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Abstract #3578

Myelin, Iron, and Free Water Content Quantification Through BIOPHYSICSS Deep Learning

Ilyes Benslimane1, Günther Grabner2, Simon Hametner3, Thomas Jochmann1,4, Robert Zivadinov1,5, and Ferdinand Schweser1
1Department of Neurology, Buffalo Neuroimaging Analysis Center, Buffalo, NY, United States, 2Department of Medical Engineering, Carinthia University of Applied Sciences, Klagenfurt, Austria, 3Department of Neuropathology and Neurochemistry, Medical University of Vienna, Vienna, Austria, 4Department of Computer Science and Automation, Technische Universität Ilmenau, Ilmenau, Germany, 5Department of Computer Science and Automation, Center for Biomedical Imaging, Clinical and Translational Science Institute at the University at Buffalo, Buffalo, NY, United States

Synopsis

Keywords: Quantitative Imaging, Machine Learning/Artificial IntelligenceClinical translation of quantitative MRI (qMRI) is challenged by the multiple dependencies MR signal has on different tissue compartments. We previously introduced a neural network designed for single subject analysis (BIOPHYSICSS-DL) that overcomes the multiple tissue dependencies of qMRI and produces maps of source content. BIOPHYSICSS-DL has previously focused to myelin and iron quantification in the brain but in this work we expand that model to include a free water compartment. The network also used exclusively quantitative MRI metrics but the expansion of this model was accomplished with weighted MRI data which is another critical step to eventual clinical adoption.

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