Compressed sensing acceleration of biexponential 3D-T1ρ relaxation mapping of knee cartilage.

Marcelo Victor Wüst ZibettiAzadeh SharafiRicardo OtazoRavinder R Regatte

Published in: Magnetic resonance in medicine (2018)

Accelerating biexponential 3D-T1ρ mapping of knee cartilage with CS is feasible. The best results were obtained by STFD, EXP, and L + S SFD regularizers combined with spatial prefiltering. These 3 CS methods performed satisfactorily on synthetic phantom as well as in vivo knee cartilage for AFs up to 10, with median error below 15%.

Keyphrases

total knee arthroplasty
knee osteoarthritis
extracellular matrix
high resolution
anterior cruciate ligament
anterior cruciate ligament reconstruction
diffusion weighted imaging
high density
computed tomography
magnetic resonance
magnetic resonance imaging
mass spectrometry
dual energy