Optimization of spin-lock times in T1ρ mapping of knee cartilage: Cramér-Rao bounds versus matched sampling-fitting.

Marcelo Victor Wüst Zibetti Azadeh Sharafi Ravinder R Regatte

Published in: Magnetic resonance in medicine (2021)

A modified CRLB and the MSF based on MNAE are robust optimization approaches for choosing TSLs in T1ρ mapping. All optimized criteria allowed good results even using rapid scans with two TSLs when a complex-valued fitting is done with iterative NLS or ANN.

Keyphrases

high resolution
high density
total knee arthroplasty
computed tomography
knee osteoarthritis
dual energy
single molecule
image quality
density functional theory
magnetic resonance imaging
extracellular matrix
mass spectrometry
molecular dynamics