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 Concept Videos

Assessment of Diffusion and Perfusion01:17

Assessment of Diffusion and Perfusion

1.2K
Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this...
1.2K

You might also read

Related Articles

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

Sort by
Same author

Development and Cross-Institutional Validation of a Comprehensive Machine Learning Model Predicting Response to Neoadjuvant Therapy for Rectal Cancer.

Cancer management and research·2025
Same author

Synthesis of magnetic resonance images from computed tomography data using convolutional neural network with contextual loss function.

Quantitative imaging in medicine and surgery·2022
Same author

Exponential subtraction in 3D ultrashort echo time imaging to visualize short T2 tissues in tibia.

Acta radiologica (Stockholm, Sweden : 1987)·2019
Same author

Adrenomedullin 2 Improves Early Obesity-Induced Adipose Insulin Resistance by Inhibiting the Class II MHC in Adipocytes.

Diabetes·2016
Same author

Expression of B7-H4 and hepatitis B virus X in hepatitis B virus-related hepatocellular carcinoma.

World journal of gastroenterology·2016
Same author

OPERA-LG: efficient and exact scaffolding of large, repeat-rich eukaryotic genomes with performance guarantees.

Genome biology·2016

Related Experiment Video

Updated: Oct 18, 2025

Diffusion Tensor Magnetic Resonance Imaging in the Analysis of Neurodegenerative Diseases
09:33

Diffusion Tensor Magnetic Resonance Imaging in the Analysis of Neurodegenerative Diseases

Published on: July 28, 2013

28.7K

Optimal Diffusion Gradient Encoding Scheme for Diffusion Tensor Imaging Based on Golden Ratio.

Liangyou Liu1, Zhaotong Li1, Zeru Zhang1

  • 1Institute of Medical Technology, Peking University, Beijing, China.

Journal of Magnetic Resonance Imaging : JMRI
|September 30, 2021
PubMed
Summary
This summary is machine-generated.

A new golden ratio diffusion gradient encoding scheme (DGES) improves diffusion tensor imaging (DTI) accuracy, even with subject motion. This method offers lower error propagation, aiding scans in infants and immobile patients.

Keywords:
diffusion gradient encoding schemediffusion tensor imaginggolden ratio

More Related Videos

Diffusion Imaging in the Rat Cervical Spinal Cord
10:46

Diffusion Imaging in the Rat Cervical Spinal Cord

Published on: April 7, 2015

11.9K
Co-analysis of Brain Structure and Function using fMRI and Diffusion-weighted Imaging
17:06

Co-analysis of Brain Structure and Function using fMRI and Diffusion-weighted Imaging

Published on: November 8, 2012

26.5K

Related Experiment Videos

Last Updated: Oct 18, 2025

Diffusion Tensor Magnetic Resonance Imaging in the Analysis of Neurodegenerative Diseases
09:33

Diffusion Tensor Magnetic Resonance Imaging in the Analysis of Neurodegenerative Diseases

Published on: July 28, 2013

28.7K
Diffusion Imaging in the Rat Cervical Spinal Cord
10:46

Diffusion Imaging in the Rat Cervical Spinal Cord

Published on: April 7, 2015

11.9K
Co-analysis of Brain Structure and Function using fMRI and Diffusion-weighted Imaging
17:06

Co-analysis of Brain Structure and Function using fMRI and Diffusion-weighted Imaging

Published on: November 8, 2012

26.5K

Area of Science:

  • Medical Imaging
  • Neuroimaging
  • Biophysics

Background:

  • Diffusion Tensor Imaging (DTI) accuracy relies on effective diffusion gradient encoding schemes (DGES).
  • Subject motion during MRI acquisition corrupts DTI data, challenging accurate parameter estimation.
  • Optimizing DGES is crucial for robust DTI analysis, especially in challenging patient populations.

Purpose of the Study:

  • To introduce and evaluate a novel golden ratio-based DGES (GR DGES).
  • To assess the GR DGES's ability to generate uniform directions for precise DTI parameter estimation from partially acquired datasets.
  • To address data corruption issues caused by subject motion in DTI.

Main Methods:

  • Simulations and human studies were conducted using 3T/DTI data.
  • The GR DGES was compared against Jones and spiral DGESs using electric potential (EP) and condition number (CN) in simulations.
  • Fractional Anisotropy (FA) map error was evaluated in healthy volunteers using subsets of data acquired with different DGES.

Main Results:

  • GR DGES demonstrated significantly lower EP and CN in simulations compared to Jones and spiral DGESs.
  • In human studies, GR DGES showed comparable FA map error to Jones DGES and superior performance over spiral DGES.
  • The GR DGES ensured uniform direction distribution in both complete and subset datasets.

Conclusions:

  • The GR DGES provides uniform directionality, enhancing DTI parameter estimation accuracy.
  • GR DGES exhibits lower error propagation sensitivity, making it suitable for motion-sensitive DTI applications.
  • This novel DGES is beneficial for imaging populations prone to motion, such as infants and patients unable to remain still.