Vector blood velocity estimation in medical ultrasound

Jørgen Arendt Jensen, Fredrik Gran, Jesper Udesen, Michael Bachmann Nielsen, Kristina Rue Nielsen

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

Two methods for making vector velocity estimation in medical ultrasound are presented. All of the techniques can find both the axial and transverse velocity in the image and can be used for displaying both the correct velocity magnitude and direction. The first method uses a transverse oscillation in the ultrasound field to find the transverse velocity. In-vivo examples from the carotid artery are shown, where complex turbulent flow is found in certain parts of the cardiac cycle. The second approach uses directional beam forming along the flow direction to estimate the velocity magnitude. Using a correlation search can also yield the direction, and the full velocity vector is thereby found. An examples from a flow rig is shown.
Original languageEnglish
Title of host publicationProceedings of the Fifth International Symposium on Ultrasonic Doppler Methods for Fluid Mechanics and Fluid Engineering
PublisherInternational Symposium on Ultrasonic Doppler Methods for Fluid Mechanics and Fluid Engineering
Publication date2006
Pages3-7
Publication statusPublished - 2006
EventFifth International Symposium on Ultrasonic Doppler Methods for Fluid Mechanics and Fluid Engineering -
Duration: 1 Jan 2006 → …

Conference

ConferenceFifth International Symposium on Ultrasonic Doppler Methods for Fluid Mechanics and Fluid Engineering
Period01/01/2006 → …

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