Difference-Frequency-Based Ultrasonic Contrast Imaging of Material Elasticities

Authors
Kim, Dong HunYoung Seok KwonKang, Dong-HyunShim, ShinyongPark, Jun HongLee, Byung Chul
Issue Date
2022-10-12
Publisher
IEEE
Citation
IEEE International Ultrasonics Symposium (IUS)
Abstract
The nonlinear interaction of two waves causes a signal at their difference frequency. Difference-frequency ultrasound (dfUS) is highly dependent on material stiffness, making it a superior alternative to conventional linear ultrasound when it comes to elastographic contrast imaging. We have constructed a 64-element ring array for dfUS imaging based on a 32x32 2D matrix array and conducted experiments on phantoms with various material stiffnesses. The results were quantitatively analyzed and successfully used to implement an elastographic contrast image.
ISSN
1948-5719
URI
https://pubs.kist.re.kr/handle/201004/76596
DOI
10.1109/IUS54386.2022.9957442
Appears in Collections:
KIST Conference Paper > 2022
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