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Abstract #0932

Dictionary-free MR Fingerprinting with low-pass balanced-GRE sequences.

Alessandro Sbrizzi1, Tom Bruijnen1, Peter R. Luijten1, and Cornelis A.T. van den Berg1

1UMC Utrecht, Utrecht, Netherlands

We reconsider balanced gradient-echo (GRE) sequence for MR fingerprinting and design an excitation scheme which is very robust to off-resonance. The corresponding data can be accurately reconstructed by standard least-squares fitting methods, a novelty for MRF. Construction of the pre-computed dictionary and exhaustive search are thus no longer needed.

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