The Separate Recovery of Spatial Fluctuations in Compressibility and Mass Density in Plane Wave Pulse-Echo Ultrasound Imaging

被引：0
|
作者：
Schiffner, Martin F. [1 ]
Schmitz, Georg [1 ]
机构：
[1] Ruhr Univ Bochum, Chair Med Engn, D-44801 Bochum, Germany
来源：
2013 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS) | 2013年
关键词：
D O I：
10.1109/ULTSYM.2013.0149
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
We investigated the separate recovery of spatial fluctuations in compressibility and mass density by plane wave pulse-echo ultrasound imaging based on sparse recovery (SR). Using simulated radio frequency (RF) data obtained from a sparse and a nonsparse object, we demonstrated that the recovery of space-resolved maps of both material parameters with small relative root mean-squared errors (RMSEs) was feasible. For a signal-to-noise ratio of 40 dB, the relative RMSEs were smaller than 4%. For noiseless RF data, recovery was flawless. Using real RF data acquired from a human common carotid artery (in vivo), the presented concept yielded two space-resolved maps emphasizing different features of the object.
引用
收藏
页码：573 / 576
页数：4
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