Tracking quality in plane-wave versus conventional cardiac ultrasound: a preliminary evaluation in-silico based on a state-of-the-art simulation pipeline

被引:1
作者
Alessandrini, Martino [1 ]
Heyde, Brecht [1 ]
Tong, Ling [1 ,2 ]
Bernard, Olivier [3 ]
D'hooge, Jan [1 ]
机构
[1] KULeuven, Dept Cardiovasc Imaging & Dynam, Leuven, Belgium
[2] Tsinghua Univ, Dept Biomed Engn, Ctr Biomed Imaging Res, Beijing, Peoples R China
[3] Univ Lyon 1, CNRS, UMR 5220, INSERM,U1044,INSA Lyon, F-69365 Lyon, France
来源
2015 IEEE INTERNATIONAL ULTRASONICS SYMPOSIUM (IUS) | 2015年
关键词
FEASIBILITY; MOTION;
D O I
10.1109/ULTSYM.2015.0390
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Fast cardiac ultrasound (US) imaging based on plane wave (PW) transmits is fostering significant research efforts. Coupled with a technique for deformation imaging, the new modality potentially allows for a more thorough assessment of cardiac function due to its higher temporal resolution. However, although the higher frame rate eases the tracking problem by enforcing speckle coherency, the loss in spatial resolution makes it harder. Moreover, at higher frame rate, a bias in the motion estimator will accumulate faster. It thus remains unclear whether myocardial tracking on PW recordings outperforms tracking on conventional images or vice versa. The aim of this study was therefore to directly contrast the intrinsic tracking quality of both acquisition schemes using a testing environment recently proposed by our lab.
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