Demonstration of three-dimensional vector flow estimation using bandwidth and two transducers on a flow phantom.
A method of performing three-dimensional (3-D) velocity vector estimation with two transducers is demonstrated on a flow phantom using the Doppler spectra's mean frequencies and bandwidths. The results are compared with 3-D vector estimates computed from Doppler mean frequencies obtained with a five-transducer system. It is shown that the two-transducer vector Doppler system which uses bandwidth can improve on the accuracy of a three-transducer vector Doppler system which relies only on Doppler mean frequencies.
Computer Sciences Corporation (CSC), Horsham, PA 19044, USA.
A
A
McArdle
V L
VL
Newhouse
K W
KW
Beach
D001783:Blood Flow Velocity; D001808:Blood Vessels / Q000000981:diagnostic imaging / Q000502:physiology*; D006801:Humans; D008433:Mathematics; D008961:Models, Structural; D018608:Ultrasonography, Doppler / Q000379:methods*