Characterization of speckle in lung images acquired with a benchtop in-line x-ray phase-contrast system.

Characterization of speckle in lung images acquired with a benchtop in-line x-ray phase-contrast system.
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DOI:
10.1088/0031-9155/58/12/4237
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发表时间:
2013-06-21
影响因子:
3.5
通讯作者:
Anastasio MA
Anastasio MA
中科院分区:
工程技术2区
文献类型:
--
作者:
Garson AB 3rd;Izaguirre EW;Price SG;Anastasio MA

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我们使用台式成像仪研究了小鼠肺部基于传播的 X 射线相衬 (XPC) 成像中散斑的表现。这项工作的主要贡献是证明可以通过使用采用多色管源的台式成像系统来观察肺部散斑,并对散斑图案的纹理如何依赖于成像系统的参数进行系统的实验研究。我们的分析包括基于像素强度值的统计特性的图像纹理表征。
We investigate the manifestation of speckle in propagation-based X-ray phase-contrast (XPC) imaging of mouse lungs in situ by use of a benchtop imager. The key contributions of the work are the demonstration that lung speckle can be observed by use of a benchtop imaging system employing a polychromatic tube-source and a systematic experimental investigation of how the texture of the speckle pattern depends on the parameters of the imaging system. Our analyses consists of image texture characterization based on the statistical properties of pixel intensity values.
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