论文标题
使用带有编码光圈的时件检测器的弹性示例可视化弹性成像
Visualization of radiotracers for SPECT imaging using a Timepix detector with a coded aperture
论文作者
论文摘要
这项工作表明了基于编码的孔掩模和带有CDTE传感器的混合像素时代探测器的系统可视化系统中使用的放射性示踪剂的能力。使用X射线和放射性来源对系统的表征证实，可以实现少于1 mm的空间分辨率，其视野可以实现3 cm x 3 cm。提出了一项模拟研究的结果，以确定系统在焦平面中的预期空间分辨率的各种放射性核素的结果。证明了将该系统与薄（1.5毫米）编码的光圈掩模一起使用该系统以重建伽马发射器的图像，并显示出高达180 keV的能量。
The work shows the ability to visualize radiotracers used in SPECT with a system based on a coded aperture mask and a hybrid pixel Timepix detector with the CdTe sensor. Characterization of the system using X-rays and radioactive sources confirms that the spatial resolution of less than 1 mm with a field of view 3 cm x 3 cm can be achieved. The results of a simulation study to determine the expected spatial resolution of the system in the focal plane for the various radionuclides is presented. The possibility of using this system with a thin (1.5 mm) coded aperture mask for reconstructing images of gamma emitters with the energy up to 180 keV is demonstrated.
