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

Ultrasonic tissue characterization using a generalized Nakagami model.

P M Shankar

    IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
    |January 22, 2002
    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

    On-fiber electrooptic modulator/switch.

    Applied optics·2010
    Same author

    Use of two-dimensional phase-only filters and compounding for speckle reduction and edge detection in ultrasonic B-scan images.

    Applied optics·2009
    Same author

    Pressure sensor that uses bent biconically tapered single-mode fibers.

    Optics letters·2009
    Same author

    Spatial filtering in speckle.

    Optics letters·2009
    Same author

    Speckle reduction in ultrasonic images through a maximum likelihood based adaptive filter.

    Physics in medicine and biology·2006
    Same author

    Comments on 'The effect of logarithmic compression on the estimation of the Nakagami parameter for ultrasonic tissue characterization'.

    Physics in medicine and biology·2006
    Same journal

    Theoretical Foundations of the Echo Envelope Statistical Modeling: A Tutorial.

    IEEE transactions on ultrasonics, ferroelectrics, and frequency control·2025
    Same journal

    Practical Demonstrations of FR3-Band Thin-Film Lithium Niobate Acoustic Filter Design.

    IEEE transactions on ultrasonics, ferroelectrics, and frequency control·2025
    Same journal

    Real-Time Heterogeneous Helical Wave Spectrum Method for Transabdominal Passive Acoustic Mapping.

    IEEE transactions on ultrasonics, ferroelectrics, and frequency control·2025
    Same journal

    Cascaded Plane Wave Ultrasound Velocity Vector Imaging: In Vivo Feasibility in Carotid Arteries.

    IEEE transactions on ultrasonics, ferroelectrics, and frequency control·2025
    Same journal

    Quantitative Acoustic Attenuation Scanning Using a Phase-Insensitive Ultrasound Computed Tomography System.

    IEEE transactions on ultrasonics, ferroelectrics, and frequency control·2025
    Same journal

    FPGA-Accelerated CNN Reconstruction for Low-Power Sparse-Array Ultrasound Imaging.

    IEEE transactions on ultrasonics, ferroelectrics, and frequency control·2025
    See all related articles

    A new generalized Nakagami distribution improves ultrasonic echo analysis in tissues. This three-parameter model offers better fits and sensitivity to scattering conditions than existing two-parameter models.

    Area of Science:

    • Ultrasound physics and biomedical imaging.
    • Statistical modeling of biological tissues.

    Background:

    • Existing models like Rayleigh, K, and Nakagami distributions describe backscattered ultrasonic echo statistics.
    • Two-parameter distributions (Nakagami, K) offer reasonable envelope modeling but may not capture complex tail behaviors.

    Discussion:

    • A novel three-parameter generalized Nakagami distribution was derived by extending the Nakagami distribution.
    • This generalized model incorporates an additional parameter to better represent the tails of the echo envelope's density function.

    Key Insights:

    • Computer simulations and phantom data analysis confirm the generalized Nakagami distribution provides a superior fit to backscattered echo envelope statistics compared to the standard Nakagami distribution.
    • The parameters of the generalized Nakagami distribution exhibit heightened sensitivity to varying scattering conditions within tissues.

    Related Experiment Videos

    Outlook:

    • The enhanced statistical model holds potential for more accurate quantitative ultrasound imaging and characterization of tissue properties.
    • Further validation in diverse clinical and experimental settings is warranted to explore its full diagnostic capabilities.