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Simulation studies of ultrasonic backscattering and B-mode images of liver using acoustic microscopy data

机译:超声显微镜对肝脏超声反向散射和B型图像的模拟研究

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摘要

Data obtained from a scanning laser acoustic microscope (SLAM) were used to examine several aspects of ultrasonic backscattering from the liver. Phase interferograms from normal and abnormal human-liver specimens were digitized, and a series of algorithms was used to compute images of propagation velocity within the specimens. The propagation velocity images were then employed to simulate A- and B-mode results. These initial simulations were used to investigate how ultrasonic echo signals are related to tissue microstructure. Among the topics examined were B-mode speckling, frequency and beamwidth effects, and angulation dependencies.
机译:从扫描激光声学显微镜(SLAM)获得的数据用于检查超声从肝脏向后散射的几个方面。将正常和异常人肝脏标本的相位干涉图数字化,并使用一系列算法来计算标本内的传播速度图像。然后,将传播速度图像用于模拟A模式和B模式的结果。这些初始模拟用于研究超声回波信号与组织微结构的关系。研究的主题包括B模式斑点,频率和波束宽度效应以及角度依赖性。

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