Estimation of k‐space trajectories in spiral MRI

H Tan, CH Meyer - … Resonance in Medicine: An Official Journal …, 2009 - Wiley Online Library
For non‐Cartesian data acquisition in MRI, k‐space trajectory infidelity due to eddy current
effects and other hardware imperfections will blur and distort the reconstructed images. Even …

Cine spiral imaging

JR Liao, FG Sommer, RJ Herfkens… - Magnetic resonance in …, 1995 - Wiley Online Library
Interleaved spiral scanning of k‐space is an efficient and fast method for imaging dynamic
processes. In this article, a cine version of interleaved spiral imaging is presented. The …

Parallel MRI with extended and averaged GRAPPA kernels (PEAK‐GRAPPA): optimized spatiotemporal dynamic imaging

B Jung, P Ullmann, M Honal, S Bauer… - Journal of Magnetic …, 2008 - Wiley Online Library
Purpose To evaluate an optimized k‐t‐space related reconstruction method for dynamic
magnetic resonance imaging (MRI), a method called PEAK‐GRAPPA (Parallel MRI with …

On the undersampling strategies to accelerate time‐resolved 3D imaging using k‐t‐GRAPPA

B Jung, AF Stalder, S Bauer… - Magnetic resonance in …, 2011 - Wiley Online Library
The purpose of this study was to explore how to optimally undersample and reconstruct time‐
resolved 3D data using ak‐t‐space‐based GRAPPA technique. The performance of different …

Self‐calibrating GRAPPA operator gridding for radial and spiral trajectories

N Seiberlich, F Breuer, M Blaimer… - … in Medicine: An …, 2008 - Wiley Online Library
Self‐calibrating GRAPPA operator gridding (GROG) is a method by which non‐Cartesian
MRI data can be gridded using spatial information from a multichannel coil array without the …

Tailored utilization of acquired k-space points for GRAPPA reconstruction

P Qu, GX Shen, C Wang, B Wu, J Yuan - Journal of Magnetic Resonance, 2005 - Elsevier
The generalized auto-calibrating partially parallel acquisition (GRAPPA) is an auto-
calibrating parallel imaging technique which incorporates multiple blocks of data to derive …

Parallel reconstruction using null operations

J Zhang, C Liu, ME Moseley - Magnetic resonance in medicine, 2011 - Wiley Online Library
A novel iterative k‐space data‐driven technique, namely parallel reconstruction using null
operations (PRUNO), is presented for parallel imaging reconstruction. In PRUNO, both data …

Reversed spiral MR imaging

P Börnert, B Aldefeld, H Eggers - Magnetic Resonance in …, 2000 - Wiley Online Library
Reversed spiral imaging is discussed as an approach that provides strong intrinsic T* 2
contrast without the need for long repetition times. In comparison to the conventional forward …

A tour of accelerated parallel MR imaging from a linear systems perspective

WS Hoge, DH Brooks, B Madore… - Concepts in Magnetic …, 2005 - Wiley Online Library
Parallel MR imaging has become a well‐accepted method to improve image acquisition
efficiency. Improved efficiency enables one to increase resolution, decrease image …

Artifact reduction in moving‐table acquisitions using parallel imaging and multiple averages

HP Fautz, M Honal, U Saueressig… - … in Medicine: An …, 2007 - Wiley Online Library
Abstract Two‐dimensional (2D) axial continuously‐moving‐table imaging has to deal with
artifacts due to gradient nonlinearity and breathing motion, and has to provide the highest …