Numerical Study of Square Border Ultrasonic Transducer Element Arrays for Breast Imaging in Ultrasound Computed Tomography with Waveform Inversion Method

2019 ◽  
Vol 28 (5) ◽  
pp. 1000-1007 ◽  
Author(s):  
Ruijing LI ◽  
Houjin CHEN ◽  
Yahui PENG ◽  
Jupeng LI
2019 ◽  
Vol 28 (4) ◽  
pp. 805-816 ◽  
Author(s):  
Ruijing Li ◽  
Houjin Chen ◽  
Yahui Peng ◽  
Jupeng Li

2011 ◽  
Vol 38 (6Part30) ◽  
pp. 3776-3776
Author(s):  
M Andre ◽  
H Ojeda-Fournier ◽  
L Olson ◽  
J Wiskin ◽  
D Borup

2010 ◽  
Vol 31 (06) ◽  
pp. 604-609 ◽  
Author(s):  
M. Hollenhorst ◽  
C. Hansen ◽  
N. Hüttebräuker ◽  
A. Schasse ◽  
L. Heuser ◽  
...  

Micromachines ◽  
2021 ◽  
Vol 12 (8) ◽  
pp. 963
Author(s):  
Yu Pei ◽  
Guojun Zhang ◽  
Yu Zhang ◽  
Wendong Zhang

Ultrasound computed tomography (USCT) systems based on capacitive micromachined ultrasonic transducer (CMUT) arrays have a wide range of application prospects. For this paper, a high-precision image reconstruction method based on the propagation path of ultrasound in breast tissue are designed for the CMUT ring array; that is, time-reversal algorithms and FBP algorithms are respectively used to reconstruct sound speed distribution and acoustic attenuation distribution. The feasibility of this reconstruction method is verified by numerical simulation and breast model experiments. According to reconstruction results, sound speed distribution reconstruction deviation can be reduced by 53.15% through a time-reversal algorithm based on wave propagation theory. The attenuation coefficient distribution reconstruction deviation can be reduced by 61.53% through FBP based on ray propagation theory. The research results in this paper will provide key technological support for a new generation of ultrasound computed tomography systems.


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