太赫兹生物目标层析成像重建及逆散射问题

2018 International Japan-Africa Conference on Electronics, Communications and Computations (JAC-ECC) Pub Date : 2018-12-01 DOI:10.1109/JEC-ECC.2018.8679572

A. I. M. Hassanin, Amr Saadeldien Elsaved Shaaban, F. El-Samie

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引用次数: 1

摘要

逆散射研究的是生物物体的图像重建问题以及确定电磁散射场与各方向体积电流分布之间的关系。介绍了在数字计算机上生成太赫兹层析成像重建图像的基本技术。介绍了计算机模拟在断层扫描中的一些应用，包括一些被证明优于太赫兹诊断技术的新算法。研究了利用计算得到的散射电场重建圆柱形物体的层析图像。最后，讨论了采样和量化对层析成像保真度的影响。

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Tomographic Image Reconstruction and Inverse Scattering Problem of Biological Objects in Terahertz Range

The inverse scattering investigates the problem of image reconstruction of biological objects and determination of the relation between the electromagnetic scattered field and the volume current distribution in all directions. The basic technique to generate a reconstructed tomographic image in Terahertz range on a digital computer is described. Some applications of computer simulations for tomography including new algorithms, which proved to be superior for Terahertz diagnostic technique, are introduced. Tomographic image reconstruction of cylindrical objects from calculated scattered electric field is studied. Finally, the effect of sampling and quantization on tomographic image fidelity is reviewed.

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2018 International Japan-Africa Conference on Electronics, Communications and Computations (JAC-ECC)

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