Peak position estimation algorithms for cross-correlation function in elastography

被引：0
|
作者：
Ding, CX [1 ]
Bai, J [1 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
来源：
PROCEEDINGS OF THE 20TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY, VOL 20, PTS 1-6: BIOMEDICAL ENGINEERING TOWARDS THE YEAR 2000 AND BEYOND | 1998年 / 20卷
关键词：
ultrasound; elastography; multi-resolution; time-shift; sine function interpolation;
D O I：
暂无
中图分类号：
R5 [内科学];
学科分类号：
1002 ; 100201 ;
摘要：
In ultrasound Elastography, the resolution and accuracy of strain estimation are bounded by the sampling period when the echo signal is digitized. In this paper, we describe three new algorithms which based on multiresolution, time-shift property of Fourier Transform and sine function interpolation, respectively, for improving the precision of peak position estimation of cross-correlation function between echo signals obtained pre- and post- target tissue compression. Experimental results demonstrate that these methods bring about good effects.
引用
收藏
页码：866 / 868
页数：3
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