SIMULATION MODEL FOR ASSESSING QUALITY OF ULTRASOUND STRAIN ESTIMATION IN ABDOMINAL AORTIC ANEURYSM
SIMULATION MODEL FOR ASSESSING QUALITY OF ULTRASOUND STRAIN ESTIMATION IN ABDOMINAL AORTIC ANEURYSM
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DOI：
10.1016/j.ultrasmedbio.2012.01.007
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发表时间：
2012-05-01
影响因子：
2.9
通讯作者：
Hernes, Toril A. Nagelhus
中科院分区：
文献类型：
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作者：
Brekken, Reidar;Muller, Sebastien;Hernes, Toril A. Nagelhus
本研究的目的是建立一个评估腹主动脉瘤超声应变估计方法的模拟模型。从真实超声图像中获得壁面几何形状，并在非线性粘弹性壁面模型中应用真实血压模拟壁面运动。超声模拟包括散斑、吸收和依赖角度反射。加入高斯白噪声模拟各种噪声水平。尽管不能完全复制真实的超声图像，但该模型模拟了真实的强度周向变化和真实的斑点模式，并具有初步评估应变估计方法的潜力。（E-mail: reidar.brekken@sintef.no） (C) 2012世界超声医学与生物学联合会。
The purpose of this study was to develop a simulation model for evaluating methods for ultrasound strain estimation in abdominal aortic aneurysms. Wall geometry was obtained from a real ultrasound image and wall motion was simulated applying realistic blood pressures to a nonlinear viscoelastic wall model. The ultrasound simulation included speckle, absorption and angle dependent reflection. Gaussian white noise was added to simulate various noise levels. Despite not fully replicating real ultrasound images, the model simulated realistic circumferential variations in intensity and realistic speckle patterns and has potential for initial evaluation of strain estimation methods. (E-mail: reidar.brekken@sintef.no) (C) 2012 World Federation for Ultrasound in Medicine & Biology.