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Bias and SNR of T(1) estimates derived from joint fitting of actual flip-angle and FLASH imaging data with variable flip angles

Previous work has suggested fitting joint AFI/FLASH data for T1 and B1+ by minimizing the 2-norm of the difference between the signal model and measurements will produce unbiased estimates of T1. We demonstrate that, contrary to previous results, the estimator has a substantial bias that varies with...

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Bibliografiske detaljer
Udgivet i:Proc Int Soc Magn Reson Med Sci Meet Exhib Int Soc Magn Reson Med Sci Meet Exhib
Hovedforfatter: Tisdall, M. Dylan
Format: Artigo
Sprog:Inglês
Udgivet: 2017
Fag:
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC5891138/
https://ncbi.nlm.nih.gov/pubmed/29643746
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