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

Correction of diffraction errors in attenuation estimation with Dynamic Beam Translation.

I Céspedes1, J Ophir

  • 1Department of Radiology, University of Texas Medical School, Houston 77030.

Ultrasound in Medicine & Biology
|January 1, 1992
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

Elastography of beef muscle.

Meat science·2011
Same author

The use of elastography to measure quality characteristics of pork semimembranosus muscle.

Meat science·2011
Same author

The anti-inflammatory target A(3) adenosine receptor is over-expressed in rheumatoid arthritis, psoriasis and Crohn's disease.

Cellular immunology·2009
Same author

A deconvolution filter for improvement of time-delay estimation in elastography.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control·2008
Same author

Multiresolution imaging in elastography.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control·2008
Same author

An adaptive strain estimator for elastography.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control·2008
Same journal

Cardiac Natural Mechanical Wave Detection and Speed Estimation Using Deep Learning-Based 2-D Ultrasound Imaging: A Feasibility Study.

Ultrasound in medicine & biology·2026
Same journal

Region-Specific Evaluation of Plaque Segmentation in Cross-sectional Projections of Carotid Ultrasound Images Using Deep Learning Models in a Sub-clinical Atherosclerosis Cohort.

Ultrasound in medicine & biology·2026
Same journal

Simulating the Dedifferentiation Process of Thyroid Cancer: Insights from Mouse Models and Ultrasound Imaging.

Ultrasound in medicine & biology·2026
Same journal

A Nomogram Based on Ultrasound Features for Predicting Major Intra-Operative Hemorrhage in Patients With Placenta Accreta Spectrum (PAS).

Ultrasound in medicine & biology·2026
Same journal

MedLP-HAFB-CLIP: Hierarchical Adaptive Large Model With Learnable Medical Prompts for Level II Ultrasound Standard Plane Identification.

Ultrasound in medicine & biology·2026
Same journal

Data Assimilating B-splines for Model-based Regularization in Ultrasound Vector Flow Imaging.

Ultrasound in medicine & biology·2026
See all related articles

Dynamic Beam Translation (DBT) computer simulations accurately estimate attenuation coefficients in scattering media. This method effectively reduces diffraction errors and resists aberration effects for improved accuracy.

Area of Science:

  • Medical imaging physics
  • Acoustic wave propagation
  • Biomedical optics

Background:

  • Estimating attenuation coefficients is crucial for accurate imaging in scattering media.
  • Diffraction errors and phase aberrations degrade image quality and reduce accuracy.
  • Existing methods struggle to mitigate these artifacts effectively.

Purpose of the Study:

  • To evaluate the efficacy of Dynamic Beam Translation (DBT) for estimating attenuation coefficients in scattering media.
  • To assess DBT's performance with varying transducer focal powers and in the presence of phase aberrations.
  • To demonstrate DBT's capability in reducing diffraction errors and aberration effects.

Main Methods:

  • Computer simulations were employed to model wave propagation in scattering media.

Related Experiment Videos

  • The Dynamic Beam Translation (DBT) method was implemented, involving refocusing a variable aperture transducer.
  • Simulations incorporated varying transducer focal powers and simulated phase aberrations from a body wall model.

    • Main Results:

    • DBT demonstrated significant reduction in diffraction errors across different depths.
    • The method showed robustness against phase aberrations introduced by the simulated body wall.
    • Accuracy in attenuation coefficient estimation was maintained despite challenging acoustic conditions.

    Conclusions:

    • Dynamic Beam Translation (DBT) is a robust method for accurate attenuation coefficient estimation in scattering media.
    • DBT effectively overcomes limitations imposed by diffraction and phase aberrations.
    • This technique holds promise for enhancing quantitative ultrasound imaging and other wave-based diagnostic methods.