Abstract:The objective of this study was to accurately obtain the transient flow vector distribution (FVD) of microbubbles in arterial stenosis by modified optical flow method based on ultrasound contrast plane wave imaging (UCPI). First, a bolus injection experiment was performed in an arterial stenosis flow phantom using inverted plane waves at 400Hz frame rate controlled by Sonix-Touch. The contrast-to-tissue ratio (CTR) of UCPI images and detection sensitivity of microbubbles was then improved by pulse inversion bu… Show more
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