Accelerating Bi-exponential T1rho mapping using SCOPE
Refereed conference paper presented and published in conference proceedings

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AbstractMono-exponential T1ρ mapping requires 4 or 5 T1ρ-weighted images with different spin lock times (TSLs) to obtain the T1ρ maps, while bi-exponential T1ρ mapping requires a larger number of TSLs, which further prolongs the acquisition time. In this work, we develop a variable acceleration rate undersampling strategy to reduce the total scan time. A signal compensation strategy with low-rank plus sparse model was used to reconstruct the T1ρ-weighted images. We provide the reconstructed images and the estimated T1ρ maps at an acceleration factor up to 6.1 in fast bi-exponential T1ρ mapping.
All Author(s) ListY Liu, Y Zhu, J Cheng, W Chen, X Liu, D Liang
Name of ConferenceISMRM 27th Annual Meeting
Start Date of Conference11/05/2019
End Date of Conference16/05/2019
Place of ConferenceMontreal
Country/Region of ConferenceCanada
LanguagesEnglish-United States

Last updated on 2019-12-12 at 16:20