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ESTIMATION AND DISPLAY FOR VECTOR DOPPLER IMAGING USING PLANE WAVE TRANSMISSIONS
ESTIMATION AND DISPLAY FOR VECTOR DOPPLER IMAGING USING PLANE WAVE TRANSMISSIONS
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机译:使用平面波传输的矢量多普勒成像估计和显示
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摘要
Vector Doppler Imaging (VDI) improves on conventional Color Doppler Imaging (CDI) by giving speed and direction of blood flow at each pixel of a display generated by a computing system. Multiple angles of Plane wave transmissions (PWT) via an ultrasound transducer conveniently give projected Doppler measurements over a wide field of view, providing enough angular diversity to identify velocity vectors in a short time window while capturing transitory flow dynamics. A fast, aliasing-resistant velocity vector estimator for PWT is presented, and VDI imaging of a carotid artery with a 5 MHz linear array is shown using a novel synthetic particle flow visualization method.
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