The Medical College of Wisconsin, Inc.

Juan Liu

Kevin Matthew Koch

Andrew S Nencka

Systems and methods for quantitative susceptibility mapping ('QSM') using magnetic resonance imaging ('MRI') are described. Localized magnetic field information is used when performing the inversion to compute quantitative susceptibility maps. The localized magnetic field information can include multi-resolution subvolumes obtained by segmenting, or dividing, a field shift map. In some instances, a trained machine learning algorithm, such as a trained neural network, can be implemented to convert the localized magnetic field information into quantitative susceptibility data. These local susceptibility maps can be combined to form a composite quantitative susceptibility map of the imaging volume.

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Milwaukee, WI, United States of America

Juan Liu