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

Implementation of wavelet-encoded MR imaging

L P Panych1, P D Jakab, F A Jolesz

  • 1Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115.

Journal of Magnetic Resonance Imaging : JMRI
|July 1, 1993
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 author

Automatic Segmentation of Breast Carcinomas from DCE-MRI using a Statistical Learning Algorithm.

Proceedings. IEEE International Symposium on Biomedical Imaging·2017
Same author

Testing the Efficacy of Contrast-Enhanced Ultrasound in Detecting Transplant Rejection Using a Murine Model of Heart Transplantation.

American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons·2016
Same author

Design and development of a mobile image overlay system for needle interventions.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2015
Same author

Computer-assisted intra-operative magnetic resonance imaging monitoring of interstitial laser therapy in the brain: a case report.

Journal of biomedical optics·2012
Same author

Investigation of long-term reproducibility of intrinsic connectivity network mapping: a resting-state fMRI study.

AJNR. American journal of neuroradiology·2012
Same author

Image-guided therapy and intraoperative MRI in neurosurgery.

Minimally invasive therapy & allied technologies : MITAT : official journal of the Society for Minimally Invasive Therapy·2010
Same journal

A Quantitative Modification of VI-RADS for Bladder Cancer at the Ureteral Orifice: A Reader Study on MRI With Varying Experience Levels.

Journal of magnetic resonance imaging : JMRI·2026
Same journal

Editorial for "Integrating nnU-Net Segmentation and Clinical-Radiomics for Multicenter Prediction of Soft Tissue Sarcoma Grade and Ki-67 Expression".

Journal of magnetic resonance imaging : JMRI·2026
Same journal

Structural MRI Volumetry Index for Differentiation of Progressive Supranuclear Palsy From Parkinson's Disease and Multiple System Atrophy by Automatic Segmentation: A Comparison With Magnetic Resonance Parkinsonism Index.

Journal of magnetic resonance imaging : JMRI·2026
Same journal

Integrating nnU-Net Segmentation and Clinical-Radiomics for Multicenter MRI-Based Assessment of Soft Tissue Sarcoma Grade and Ki-67 Expression.

Journal of magnetic resonance imaging : JMRI·2026
Same journal

Optimization of Respiratory Training Methods for Cardiac Magnetic Resonance Imaging.

Journal of magnetic resonance imaging : JMRI·2026
Same journal

Editorial for "Voxel-Wise Radiomics Habitat Analysis of Post-Treatment Gliomas for Noninvasive Differentiation of True Progression and Pseudoprogression".

Journal of magnetic resonance imaging : JMRI·2026
See all related articles

Magnetic resonance imaging (MRI) using wavelet encoding is feasible. This novel technique generates images comparable in quality to traditional phase-encoding methods, offering potential advantages for medical imaging.

Area of Science:

  • Medical Imaging
  • Signal Processing
  • Applied Mathematics

Background:

  • Traditional magnetic resonance imaging (MRI) relies on phase encoding for image reconstruction.
  • Wavelet encoding, a novel technique, was previously proposed by Weaver and Healy.
  • This method utilizes selective excitation with wavelet-shaped radio-frequency pulses.

Purpose of the Study:

  • To demonstrate the feasibility of MR wavelet encoding in one dimension.
  • To reconstruct images from wavelet-encoded data.
  • To compare the quality of wavelet-encoded images with phase-encoded images.

Main Methods:

  • Utilized selective excitation with special radio-frequency waveforms to generate wavelet-shaped profiles.
  • Acquired data as inner products of the image with orthogonal wavelet basis functions.

Related Experiment Videos

  • Employed an efficient inversion algorithm for wavelet data processing, comparable to Fast Fourier Transform (FFT).

    • Main Results:

    • Successfully reconstructed images from wavelet-encoded MRI data.
    • Demonstrated the feasibility of wavelet encoding via selective excitation of wavelet-shaped profiles.
    • Found no discernible degradation in image quality when comparing wavelet-encoded images to phase-encoded images with similar signal-to-noise ratios.

    Conclusions:

    • MR wavelet encoding is a viable imaging technique.
    • Wavelet encoding offers comparable image quality to conventional phase encoding.
    • This method presents potential benefits for future MRI applications.