| 超声弹性成像逆问题求解的进一步研究 |
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| 引用本文： | 罗建文,邵金华,白净.超声弹性成像逆问题求解的进一步研究[J].北京生物医学工程,2007,26(1):27-30. |
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| 作者姓名： | 罗建文 邵金华 白净 |
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| 作者单位： | 清华大学生物医学工程系,北京,100084;清华大学生物医学工程系,北京,100084;清华大学生物医学工程系,北京,100084 |
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| 摘 要： | 针对作者以前提出的基于有限元迭代的组织弹性模量重建即超声弹性成像逆问题求解的方法进行了进一步的研究.包括采用四边形单元代替三角形单元、尝试对组织边界的弹性模量不进行校正、考虑组织边界的弹性模量未知及含有随机噪声的情形.这些工作为组织弹性模量重建方法的实际应用奠定了基础.
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| 关 键 词： | 超声 弹性成像 逆问题 弹性 重建 |
| 文章编号： | 1002-3208（2007）01-0027-04 |
| 收稿时间： | 2005-05-13 |
| 修稿时间： | 2006-01-19 |
A further study on the solution of the inverse problem in ultrasound elastography |
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| LUO Jianwen,SHAO Jinhua,BAI Jing.A further study on the solution of the inverse problem in ultrasound elastography[J].Beijing Biomedical Engineering,2007,26(1):27-30. |
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| Authors: | LUO Jianwen SHAO Jinhua BAI Jing |
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| Institution: | Department of Biomedical Engineering Tsinghua University, Beijing 100084 |
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| Abstract: | A further study was performed on the finite-element iteration-based method of tissue elastic modulus reconstruction, i.e., the solution of the inverse problem of ultrasound elastography. The quadrilateral element is used instead of the triangular element used in the former study. The method with and without calibration of the elastic modulus of tissue boundary was compared . The condition with unknown elastic modulus of tissue boundary and that with random noises were considered in the paper. These studies laid the foundation for the practical applications of the tissue elasticity reconstruction method. |
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| Keywords: | ultrasound elastography inverse problem elasticity reconstruction |
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