In vivo measurement of gas flow in human airways with hyperpolarized gas MRI and compressed sensing

GJ Collier, JM Wild - Magnetic Resonance in Medicine, 2015 - Wiley Online Library
… Similar to 3 He, HP 129 Xe can also be used as a tracer gas for lung MRI 12 and PCV-MRI
vivo gas flow regimes using HP 3 He and 129 Xe with PCV-MRI. A major concern in PCV-MRI

Whole lung morphometry with 3D multiple b‐value hyperpolarized gas MRI and compressed sensing

HF Chan, NJ Stewart, J Parra‐Robles… - Magnetic resonance …, 2017 - Wiley Online Library
Compressed sensing has been implemented successfully for the acquisition of 3D multiple
b-value DW-MRI lung images with HP 3 He in a single breath-hold for quantitative whole …

Compressed sensing in hyperpolarized 3He Lung MRI

S Ajraoui, KJ Lee, MH Deppe… - … in Medicine: An …, 2010 - Wiley Online Library
… In this work, the application of compressed sensing … 3 He images with a compressed
sensing k-space pattern was then … Hyperpolarized (HP) helium-3 gas MRI takes advantage of …

Reducing acquisition time in clinical MRI by data undersampling and compressed sensing reconstruction

KG Hollingsworth - Physics in Medicine & Biology, 2015 - iopscience.iop.org
… of using compressed sensing in MRI. The practical considerations of applying CS to MRI
and exploiting the power of combined compressed sensing and parallel imaging (CS-PI). A …

Lung morphometry using hyperpolarized 129Xe multi‐b diffusion MRI with compressed sensing in healthy subjects and patients with COPD

H Zhang, J Xie, S Xiao, X Zhao, M Zhang, L Shi… - Medical …, 2018 - Wiley Online Library
… HP gas MRI can provide quantitative and regional information about pulmonary ventilation
(… et al.,18-20 HP gas multi-b diffusion MRI can quantitatively probe microstructural lung …

Fast and accurate reconstruction of human lung gas MRI with deep learning

C Duan, H Deng, S Xiao, J Xie, H Li… - Magnetic …, 2019 - Wiley Online Library
… Compared with conventional compressed sensing MRI, the mean absolute error decreased
by 17.92%, but the structural similarity increased by 6.33%. For ventilation defect percentage…

Incorporation of prior knowledge in compressed sensing for faster acquisition of hyperpolarized gas images

S Ajraoui, J Parra‐Robles… - Magnetic Resonance in …, 2013 - Wiley Online Library
compressed sensing method (9), by imposing sparsity constraints on the CS processing. As
an example, in interventional MRI … reduction factors in HP gas lung MRI with fixed flip angles. …

Highly accelerated dynamic acquisition of 3D grid‐tagged hyperpolarized‐gas lung images using compressed sensing

WJ Garrison, K Qing, S Tafti, JP Mugler… - Magnetic resonance …, 2023 - Wiley Online Library
… We developed a compressed sensing–based method for multiframe 3D MRI of grid-tagged
hyperpolarized gas in the lung during exhalation. This method successfully overcomes …

Compressed sensing of remotely detected MRI velocimetry in microfluidics

J Paulsen, VS Bajaj, A Pines - Journal of Magnetic Resonance, 2010 - Elsevier
NMR and MRI can yield detailed chemical and dynamic … compressed sensing, a reconstruction
technique used in MRI, to … We find that compressed sensing allows for significantly higher …

Acquisition of 3He ventilation images, ADC, T2* and B1 maps in a single scan with compressed sensing

S Ajraoui, J Parra‐Robles, H Marshall… - NMR in …, 2012 - Wiley Online Library
… of supplying more information from each inhaled gas dose, which is a factor to be … gas MRI
20, 21. In this work a multiple interleaved sequence in conjunction with compressed sensing (…