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How to precisely evaluate the characteristics of glioma tumor in vivo is a challenging question for surgical resection clinically. Due to the infiltration feature of the tumor, precise resection remains challenging because of the uncertainties of surrounding vasculature. The sensitivity of flow measurement is improved by ultrafast plane-wave imaging which is capable of delineating the flow information...
We have recently developed a novel contrast-based micro echo particle imaging technique (Micro-EPIV) for non-invasively measuring multi-component flow vectors and flow-induced shear stress in microscale tube flow or in vivo small blood flows. In this study, the measuring principle and system characterization are first introduced. Then, the Micro-EPIV technique is applied to examine flows in several...
We have recently developed a novel contrast-based ultrasonic particle imaging technique (Echo PIV) for multi-dimensional blood flow imaging. In the technique, the quality of vectors is important for quantitative blood flow imaging. Here we introduce an algorithm for vectors correction by filtering in frequency domain and applying continuity equation. The algorithm was tested in the Echo PIV imaging...
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