Duplex synthetic aperture imaging with tissue motion compensation

Kim Gammelmark, Jørgen Arendt Jensen

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    Abstract

    This paper investigates a method for tissue motion estimation and compensation in synthetic transmits aperture imaging. The approach finds the tissue velocity and the direction of the motion at very tissue region by cross-correlating high resolution lines beamformed along multiple directions at each image points. Compensation is applied in the beamformer by tracking the image points using the velocity and angle estimates from the closest estimation point. Simulation results using Field II show nearly perfect motion compensation with no appreciable difference in contrast resolution after compensation. Phantom measurements show similar performance with differences in contrast resolution of 29% and 0.61% before and after compensation, respectively.
    Original languageEnglish
    Title of host publication2003 IEEE International Ultrasonics Symposium Proceedings
    Volume2
    PublisherIEEE
    Publication date2003
    Pages1569-1573
    ISBN (Print)0-7803-7922-5
    DOIs
    Publication statusPublished - 2003
    Event2003 IEEE Ultrasonics Symposium - Honolulu, United States
    Duration: 5 Oct 20038 Oct 2003
    http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=9075

    Conference

    Conference2003 IEEE Ultrasonics Symposium
    Country/TerritoryUnited States
    CityHonolulu
    Period05/10/200308/10/2003
    Internet address
    SeriesI E E E International Ultrasonics Symposium. Proceedings
    ISSN1051-0117

    Bibliographical note

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