Contrast-resolution Evaluation of Fourier Based High Frame Rate Imaging

被引：1

作者：

Wang, Zhaohui ^{[1
]}

机构：

[1] North Carolina A&T State Univ, Dept Comp Syst Technol, Greensboro, NC 27411 USA

来源：

2020 IEEE INTERNATIONAL CONFERENCE ON BIG DATA (BIG DATA) | 2020年

关键词：

Limited-diffraction beams; Fourier method; High frame rate imaging; Medical imaging; X-WAVES;

D O I：

10.1109/BigData50022.2020.9377913

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

Controlled experiments were designed to evaluate the high frame rate (HFR) imaging method and compare it with the conventional D&S method on sidelobe, spatial resolution, contrast resolution, and detectability. A point object or modified ATS512 contrast-detail tissue-mimicking phantom was placed in a water tank, and a modified Acuson V2 array transducer was used. RF echoes were obtained with a homemade HFR imaging system. Data were constructed with both the Fourier-based method (with 1, 11, 19, and 91 transmissions) and the D&S method of 91 transmissions. The Fourier-based method provides a continuous compromise between image frame rate and image quality. At the same frame rate (91 transmissions), the Fourier-based method has a higher resolution and lower sidelobe than the D&S method, even at its transmission focal distance.

引用

页码：4264 / 4269

页数：6

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