ArticleMagnetic resonance in medicine2026
A Flexible Approach for Fat-Water Separation With Bipolar Readouts and Correction of Gradient-Induced Phase and Amplitude Effects.
Article in Magnetic resonance in medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Comparison of bi- and tri-component approaches for the analysis of short-TMagma (New York, N.Y.) · 2026Article
- A Flexible Approach for Fat-Water Separation With Bipolar Readouts and Correction of Gradient-Induced Phase and Amplitude Effects.Magnetic resonance in medicine · 2026Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
purposeTo develop a fat-water separation approach that corrects bipolar readout gradient-induced effects without additional scans and is compatible with any fat-water separation method. THEORY AND
methodsThe proposed approach combines joint fat-water separation of the odd and even echoes of a bipolar multi-echo gradient echo acquisition with an inverse problem to find least-squares estimates for phase and amplitude corrections to eliminate bipolar-induced effects. Optimization of sequence parameters through the calculation of the equivalent number of signal averages (NSA) with Cramér-Rao Bound theory (CRB) is presented. The proposed approach is demonstrated with a graph-cut fat-water separation. Characterization of the accuracy was performed via Monte Carlo Simulations (MC). The approach was tested in phantoms and in vivo. Proton density fat fraction (PDFF) and effective transverse relaxation rate (
resultsNSA calculations suggest short TE
conclusionWe proposed an approach to correct bipolar readout-induced effects that are detrimental for fat-water separation. This approach can extend the use of existing fat-water separation techniques designed for data acquired using unipolar readout gradients to data collected with bipolar readout gradients.
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