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

Computed Tomography01:10

Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...

You might also read

Related Articles

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

Sort by
Same author

Semantic Composition via Optimal Transport for Composed Image Retrieval.

IEEE transactions on image processing : a publication of the IEEE Signal Processing Society·2026
Same author

A retrospective study of the relationship between low-density lipoprotein cholesterol and pregnancy outcomes after assisted reproductive technology treatments in women with diabetes mellitus and infertility.

AJOG global reports·2026
Same author

Morphological feature remodeling of intracranial arteries in the context of inflammation and HIV-associated cognitive impairment.

medRxiv : the preprint server for health sciences·2026
Same author

Comparison of DANTE Blood-Suppressed and Conventional SPACE for Post-contrast 3D T1-weighted Intracranial Vessel Wall MRI in Moyamoya Vasculopathy.

AJNR. American journal of neuroradiology·2026
Same author

SNAP MRI reveals association between distal cerebral arterial flow and cognitive function in an aging population.

Magnetic resonance imaging·2026
Same author

Risk factors for co-existing extracranial carotid and intracranial artery high-risk atherosclerotic plaques in middle-aged and elderly patients: a Chinese atherosclerosis risk evaluation (CARE-II) study.

Acta radiologica (Stockholm, Sweden : 1987)·2026

Related Experiment Video

Updated: May 20, 2026

A Magnetic Resonance Imaging-based Computational Protocol for Analysis of Plaque Morphology and Hemodynamics in Patients with Carotid Artery Stenosis
09:36

A Magnetic Resonance Imaging-based Computational Protocol for Analysis of Plaque Morphology and Hemodynamics in Patients with Carotid Artery Stenosis

Published on: August 12, 2025

Accelerated 3D MERGE carotid imaging using compressed sensing with a hidden Markov tree model.

Mahender K Makhijani1, Niranjan Balu, Kiyofumi Yamada

  • 1Ming Hsieh Department of Electrical Engineering, University of Southern California, Los Angeles, California 90089-2564, USA. makhijan@usc.edu

Journal of Magnetic Resonance Imaging : JMRI
|July 25, 2012
PubMed
Summary

Accelerated 3D carotid MRI using hidden Markov tree (HMT) model compressed sensing (CS) achieved a 4.5x acceleration rate. This method maintained diagnostic image quality and quantitative accuracy for carotid stenosis assessment.

More Related Videos

Three-Dimensional Imaging of Aortic Tissues in Atherosclerosis
09:55

Three-Dimensional Imaging of Aortic Tissues in Atherosclerosis

Published on: October 25, 2024

Related Experiment Videos

Last Updated: May 20, 2026

A Magnetic Resonance Imaging-based Computational Protocol for Analysis of Plaque Morphology and Hemodynamics in Patients with Carotid Artery Stenosis
09:36

A Magnetic Resonance Imaging-based Computational Protocol for Analysis of Plaque Morphology and Hemodynamics in Patients with Carotid Artery Stenosis

Published on: August 12, 2025

Three-Dimensional Imaging of Aortic Tissues in Atherosclerosis
09:55

Three-Dimensional Imaging of Aortic Tissues in Atherosclerosis

Published on: October 25, 2024

Area of Science:

  • Medical Imaging
  • Magnetic Resonance Imaging (MRI)
  • Signal Processing

Background:

  • 3D carotid MRI is crucial for assessing carotid stenosis.
  • Accelerating MRI acquisition is essential for clinical efficiency.
  • Compressed sensing (CS) offers a promising avenue for MRI acceleration.

Purpose of the Study:

  • To evaluate the potential of wavelet-based CS with a hidden Markov tree (HMT) model for accelerating 3D carotid MRI.
  • To assess if HMT model-based CS can maintain diagnostic image quality and quantitative accuracy at higher acceleration rates.

Main Methods:

  • Retrospective application of HMT model-based CS and conventional CS to 3D carotid MRI data (0.7 mm isotropic resolution) from six subjects.
  • Utilized a wavelet-tree model trained on carotid images to enhance CS reconstruction.
  • Compared quantitative endpoints (lumen area, wall area, thickness, plaque characteristics) and image quality using Bland-Altman analysis.

Main Results:

  • HMT model-based CS achieved a 4.5x acceleration rate with image quality comparable to conventional CS at 3x acceleration.
  • Morphological measurements from 4.5x accelerated HMT CS reconstructions showed good agreement with fully sampled reference images.
  • No significant bias or correlation was found when comparing quantitative measurements between 4.5x HMT CS and reference scans.

Conclusions:

  • HMT model-based CS demonstrates significant potential for accelerating clinical 3D carotid MRI acquisition.
  • An acceleration factor of 4.5 is achievable without compromising diagnostic image quality or critical quantitative endpoints.
  • This technique could enhance the clinical utility and throughput of carotid MRI.