format Article
series Frontiers in Neuroimaging
spelling doaj-art-35b65dbbf84f4d31ab2e936f8ab23a262025-08-20T03:20:10ZengFrontiers Media S.A.Frontiers in Neuroimaging2813-11932025-06-01410.3389/fnimg.2025.15884871588487AI improves consistency in regional brain volumes measured in ultra-low-field MRI and 3T MRIKh Tohidul Islam0Shenjun Zhong1Parisa Zakavi2Helen Kavnoudias3Helen Kavnoudias4Shawna Farquharson5Gail Durbridge6Markus Barth7Markus Barth8Andrew Dwyer9Andrew Dwyer10Katie L. McMahon11Paul M. Parizel12Paul M. Parizel13Richard McIntyre14Richard McIntyre15Gary F. Egan16Meng Law17Meng Law18Zhaolin Chen19Zhaolin Chen20Monash Biomedical Imaging, Monash University, Clayton, VIC, AustraliaMonash Biomedical Imaging, Monash University, Clayton, VIC, AustraliaMonash Biomedical Imaging, Monash University, Clayton, VIC, AustraliaDepartment of Radiology, The Alfred, Melbourne, VIC, AustraliaDepartment of Surgery, School of Translational Medicine, Monash University, Clayton, VIC, AustraliaAustralian National Imaging Facility, Brisbane, QLD, AustraliaHerston Imaging Research Facility, University of Queensland, Brisbane, QLD, AustraliaSchool of Electrical Engineering and Computer Science, University of Queensland, Brisbane, QLD, AustraliaCentre for Advanced Imaging, Australian Institute for Bioengineering and Nanotechnology, University of Queensland, Brisbane, QLD, AustraliaSouth Australian Health and Medical Research Institute, Adelaide, SA, AustraliaSA Medical Imaging, SA Health, Adelaide, SA, Australia0School of Clinical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, QLD, Australia1David Hartley Chair of Radiology, Royal Perth Hospital, Perth, WA, Australia2Medical School, University of Western Australia, Perth, WA, AustraliaMonash Biomedical Imaging, Monash University, Clayton, VIC, Australia3Monash Healthcare Network, Melbourne, VIC, AustraliaMonash Biomedical Imaging, Monash University, Clayton, VIC, AustraliaDepartment of Radiology, The Alfred, Melbourne, VIC, Australia4Department of Neuroscience, School of Translational Medicine, Monash University, Clayton, VIC, AustraliaMonash Biomedical Imaging, Monash University, Clayton, VIC, Australia5Department of Data Science and AI, Monash University, Clayton, VIC, AustraliaThis study compares volumetric measurements of various brain regions using different magnetic resonance imaging (MRI) modalities and deep learning models, specifically 3T MRI, ultra-low field (ULF) MRI at 64mT, and AI-enhanced ULF MRI using SynthSR and HiLoResGAN. The aim is to evaluate the alignment and agreement among field strengths and ULF MRI with and without AI. Descriptive statistics, paired t-tests, effect size analyses, and regression analyses are employed to assess the relationships and differences between modalities. The results indicate that volumetric measurements derived from 64mT MRI deviate significantly from those obtained using 3T MRI. By leveraging SynthSR and LoHiResGAN models, these deviations are reduced, bringing the volumetric estimates closer to those obtained from 3T MRI, which serves as the reference standard for brain volume quantification. These findings highlight that deep learning models can reduce systematic differences in brain volume measurements across field strengths, providing potential solutions to minimize bias in imaging studies.https://www.frontiersin.org/articles/10.3389/fnimg.2025.1588487/fullaccessible MRIultra-low-field MRIdeep learning in neuroimagingbrain volume measurementquantitative MRI analysis
spellingShingle Kh Tohidul Islam
Shenjun Zhong
Parisa Zakavi
Helen Kavnoudias
Helen Kavnoudias
Shawna Farquharson
Gail Durbridge
Markus Barth
Markus Barth
Andrew Dwyer
Andrew Dwyer
Katie L. McMahon
Paul M. Parizel
Paul M. Parizel
Richard McIntyre
Richard McIntyre
Gary F. Egan
Meng Law
Meng Law
Zhaolin Chen
Zhaolin Chen
AI improves consistency in regional brain volumes measured in ultra-low-field MRI and 3T MRI
Frontiers in Neuroimaging
accessible MRI
ultra-low-field MRI
deep learning in neuroimaging
brain volume measurement
quantitative MRI analysis
title AI improves consistency in regional brain volumes measured in ultra-low-field MRI and 3T MRI
title_full AI improves consistency in regional brain volumes measured in ultra-low-field MRI and 3T MRI
title_fullStr AI improves consistency in regional brain volumes measured in ultra-low-field MRI and 3T MRI
title_full_unstemmed AI improves consistency in regional brain volumes measured in ultra-low-field MRI and 3T MRI
title_short AI improves consistency in regional brain volumes measured in ultra-low-field MRI and 3T MRI
title_sort ai improves consistency in regional brain volumes measured in ultra low field mri and 3t mri
topic accessible MRI
ultra-low-field MRI
deep learning in neuroimaging
brain volume measurement
quantitative MRI analysis
url https://www.frontiersin.org/articles/10.3389/fnimg.2025.1588487/full
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