Highly Undersampled Magnetic Resonance Image Reconstruction via Homotopic -Minimization

J Trzasko, A Manduca - IEEE Transactions on Medical imaging, 2008 - ieeexplore.ieee.org
In clinical magnetic resonance imaging (MRI), any reduction in scan time offers a number of
potential benefits ranging from high-temporal-rate observation of physiological processes to …

Readout-segmented EPI for rapid high resolution diffusion imaging at 3T

SJ Holdsworth, S Skare, RD Newbould… - European journal of …, 2008 - Elsevier
Readout mosaic segmentation has been suggested as an alternative approach to EPI for
high resolution diffusion-weighted imaging (DWI). In the readout-segmented EPI (RS-EPI) …

Simultaneous acquisition of MR angiography and venography (MRAV)

YP Du, Z Jin - Magnetic Resonance in Medicine: An Official …, 2008 - Wiley Online Library
A dual‐echo pulse sequence for simultaneous acquisition of MR angiography and
venography (MRAV) is developed. Data acquisition of the second echo for susceptibility …

Improved image reconstruction for partial fourier gradient‐echo echo‐planar imaging (EPI)

N Chen, K Oshio, LP Panych - Magnetic Resonance in …, 2008 - Wiley Online Library
The partial Fourier gradient‐echo echo planar imaging (EPI) technique makes it possible to
acquire high‐resolution functional MRI (fMRI) data at an optimal echo time. This technique is …

Resolution enhancement in magnetic resonance imaging by frequency extrapolation

G Mayer - 2008 - uwspace.uwaterloo.ca
This thesis focuses on spatial resolution enhancement of magnetic resonance imaging
(MRI). In particular, it addresses methods of performing such enhancement in the Fourier …

Phase correction-based singularity function analysis for partial k-space reconstruction

J Luo, Y Zhu, I Magnin - Magnetic resonance imaging, 2008 - Elsevier
Partial k-space acquisition is a conventional method in magnetic resonance imaging (MRI)
for reducing imaging time while maintaining image quality. In this field, image reconstruction …

Rapid passive MR catheter visualization for endovascular therapy using nonsymmetric truncated k-space sampling strategies

H Peng, JN Draper, R Frayne - Magnetic resonance imaging, 2008 - Elsevier
Passive catheter tracking guidance by MRI is a promising approach for endovascular
therapy that may have several clinical advantages over the more frequently employed active …

A fixed point method for homotopic -minimization with application to MR image recovery

JD Trzasko, A Manduca - Medical Imaging 2008: Physics of …, 2008 - spiedigitallibrary.org
A novel method for highly-undersampled Magnetic Resonance Image (MRI) reconstruction
is presented. One of the principal challenges faced in clinical MR imaging is the …

[图书][B] On optimality and efficiency of parallel magnetic resonance imaging reconstruction: challenges and solutions

R Nana - 2008 - search.proquest.com
Imaging speed is an important issue in magnetic resonance imaging (MRI), as subject
motion during image acquisition is liable to produce artifacts in the image. Many of the new …

Magnetic resonance image reconstruction from partial k-space using analogical basis deconstruction theory

F LIU, P MIAO - Advances In Biomedical Photonics And Imaging, 2008 - World Scientific
We present a new Analogical Basis Deconstruction (ABD) theory for discrete signal
processing in this paper. We also present the Asymptotic Iterative Estimate (AIE) algorithm …