Method for t1 mapping with incomplete tissue magnetization recovery
AssigneeUniversity Health Network
InventorsMarshall Stephen SUSSMAN, Bernd Juergen WINTERSPERGER, Kai-Ho FOK, Issac Yiqun YANG
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Abstract
Methods and systems for performing T1 mapping. T1 samples are obtained from an acquisition including one or more inversion groupings. The acquisition may be designed to result in incomplete tissue magnetization recovery between inversion groupings. The acquisition may be designed for the use of non-uniform, non-180° preparatory pulses. The method may also include the combined use of data from different inversion groupings. A model is used in which fit parameters are variable dependent on the inversion grouping.
Claims22
A method for determining T1 value, comprising:
- obtaining T1 samples from an acquisition that includes one or more inversion groupings;
- applying a model in which fit parameters are variable dependent on each inversion grouping;
- and
- determining a true T1 value using the fit parameters calculated using the model.
A system for determining T1 value, comprising a processing device for executing computer-executable instructions that, when executed, cause the system to:
- obtain T1 samples from an acquisition that includes one or more inversion groupings;
- apply a model in which fit parameters are variable dependent on each inversion grouping;
- and
- determine a true T1 value using the fit parameters calculated using the model.
(canceled)
21-30. (canceled)
A non-transitory computer readable medium having instructions tangibly encoded thereon, wherein the instructions, when executed by a processing device, causes the processing device to:
- obtain T1 samples from an acquisition that includes one or more inversion groupings;
- apply a model in which fit parameters are variable dependent on each inversion grouping;
- and
- determine a true T1 value using the fit parameters calculated using the model.
Dependencies are inferred from the claim text.