Method and device to process complex image data

[0045]Exemplary embodiments allow an MR parameter or multiple MR parameters to be determined directly from a number of image data that are acquired with multiple acquisition units and at a plurality of echo times. For example, a resonance frequency shift ωΔB0 (thus a change of the precession frequency of the protons, for example due to the chemical shift or an inhomogeneity of the B0 field), an adipose tissue or aqueous proportion or a T2* time can be determined in this manner. According to exemplary embodiments, the at least one MR parameter is determined directly from the image data acquired with different acquisition units at different echo times.

[0046]While reference is made in part to specific MR imaging sequences for explanation in the following Specification to, other sequences than those cited can also be used. MR data are thereby acquired at different echo times. For example, multi-echo imaging sequences or other spin or gradient echo sequences can be used with which image dat