电子学报 ›› 2018, Vol. 46 ›› Issue (1): 31-38.DOI: 10.3969/j.issn.0372-2112.2018.01.005
郑驰超1, 彭虎1, 赵巍1,2
收稿日期:
2016-05-04
修回日期:
2016-10-27
出版日期:
2018-01-25
通讯作者:
作者简介:
基金资助:
ZHENG Chi-chao1, PENG Hu1, ZHAO Wei1,2
Received:
2016-05-04
Revised:
2016-10-27
Online:
2018-01-25
Published:
2018-01-25
Supported by:
摘要: 平面波超声成像算法运用广泛,具有较高的成像帧率,但成像质量较差.相干平面波复合成像(CPWC)算法采用对多个方向平面波成像输出直接叠加的方式进行成像,有效的提高了成像质量,但忽略了平面波之间的相干性.本文提出符号相干系数加权的平面波复合成像算法(SCF-CPWC).该算法将不同角度的平面波对同一个成像点的成像结果做为向量,计算出该向量的符号相干系数(SCF),对该成像点的相干平面波复合成像的输出结果进行加权成像,得到SCF-CPWC算法的最终结果.仿真和实验结果表明SCF-CPWC算法具有更好成像质量.相对于传统的CPWC成像算法,可以明显改善成像的横向分辨率和暗斑对比度.
中图分类号:
郑驰超, 彭虎, 赵巍. 符号相干系数加权的超声平面波复合成像算法[J]. 电子学报, 2018, 46(1): 31-38.
ZHENG Chi-chao, PENG Hu, ZHAO Wei . Ultrasound Imaging Based on Coherent Plane Wave Compounding Weighted by Sign Coherence Factor[J]. Acta Electronica Sinica, 2018, 46(1): 31-38.
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