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Ultrasound Tissue Characterization: Comparison of Statistical Results using Fundamental and Harmonic Signals

机译:超声组织表征:使用基本和谐波信号的统计结果比较

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摘要

Quantitative ultrasound (QUS) imaging has been studied for decades to characterize biological tissue. The QUS estimates can be obtained from the envelope statistics. Previous studies are mainly based on the whole backscattered signals analysis. The present study compares the statistics of filtered fundamental and harmonic signal envelopes. Results show that the statistical estimation using second-harmonic envelops can provide tissue characterization capabilities, similarly to the one obtained with the fundamental. In addition, the parameters are also related to the non-linear property of the investigated medium.
机译:已经研究了数十年来描述生物组织的定量超声(QUS)成像。 QUS估计可以从包络统计获取。以前的研究主要基于整个反向散射信号分析。本研究比较了过滤基本和谐波信号信封的统计数据。结果表明,使用二次谐波包络的统计估计可以提供组织表征能力,类似于用基本的基础获得的组织表征能力。此外,参数还与所研究介质的非线性特性有关。

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