DIFFERENTIAL APPROACH TO QUANTITATIVE SUSCEPTIBILITY MAPPING WITHOUT BACKGROUND FIELD REMOVAL

摘要

An example method for mapping tissue magnetic susceptibility includes acquiring magnetic resonance (MR) data, where the MR data correspond to a subject, determining a magnetic field based on the MR data, determining a relationship between the magnetic field at a given location to the magnetic susceptibility at that location, and performing a convolution operation on the relationship between the magnetic field at the given location to the magnetic susceptibility at that location to obtain a noise property. The method also includes estimating a magnetic susceptibility distribution of the subject based, at least in part, on the noise property, and generating one or more images of the subject based on the estimated susceptibility distribution of the subject.