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IEEE Trans Ultrason Ferroelectr Freq Control. 2000;47(3):672-81. doi: 10.1109/58.842055.

Blood speed imaging with an intraluminal array.

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1
Dept. of Electr. Eng. and Comput. Sci., Michigan Univ., Ann Arbor, MI, USA.

Abstract

In applications in which Doppler processing is not possible, such as side-looking intravascular imaging systems, decorrelation methods can be used to estimate blood speed. Here, a method is presented measuring relative blood speed using an FIR filter bank to estimate temporal decorrelation rates. It can be implemented in a modern commercially available ultrasound imaging system with no additional hardware. Both simulations and experiments using an intraluminal scanner appropriate for coronary artery applications have tested the system. In this study, the FIR filter bank is contrasted with previous methods, and its utility is further demonstrated with real-time color flow images from a pig model.

PMID:
18238595
DOI:
10.1109/58.842055
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