Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Fast method for 1D non-cartesian parallel imaging using GRAPPA.

Robin M Heidemann1, Mark A Griswold, Nicole Seiberlich

  • 1Universität Würzburg, Physikalisches Institut, Würzburg, Germany. robin.heidemann@siemens.com

Magnetic Resonance in Medicine
|May 31, 2007
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same authorSame journal

A Comparison of Tissue Property Values Estimated Using Conventional Cardiac MRF and MT-Cardiac MRF.

Magnetic resonance in medicine·2026
Same author

A Pilot Comparative Study of Multi-Contrast Dental MRI and CBCT: Clinical Correlates of Disease Status and Inflammatory Burden in Periodontitis.

Journal of clinical periodontology·2026
Same author

OpenMRF: A Modular, Vendor-Neutral Open-Source Framework for Reproducible Magnetic Resonance Fingerprinting using Pulseq.

ArXiv·2026
Same author

Magnetic resonance fingerprinting of the bladder is feasible in men with lower urinary tract symptoms.

Abdominal radiology (New York)·2026
Same author

The Future of Cardiac Magnetic Resonance: Navigating Ultra-High and Low-Field Imaging (Part 1).

Magnetic resonance imaging clinics of North America·2026
Same author

The Future of Cardiac Magnetic Resonance: Navigating Ultra-High and Low-Field Imaging (Part 2).

Magnetic resonance imaging clinics of North America·2026
Same journal

Feasibility and SNR Performance of Hyperpolarized <sup>129</sup>Xe Gas Exchange Imaging Using a Balanced SSFP Sequence.

Magnetic resonance in medicine·2026
Same journal

Multi-Contrast Human Brain CEST MRI at 11.7 T: First In Vivo Demonstration.

Magnetic resonance in medicine·2026
Same journal

Suppression of Oscillation and Ghosting in RF-Spoiled Gradient-Echo-Based Dynamic Imaging.

Magnetic resonance in medicine·2026
Same journal

A Simple, Dynamic Geometric Phantom for MRI and CT Reconstruction Pipelines: Beyond Shepp-Logan.

Magnetic resonance in medicine·2026
Same journal

7T 3D-EPI PCASL With High SNR Efficiency and Robustness to Through-Plane B<sub>0</sub> Field Gradients.

Magnetic resonance in medicine·2026
See all related articles

Non-Cartesian MRI with radial sampling offers robustness and reduced artifacts. This study simplifies reconstruction for parallel MRI (pMRI), enabling faster imaging.

Area of Science:

  • Magnetic Resonance Imaging (MRI)
  • Medical Imaging
  • Biophysics

Background:

  • Non-Cartesian MRI sampling, particularly radial acquisitions, provides robustness against undersampling and artifacts.
  • 1D non-Cartesian MRI oversamples k-space center, reducing severe foldover artifacts.
  • These properties make non-Cartesian trajectories suitable for parallel MRI (pMRI) techniques like GRAPPA.

Purpose of the Study:

  • To investigate the combination of non-Cartesian MRI trajectories with autocalibrated parallel MRI (pMRI).
  • To address the challenge of long reconstruction times in non-Cartesian pMRI.
  • To simplify complex k-space calculations for faster pMRI reconstructions.

Main Methods:

  • Exploiting specific properties of k-space in pMRI reconstructions.

Related Experiment Videos

  • Developing computationally efficient methods for non-Cartesian pMRI.
  • Utilizing oversampling of the k-space center and non-equidistant sampling for artifact reduction.

    • Main Results:

    • Demonstrated significant reduction in computational complexity for non-Cartesian pMRI.
    • Showcased the potential for faster reconstruction times.
    • Validated the benefits of combining radial MRI with pMRI techniques.

    Conclusions:

    • Non-Cartesian MRI trajectories, when combined with pMRI, offer significant advantages.
    • Simplified calculations can overcome the limitations of long reconstruction times.
    • This approach paves the way for routine clinical use of advanced pMRI techniques.