Ultrasonic imaging by local shape function method with CGFFT

Jiun-Hwa Lin; Weng Cho Chew

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Ultrasonic imaging by local shape function method with CGFFT

机译：CGFFT局部形状函数法进行超声成像

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摘要

A numerical algorithm for the reconstruction of the density and the compressibility of a biological body from ultrasonic scattering data is presented. The reconstruction algorithm is based on the local shape function method (LSF) combined with the conjugate gradient method with fast Fourier transform (CGFFT). The nonlinearity due to the multiple scattering has been accounted for in an iterative minimization scheme. Numerical examples of simulation data and real experimental data are given showing the capability of this algorithm.

机译：提出了一种从超声散射数据重建生物体密度和可压缩性的数值算法。重建算法基于局部形状函数方法（LSF）结合快速傅立叶变换（CGFFT）的共轭梯度方法。由于多次散射而导致的非线性已经在迭代最小化方案中得到解决。给出了仿真数据和实际实验数据的数值示例，说明了该算法的功能。

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《IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control》 |1996年第5期|P.956-969|共14页
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Jiun-Hwa Lin; Weng Cho Chew;
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专利

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Ultrasonic imaging by local shape function method with CGFFT

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