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

Frequency-domain simulation of MR tagging

W R Crum1, E Berry, J P Ridgway

  • 1Centre of Medical Imaging Research, University of Leeds, UK.

Journal of Magnetic Resonance Imaging : JMRI
|October 24, 1998
PubMed
Summary

This study introduces an improved simulation model for magnetic resonance (MR) tagged images, enhancing the tracking of myocardial motion. The new model accurately simulates tagged images by addressing limitations in existing methods.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

A national survey of radiographer and assistant practitioner's experiences of incidents, investigation processes and safety culture.

Radiography (London, England : 1995)·2026
Same author

A survey to determine the use and evaluation of simulation-based education within UK pre-registration diagnostic radiography education.

Radiography (London, England : 1995)·2025
Same author

"Making it work in the face of extreme adversity" - Exploring perceptions for the future of the imaging and oncology workforce using 'soundbite' interviews.

Radiography (London, England : 1995)·2024
Same author

Dementia education for Diagnostic Radiography students: Impact on confidence, knowledge, and attitudes towards dementia.

Radiography (London, England : 1995)·2024
Same author

Understanding public attitudes to death talk and advance care planning in Northern Ireland using health behaviour change theory: a qualitative study.

BMC public health·2022
Same author

Measurements of the associated production of a Z boson and b jets in pp collisions at <math> </math>.

The European physical journal. C, Particles and fields·2020

Area of Science:

  • Medical Imaging
  • Biophysics
  • Computational Science

Background:

  • Magnetic Resonance (MR) image simulation aids sequence development and understanding image formation.
  • MR tagging is crucial for tracking myocardial motion but faces challenges with spatial-domain methods.
  • Existing frequency-domain models are inadequate for simulating tagged MR images.

Purpose of the Study:

  • To develop an accurate simulation model for MR tagged images.
  • To address limitations of existing models in representing motion artifacts and signal wrap.
  • To improve the simulation of myocardial motion tracking using MR tagging.

Main Methods:

  • An extended frequency-domain model based on Bloch equations and the Fourier shift theorem was developed.

Related Experiment Videos

  • The new model corrects inaccuracies in simulating tagged MR images.
  • Software was created to generate ideal tag intensity profiles and simulate tagged images.

    • Main Results:

    • The extended model accurately simulates tagged MR images, overcoming limitations of previous methods.
    • Shifted k-space patterns in tagged images and their dependence on binomial tagging sequence order were elucidated.
    • A novel application of the Fourier shift theorem enables faster simulation of static tagged images.

    Conclusions:

    • The developed model provides accurate simulation of MR tagged images for myocardial motion analysis.
    • The findings enhance the utility of MR tagging in offline sequence development and research.
    • The study offers a more efficient approach to simulating static tagged MR images.