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Calibration of an Ultrasound Tomography System for Medical Imaging with 2D Contrast-Source Inversion.

机译:具有2D对比源反演的医学成像超声断层扫描系统的校准。

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摘要

This dissertation describes two possible methods for the calibration of an ultrasound tomography system developed at University of Manitoba's Electromagnetic Imaging Laboratory for imaging with the contrast-source inversion algorithm. The calibration techniques are adapted from existing procedures employed for microwave tomography. A theoretical model of these calibration principles is developed in order to provide a rationale for the effectiveness of the proposed procedures. The applicability of such an imaging algorithm and calibration methods in the context of ultrasound are discussed. Also presented are 2D and 3D finite-difference time-domain update equations for the simulation of acoustic wave propagation in inhomogeneous media. Details regarding the application of an absorbing boundary-condition, point-source modelling and the treatment of penetrable objects are included in this document.
机译:本文介绍了曼尼托巴大学电磁成像实验室开发的两种用于超声造影成像系统标定的可能方法,该系统可利用对比源反演算法进行成像。校准技术适用于微波层析成像所采用的现有程序。这些校准原理的理论模型被开发出来,以便为所提出的程序的有效性提供理论依据。讨论了这种成像算法和校准方法在超声环境中的适用性。还介绍了2D和3D有限差分时域更新方程,用于模拟声波在非均匀介质中的传播。有关吸收边界条件的应用,点源建模和可穿透对象的处理的详细信息包含在此文档中。

著录项

  • 作者

    Faucher, Gabriel Paul.;

  • 作者单位

    University of Manitoba (Canada).;

  • 授予单位 University of Manitoba (Canada).;
  • 学科 Engineering Biomedical.;Physics General.;Engineering Electronics and Electrical.;Health Sciences Radiology.
  • 学位 M.Sc.
  • 年度 2013
  • 页码 150 p.
  • 总页数 150
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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