ArticleMagnetic resonance in medicine2025
Fast MR signal simulations of microvascular and diffusion contributions using histogram-based approximation and recurrent neural networks.
Article in Magnetic resonance in medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Placental Blood-Flow Velocity Quantification From Diffusion MRI.Magnetic resonance in medicine · 2026Article
- Fast MR signal simulations of microvascular and diffusion contributions using histogram-based approximation and recurrent neural networks.Magnetic resonance in medicine · 2025Article
- Evaluating BOLD functional MRI biophysical simulation approaches: Impact of vascular geometry, magnetic field calculations, and water diffusion models.Imaging neuroscience (Cambridge, Mass.)Article
Corrections and comments
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Authors and funding
10 authors.
Funding
Abstract
purposeAccurate MR signal simulation, including microvascular structures and water diffusion, is crucial for MRI techniques like fMRI BOLD modeling and MR vascular Fingerprinting (MRF), which use susceptibility effects on MR signals for tissue characterization. However, integrating microvascular features and diffusion remains computationally challenging, limiting the accuracy of the estimates. Using advanced modeling and deep neural networks, we propose a novel simulation tool that efficiently accounts for susceptibility and diffusion effects.
methodsWe used dimension reduction of magnetic field inhomogeneity matrices combined with deep learning methodology to accelerate the simulations while maintaining their accuracy. We validated our results through an in silico study against a reference method and in vivo MRF experiments.
resultsThis approach accelerates MR signal generation by a factor of almost 13 000 compared to previously used simulation methods while preserving accuracy.
conclusionThe MR-WAVES method allows fast generation of MR signals accounting for microvascular structures and water-diffusion contribution.
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Registered trials
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