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

Robust phase sensitive inversion recovery imaging using a Markov random field model.

Ravindra M Garach1, Jim X Ji, Lei Ying

  • 1Dept. of Electr. Eng., Texas A&M Univ., College Station, TX, USA.

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference
|February 3, 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 author

Development and validation of a predictive model for chronic or persistent immune thrombocytopenia in children incorporating anti-glycoprotein IIb antibody: a retrospective cohort study utilizing LASSO regression and bootstrap stability analysis.

Frontiers in pediatrics·2026
Same author

Unveiling the Microscopic Origin of Non-Radiative Voltage Loss in Organic Solar Cells through a Controlled Multi-Interface Architecture.

ACS nano·2026
Same author

Efficient and durable light-alkane oxidation over sintered Pt catalysts.

Nature communications·2026
Same author

Solution-Processed F4TCNQ-Doped Polymeric Hole Injection Layers Enabling Highly Efficient and Stable Inverted Organic Light-Emitting Diodes.

Macromolecular rapid communications·2026
Same author

Erratum: Imaging- and Tumor Biomarker-Based Multivariable Model for Early Prediction of Pathologic Complete Response to Neoadjuvant Systemic Therapy in Triple-Negative Breast Cancer.

JCO precision oncology·2026
Same author

Origin and Emergent Features of Many-Body Dynamical Localization.

Physical review letters·2026
Same journal

Highly Articulated Robotic Probe for Minimally Invasive Surgery.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference·2010
Same journal

Combined peripheral and cortical neural stimulation in motor neurorehabilitation.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference·2008
Same journal

Embedded assessment algorithms within home-based cognitive computer game exercises for elders.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference·2008
Same journal

Digital signal processing of the wideband external pulse recorded during cuff deflation: a new way to measure blood pressure.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference·2008
Same journal

Immune cells detection of the in vivo rejecting heart in USPIO-enhanced magnetic resonance imaging.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference·2008
Same journal

wHospital: a web-based application with digital signature for drugs dispensing management.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference·2007
See all related articles

This study introduces a new phase sensitive inversion recovery (PSIR) method using statistical modeling for better T1 contrast in MRI. The technique enhances image quality, even with significant noise and rapid phase variations.

Area of Science:

  • Medical Imaging
  • Biophysics
  • Computational Biology

Background:

  • Phase sensitive inversion recovery (PSIR) is crucial for Magnetic Resonance Imaging (MRI) but can be affected by image artifacts and noise.
  • Improving T1 contrast in PSIR is essential for accurate tissue characterization and diagnosis.
  • Existing methods face challenges with noise robustness and handling rapid phase variations.

Purpose of the Study:

  • To develop a novel, computationally efficient method for PSIR imaging.
  • To enhance T1 contrast in PSIR images.
  • To improve the robustness of PSIR against data noise and phase variations.

Main Methods:

  • A statistical model based on Markov random fields was employed to model the phase of complex MRI data.
  • A computationally efficient optimization algorithm was developed for image reconstruction.

Related Experiment Videos

  • The method was validated using computer simulations and in-vivo human brain imaging.

    • Main Results:

    • The proposed method successfully produced PSIR images with significantly enhanced T1 contrast.
    • The technique demonstrated robustness against high levels of data noise.
    • The method effectively handled rapid phase variations in the magnetic resonance images.

    Conclusions:

    • The novel PSIR method offers improved T1 contrast and noise robustness for MRI.
    • This approach has the potential to enhance diagnostic accuracy in various clinical applications.
    • The computationally efficient nature of the method facilitates its practical implementation.