Chemical shift artifact correction is achieved via spectral Hadamard encoding of the individual resonances using composite RF pulses. During decoding individual images of the resonances are created that can be combined to a final composite image. The method is demonstrated in 19F MRI of perfluorooctyl bromide that can be used to label monocytes for inflammation. Compared to other correction methods Hadamard decoding can be implemented directly in the image reconstruction, and the full SNR advantage of the image combination can be realized.
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