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

香港中文大學研究人員

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摘要Mono-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.
著者Y Liu, Y Zhu, J Cheng, W Chen, X Liu, D Liang
會議名稱ISMRM 27th Annual Meeting
會議開始日11.05.2019
會議完結日16.05.2019
會議地點Montreal
會議國家/地區加拿大
出版年份2019
語言美式英語

上次更新時間 2019-12-12 於 16:20