Non-parametric Bayesian estimation of apparent diffusion coefficient from diffusion-weighted magnetic resonance imaging data

2012 ◽  
Author(s):  
A. Cameron ◽  
J. Glaister ◽  
A. Wong ◽  
M. A. Haider
Keyword(s):  
Magnetic Resonance Imaging ◽  
Diffusion Coefficient ◽  
Magnetic Resonance ◽  
Apparent Diffusion Coefficient ◽  
Bayesian Estimation ◽  
Imaging Data ◽  
Resonance Imaging ◽  
Magnetic Resonance Imaging Data ◽  
Apparent Diffusion ◽  
Weighted Magnetic Resonance Imaging

scholarly journals Measuring Restriction Sizes Using Diffusion Weighted Magnetic Resonance Imaging: A Review

2013 ◽  
Vol 6 ◽  
pp. MRI.S11149 ◽  
Author(s):  
Melanie Martin
Keyword(s):  
Magnetic Resonance Imaging ◽  
Diffusion Coefficient ◽  
Magnetic Resonance ◽  
Apparent Diffusion Coefficient ◽  
Spin Echo ◽  
Resonance Imaging ◽  
Free Diffusion ◽  
Diffusion Weighted ◽  
Apparent Diffusion ◽  
Weighted Magnetic Resonance Imaging

This article reviews a new concept in magnetic resonance as applied to cellular and biological systems. Diffusion weighted magnetic resonance imaging can be used to infer information about restriction sizes of samples being measured. The measurements rely on the apparent diffusion coefficient changing with diffusion times as measurements move from restricted to free diffusion regimes. Pulsed gradient spin echo (PGSE) measurements are limited in the ability to shorten diffusion times and thus are limited in restriction sizes which can be probed. Oscillating gradient spin echo (OGSE) measurements could provide shorter diffusion times so smaller restriction sizes could be probed.

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