Fractional order vs. exponential fitting in UTE MR imaging of the patellar tendon.

D Papp,S J Breda, E H G Oei,D H J Poot, G Kotek, J A Hernandez-Tamames

Magnetic Resonance Imaging（2020）

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摘要

In high SNR cases, the fractional order and bi-exponential models are both performing well with low bias. However, in all observed cases, one of the bi-exponential components has high standard deviation in T. The bi-exponential model is suitable for T mapping, but we recommend using the fractional order model for cases of low SNR.

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关键词

T2∗ relaxation,Fractional calculus,UTE-MRI,Patellar tendon

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