硬x射线在线相衬成像的相位检索

Microcomputer Information Pub Date : 2007-01-01 DOI:10.7498/aps.54.2034

J. An

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引用次数: 2

摘要

本文利用菲涅耳x射线衍射分析了硬x射线在线相衬成像。然后提出了一种基于强度传递方程(TIE)的线性相位反演方法。通过对相位对比成像和相位恢复过程的计算机仿真，对仿真图像进行了测试，证明了该方法在“近菲涅耳”区域的相位恢复是有效的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Phase retrieval for hard x-ray in-line phase contrast imaging

In this paper, we analyze hard x-ray in-line phase contrast imaging using Fresnel diffraction of x-ray. Then we propose a linear phase retrieval method based on Transport of Intensity equation (TIE). According to computer simulation for the process of phase contrast imaging and Phase retrieval, this method is tested on simulated images and is demonstrated to be efficient for phase retrieval in the "near-Fresnel"region.

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Microcomputer Information

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29512