Non-Scatter Contributions to the Dark-Field Signal in Differential Phase Contrast Imaging

被引：2

作者：

Koehler, Thomas ^{[1
]}

Martens, Gerhard ^{[1
]}

van Stevendaal, Udo ^{[1
]}

Roessl, Ewald ^{[1
]}

机构：

[1] Philips Technol GmbH, Innovat Technol, Res Labs, Hamburg, Germany

来源：

INTERNATIONAL WORKSHOP ON X-RAY AND NEUTRON PHASE IMAGING WITH GRATINGS | 2012年 / 1466卷

关键词：

x-ray imaging; scatter imaging; Talbot interferometer;

D O I：

10.1063/1.4742293

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this work, we investigate sources to the dark-field signal in a grating-based differential phase contrast image setup other than scattering. Specifically, the effect of aliasing, detector crosstalk, non-constant phase gradients, and the partial volume effect are evaluated. All these effects are able to create a dark-field signal.

引用

页码：205 / 210

页数：6

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