基于多线接收的延时乘累加超声波束形成算法

doi:10.12068/j.issn.1005-3026.2019.06.003

东北大学学报:自然科学版 ›› 2019, Vol. 40 ›› Issue (6): 771-776.DOI: 10.12068/j.issn.1005-3026.2019.06.003

基于多线接收的延时乘累加超声波束形成算法

苏婷^1,2，王莹莹¹，张石¹

(1. 东北大学计算机科学与工程学院，辽宁沈阳110169; 2. 安阳工学院数理学院，河南安阳455000)

收稿日期:2018-05-28 修回日期:2018-05-28 出版日期:2019-06-15 发布日期:2019-06-14
通讯作者: 苏婷
作者简介:苏婷(1980-)，女，河南许昌人，东北大学博士研究生；张石(1963-)，男，辽宁抚顺人，东北大学教授，博士生导师.
基金资助:
国家自然科学基金青年基金资助项目(61602101).

Delay Multiply and Sum Beamforming Algorithm for Ultrasound Based on Multi-line Acquisition

SU Ting^1,2， WANG Ying-ying¹， ZHANG Shi¹

1. School of Computer Science & Engineering， Northeastern University， Shenyang 110169， China; 2. College of Math and Physics， Anyang Institute of Technology， Anyang 455000， China.

Received:2018-05-28 Revised:2018-05-28 Online:2019-06-15 Published:2019-06-14
Contact: ZHANG Shi
About author:-
Supported by:
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摘要/Abstract

摘要： 基于超声成像对于高帧频的需求特性，提出了一种基于多线接收的延时乘累加(multi-line acquisition delay multiply and sum， MLADMAS)超声波束形成算法.该算法首先借助于多线接收技术，由一条传输线得到多条合成传输线，再利用复杂度更低的延时乘累加算法，并行进行波束形成操作，以得到多条接收线输出结果.仿真实验结果表明，与传统的延时叠加算法相比，MLADMAS算法能在将帧频提高两倍的同时，得到质量更好的图像，其评价指标FWHM，PSL和CR分别提高了28.49%，26.29%，26.06%.当使用幅度变迹时，MLADMAS算法的性能进一步改善.

关键词: 相控阵, 超声成像, 多线接收, 延时乘累加, 高帧频

Abstract: Based on the high frame rate demand of ultrasound imaging， a beamforming algorithm based on multi-line acquisition delay multiply and sum(MLADMAS) was proposed. This algorithm was based on a method named multi-line acquisition; there are more than one receiving lines from a single transmission line， then the lower complexity DMAS beamforming was used in parallel to obtain several receiving lines simultaneously. The simulated results showed that the frame rate of MLADMAS was 2 times higher than that of DAS with a better image quality. The quantitative indexes FWHM， PSL and CR were improved by 28.49%， 26.29% and 26.06%， respectively. The image quality could be further improved when apodization was applied.

Key words: phased array, ultrasound imaging, multi-line acquisition, delay multiply and sum, high frame rate

中图分类号:

O426.9

苏婷，王莹莹，张石. 基于多线接收的延时乘累加超声波束形成算法[J]. 东北大学学报:自然科学版, 2019, 40(6): 771-776.

SU Ting， WANG Ying-ying， ZHANG Shi. Delay Multiply and Sum Beamforming Algorithm for Ultrasound Based on Multi-line Acquisition[J]. Journal of Northeastern University Natural Science, 2019, 40(6): 771-776.

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基于多线接收的延时乘累加超声波束形成算法

Delay Multiply and Sum Beamforming Algorithm for Ultrasound Based on Multi-line Acquisition

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