In analyzer based imaging (ABI) scattering can be efficiently separated from refraction and absorption effects by acquiring three images of the sample. In the scattering image the lungs appear as areas of high intensity signal (area contrast), which is modulated by the local thickness of the scattering tissue intersecting the X-ray path. The scattering signal is also included in the so-called apparent absorption image, where it adds to the absorption contrast thanks to the extinction of rays which are deviated outside the analyzer crystal's acceptance window. The presence of scattering can be emphasized in the ratio between two images acquired with a strongly detuned and a perfectly tuned analyzer crystal, respectively: we name this ratio as the amplified scatter image. In this paper we present ABI scattering methods applied to postmortem mouse lung imaging to assess their diagnostic value. For this purpose images have been acquired at the SYRMEP be...

中文翻译：

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在基于分析仪的肺部成像中分离吸收，折射和散射的新方法

在基于分析仪的成像（ABI）中，通过获取样品的三幅图像，可以有效地将散射与折射和吸收效应区分开。在散射图像中，肺部表现为高强度信号区域（区域对比度），该信号由与X射线路径相交的散射组织的局部厚度调制。散射信号也包含在所谓的表观吸收图像中，由于散射的光线在分析仪晶体的接收窗口之外消失，因此增加了吸收对比度。散射的存在可以通过分别用强烈失谐和完美调谐的分析器晶体获取的两个图像之间的比率来强调：我们将此比率称为放大的散射图像。在本文中，我们介绍了应用于死后小鼠肺部成像的ABI散射方法，以评估其诊断价值。为此，已在SYRMEP处获取图像。