Self‐calibration method for radial GRAPPA/k‐t GRAPPA

F Huang, S Vijayakumar, Y Li, S Hertel… - … in Medicine: An …, 2007 - Wiley Online Library
Generalized autocalibrating partially parallel acquisitions (GRAPPA), an important parallel
imaging technique, can be easily applied to radial k‐space data by segmenting the k‐space …

Generalized autocalibrating partially parallel acquisitions (GRAPPA)

MA Griswold, PM Jakob, RM Heidemann… - … in Medicine: An …, 2002 - Wiley Online Library
In this study, a novel partially parallel acquisition (PPA) method is presented which can be
used to accelerate image acquisition using an RF coil array for spatial encoding. This …

GRAPPA operator for wider radial bands (GROWL) with optimally regularized self‐calibration

W Lin, F Huang, Y Li… - Magnetic Resonance in …, 2010 - Wiley Online Library
A self‐calibrated parallel imaging reconstruction method is proposed for azimuthally
undersampled radial dataset. A generalized auto‐calibrating partially parallel acquisition …

A radial self‐calibrated (RASCAL) generalized autocalibrating partially parallel acquisition (GRAPPA) method using weight interpolation

NCF Codella, P Spincemaille, M Prince… - NMR in …, 2011 - Wiley Online Library
A generalized autocalibrating partially parallel acquisition (GRAPPA) method for radial k‐
space sampling is presented that calculates GRAPPA weights without synthesized or …

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 …

Iterative GRAPPA (iGRAPPA) for improved parallel imaging reconstruction

T Zhao, X Hu - Magnetic Resonance in Medicine: An Official …, 2008 - Wiley Online Library
In this work an iterative reconstruction method based on generalized autocalibrating partially
parallel acquisitions (GRAPPA) reconstruction is introduced. In the new method the …

Improving GRAPPA using cross‐sampled autocalibration data

H Wang, D Liang, KF King… - Magnetic …, 2012 - Wiley Online Library
In conventional generalized autocalibrating partially parallel acquisitions, the autocalibration
signal (ACS) lines are acquired with a frequency‐encoding direction in parallel to other …

Self‐calibrated GRAPPA method for 2D and 3D radial data

A Arunachalam, A Samsonov… - Magnetic Resonance in …, 2007 - Wiley Online Library
A fast parallel MRI (pMRI) reconstruction method is presented for 2D and 3D radial
trajectories. A limitation of the radial generalized autocalibrating partially parallel …

Reconstruction of undersampled non‐Cartesian data sets using pseudo‐Cartesian GRAPPA in conjunction with GROG

N Seiberlich, F Breuer, R Heidemann… - … in Medicine: An …, 2008 - Wiley Online Library
Most k‐space‐based parallel imaging reconstruction techniques, such as Generalized
Autocalibrating Partially Parallel Acquisitions (GRAPPA), necessitate the acquisition of …

Artifact and noise suppression in GRAPPA imaging using improved k‐space coil calibration and variable density sampling

J Park, Q Zhang, V Jellus… - Magnetic Resonance in …, 2005 - Wiley Online Library
A parallel imaging technique, GRAPPA (GeneRalized Auto‐calibrating Partially Parallel
Acquisitions), has been used to improve temporal or spatial resolution. Coil calibration in …