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Abstract #0676

Learning Contrast Synthesis from MR Fingerprinting

Patrick Virtue1,2, Jonathan I Tamir1, Mariya Doneva3, Stella X Yu1,2, and Michael Lustig1

1Electrical Engineering and Computer Sciences, University of California, Berkeley, Berkeley, CA, United States, 2International Computer Science Institute, Berkeley, CA, United States, 3Philips Research Europe, Hamburg, Germany

MR fingerprinting provides quantitative parameter maps from a single acquisition, but it also has the potential to reduce exam times by replacing traditional protocol sequences with synthetic contrast-weighted images. We present an empirical "artifact noise" model that makes it possible to train neural networks that successfully transform noisy and aliased MRF signals into parameter maps, which are then used to synthesize contrast-weighted images. We also demonstrate that a trained neural network can directly synthesize contrast-weighted images, bypassing incomplete simulation models and their associated artifacts.

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