层析成像模拟和重建工具在评价参数和技术中的应用

2001 Conference Proceedings of the 23rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society Pub Date : 2001-10-25 DOI:10.1109/IEMBS.2001.1017224

D.F.G. de Azevedo, S. Helegda, P.C. Godoy, F. D. de Castro, M. D. de Castro

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引用次数: 2

摘要

我们介绍了一个层析平台，该平台由一套用ANSI c++编写的新程序组成，以帮助研究人员开发和评估基于直接傅里叶方法的层析模拟/重建。我们将这些工具应用于层析成像技术的评估。我们描述并比较了两种技术来克服由于直接傅立叶方法固有的伪影而导致的图像质量低下:零填充因子和重采样网格密度因子的增加。

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Tomography simulation and reconstruction tools applied in the evaluation of parameters and techniques

We introduce a tomography platform consisting of a new set of programs written in ANSI C++ to help researchers to develop and to evaluate tomography simulation/reconstruction based on the direct Fourier method. We applied these tools in the evaluation of tomographic techniques. We describe and compare two techniques to overcome the inferior image quality due to the inherent artifacts of the direct Fourier method: the increase of the zero-padding factor and the resampling grid density factor.

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来源期刊

2001 Conference Proceedings of the 23rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society

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