基于仿真和实际超声影像的心室应变估计的噪声抑制

基于仿真和实际超声影像的心室应变估计的噪声抑制
张耀楠1，李赛1，李显1，杨军2
（1. 东北大学中荷生物医学与信息工程学院；2. 中国医科大学附属第一医院心血管超声科）
摘要：心脏再同步化治疗（CRT）是一个针对心脏衰竭疾病革命性的治疗，医学超声是选择CRT患者一项很有价值的成像技术，但因为它的测量结果重复性问题，它仍然没有被临床所接受。为此找到一个合适的验证方法很有必要。通过计算模拟超声成像然后进行验证是一种可行的方法。本文报道了我们模拟心脏超声成像的最初结果。基于模拟数据和实际超声图像中，我们发现噪声抑制对斑点跟踪技术和心室应变估计有重要影响。本文研究不同噪声抑制方法以及初步结果。
关键词：图像分析；运动估计；超声；心脏；仿真

Noise reduction in ventricle strain estimation based on simulated and real heart Ultrasound images
ZHANG Yaonan1, LI Sai1, LI Xian1, YANG Jun2
(1. Sino-Dutch Biomedical and Information Engineering School, Northeastern University; 2. Department of Cardiovascular Ultrasound, The First Hospital of Chinese Medical University)
Brief author introduction:Research area: medical image analysis.

Abstract: Cardiac resynchronization therapy (CRT) is a revolutionary treatment for heart failure diseases. Ultrasound echocardiography remains a valuable imaging technique for CRT patient selection, but it is still not accepted by the clinical society because of its inconsistent measurement results. A computational simulation could be a viable approach for validation. This paper reports our initial results of Ultrasound imaging simulation on heart. Based the simulated data and real Ultrasound images, we investigated the methods to improve the speckle tracking and strain estimation in Ultrasound echocardiography. The results turned out that a proper noise filtering and background removal could significantly improve the outputs of speckle tracking and strain estimation
Key words: Image analysis;motion estimation;Ultrasound; heart;simulation