The Viability of 3-D Power Doppler Imaging Using Continuous Mechanical Translation: Simulation and Theoretical Analysis

Chuan Chen; Hendrik H. G. Hansen; Gijs A. G. M. HendriksChris L. de Korte

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The Viability of 3-D Power Doppler Imaging Using Continuous Mechanical Translation: Simulation and Theoretical Analysis

机译：The Viability of 3-D Power Doppler Imaging Using Continuous Mechanical Translation: Simulation and Theoretical Analysis

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摘要

Although conventional Doppler ultrasound is widely used for quantifying blood flow, it is restricted by its low sensitivity to detect slow flow. The incorporation of ultrafast ultrasound and spatial-temporal clutter filters can not only extensively boost the Doppler sensitivity to low-velocity slow flow but also facilitate the development of advanced 3-D Doppler techniques. In this work, we propose a novel 3-D Doppler method which extends 2-D imaging to 3-D through the continuous mechanical translation of a linear transducer. The viability of this method is assessed by simulations with the aids of a theoretical model. The combination of simulations and the theoretical model provides unique insights into the inherent mechanisms involved in the performance of this 3-D Doppler method and the roles of factors, such as tissue vibration characteristics, blood flow velocity, elevational point-spread-function profile, probe translating speed, and signal energy ratios.

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《IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control》 |2021年第11期|3270-3282|共13页
作者
Chuan Chen; Hendrik H. G. Hansen; Gijs A. G. M. HendriksChris L. de Korte;
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Department of Radiology and Nuclear Medicine, Medical UltraSound Imaging Center (MUSIC), Radboud University Medical Center, Nijmegen, The Netherlands;

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正文语种英语
中图分类无线电设备、电信设备;
关键词
Doppler effect; Three-dimensional displays; Ultrasonic imaging; Imaging; Transducers; Solid modeling; Signal resolution; 3-D power Doppler; simulations; singular value decomposition (SVD); ultrafast ultrasound;

The Viability of 3-D Power Doppler Imaging Using Continuous Mechanical Translation: Simulation and Theoretical Analysis

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