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Model training for fat-water mapping from 3D Dixon-MRI

Authors: Periquito, Joao; Sourbron, Steven;

Model training for fat-water mapping from 3D Dixon-MRI

Abstract

Description Fulll pipeline for training a deep-learning model to separate fat and water from Dixon-MRI magnitude images. Output The trained model weights can be found on: https://zenodo.org/records/17791059 Details See the README on GitHub Summary Computation of fat and water images from a 2-point MRI Dixon acquisition is usually done in-line by the scanner software, and requires access to the phase and magnitude data. In some cases one may want to compute fat and water images retrospectively - for instance when they were not originally exported, or in order to reconstruct them with different models (e.g. with correction for T2* decay, B0-effects, etc). This causes a practical problem when, as is common, phase images are not stored and only magnitude images of in-phase and opposed-phase scans are available. The crucial bit of information that is missing with magnitude-only data is the sign of the opposed phase image - does the pixel contain mostly water or mostly fat? This pipeline trains a deep learning model to recover this binary information from magnitude images of in-phase and opposed-phase data.

Keywords

Dixon, deep-learning, MRI

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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Average